{"id":12857,"date":"2026-05-19T08:02:57","date_gmt":"2026-05-19T08:02:57","guid":{"rendered":"https:\/\/www.weloop.org\/?p=12857"},"modified":"2026-06-17T14:59:26","modified_gmt":"2026-06-17T14:59:26","slug":"bio-based-yes-more-sustainable-it-depends-the-lca-of-pla-put-to-the-test","status":"publish","type":"post","link":"https:\/\/www.weloop.org\/en\/biosource-oui-plus-durable-ca-depend-lacv-du-pla-passee-au-crible\/","title":{"rendered":"Bio-based, yes\u2026 more sustainable? That depends: a closer look at the LCA of PLA."},"content":{"rendered":"<style>.kb-row-layout-id12857_487061-8c > .kt-row-column-wrap{align-content:center;}:where(.kb-row-layout-id12857_487061-8c > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}.kb-row-layout-id12857_487061-8c > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1100px;margin-left:auto;margin-right:auto;padding-top:var(--global-kb-spacing-lg, 3rem);padding-bottom:var(--global-kb-spacing-md, 2rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id12857_487061-8c > .kt-row-layout-overlay{opacity:1;background-color:var(--nv-dark-bg);}@media all and (max-width: 1024px){.kb-row-layout-id12857_487061-8c > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id12857_487061-8c > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id12857_487061-8c alignfull kt-row-has-bg wp-block-kadence-rowlayout\"><div class=\"kt-row-layout-overlay kt-row-overlay-normal\"><\/div><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-middle\">\n<style>.kadence-column12857_a4f756-f3 > .kt-inside-inner-col,.kadence-column12857_a4f756-f3 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column12857_a4f756-f3 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column12857_a4f756-f3 > .kt-inside-inner-col{flex-direction:column;}.kadence-column12857_a4f756-f3 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column12857_a4f756-f3 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column12857_a4f756-f3{position:relative;}@media all and (max-width: 1024px){.kadence-column12857_a4f756-f3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column12857_a4f756-f3 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column12857_a4f756-f3\"><div class=\"kt-inside-inner-col\">\n<h1 class=\"wp-block-heading has-text-align-center has-nv-text-dark-bg-color has-text-color has-link-color wp-elements-3539466b85a42148785037e561de9435\" id=\"h-biosource-oui-plus-durable-ca-depend-l-acv-du-pla-passee-au-crible\" style=\"border-style:none;border-width:0px;padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--50)\"><strong>Biosourc\u00e9, oui&#8230; plus durable, \u00e7a d\u00e9pend : l&rsquo;ACV du PLA pass\u00e9e au crible <\/strong><\/h1>\n\n\n\n<p class=\"has-text-align-center has-nv-site-bg-color has-text-color has-link-color wp-elements-45d6511f90fa872eb2df2b43842c921f wp-block-paragraph\"><em><strong>Perrine S\u00e9bastien <\/strong><\/em><\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Face \u00e0 l\u2019urgence climatique et \u00e0 la criticit\u00e9 des plastiques p\u00e9trosourc\u00e9s, les plastiques biosourc\u00e9s \u00e9mergent aujourd\u2019hui comme une alternative prometteuse. Parmi eux, le <strong>PLA (acide polylactique)<\/strong>, biod\u00e9gradable, occupe une place centrale sur le march\u00e9 avec une production annuelle de 700kT en 2022 (selon <a href=\"https:\/\/data-explorer.oecd.org\/vis?fs%5b0%5d=Topic%2C1%7CAgriculture%20and%20fisheries%23AGR%23%7CAgricultural%20trade%20and%20markets%23AGR_TRD%23&amp;pg=0&amp;fc=Topic&amp;bp=true&amp;snb=5&amp;vw=tb&amp;df%5bds%5d=dsDisseminateFinalDMZ&amp;df%5bid%5d=DSD_AGR%40DF_OUTLOOK_2025_2034&amp;df%5bag%5d=OECD.TAD.ATM&amp;df%5bvs%5d=1.1&amp;dq=CAN.A.CPC_0112...&amp;pd=2010%2C2034&amp;to%5bTIME_PERIOD%5d=false\">OECD Data explorer<\/a>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ici, nous nous interrogeons&nbsp;: les plastiques biosourc\u00e9s permettent-ils vraiment de r\u00e9duire la d\u00e9pendance aux ressources fossiles&nbsp;?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour r\u00e9pondre \u00e0 cette question, l\u2019ACV de la production du PLA \u00e0 partir de diff\u00e9rentes ressources biotiques, men\u00e9e dans le cadre du projet <a href=\"https:\/\/bio4human.eu\/\">Bio4HUMAN <\/a>, permet d\u2019effectuer une analyse multi-\u00e9tapes et multicrit\u00e8res, recouvrant l\u2019ensemble des enjeux du secteur du biosourc\u00e9.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-le-pla-plastique-biosource-majoritaire-sur-le-marche\" class=\"wp-block-heading\">Le PLA: plastique biosourc\u00e9 majoritaire sur le march\u00e9<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Le PLA est aujourd\u2019hui le bioplastique le plus r\u00e9pandu au monde (selon <a href=\"https:\/\/www.globalgrowthinsights.com\/market-reports\/polylactic-acid-pla-market-111310\">Global Growth Insights<\/a>, 2025), notamment dans les emballages, ou les textiles non tiss\u00e9s. La synth\u00e8se chimique du PLA \u00e0 partir de ressources fossiles existe mais demeure minoritaire (10% de la production mondiale d\u2019acide lactique ) car plus complexe, plus \u00e9nergivore et non applicable aux secteurs alimentaire, pharmaceutique et m\u00e9dical (<a href=\"https:\/\/doi.org\/10.1016\/j.ijbiomac.2023.123703\">Angelin Swetha et al., 2023<\/a>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le PLA biosourc\u00e9 est obtenu \u00e0 partir de sucres fermentescibles (glucose), transform\u00e9s en acide lactique par fermentation, puis polym\u00e9ris\u00e9s. Ce glucose peut provenir de diff\u00e9rentes ressources biotiques :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Produits agricoles alimentaires (ma\u00efs, canne \u00e0 sucre, maniocs etc.),<\/li>\n\n\n\n<li>d\u00e9chets organiques agricoles<\/li>\n\n\n\n<li>d\u00e9chets organiques m\u00e9nagers.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Le sch\u00e9ma de production du PLA, quelle que soit la ressource, suit des \u00e9tapes similaires :<\/p>\n\n\n<style>.kt-accordion-id12857_75bdaa-79 .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:10px;}.kt-accordion-id12857_75bdaa-79 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;background:#ffffff;padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px;background:#f2f2f2;color:#555555;padding-top:13px;padding-right:15px;padding-bottom:13px;padding-left:15px;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:before{background:#555555;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger{background:#555555;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:before{background:#f2f2f2;}.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79 .kt-blocks-accordion-header:focus-visible{color:#444444;background:#eeeeee;border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion--visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#444444;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger, body:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger{background:#444444;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#eeeeee;}.kt-accordion-id12857_75bdaa-79 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{color:#ffffff;background:#BE530B;border-top:1px solid #BE530B;border-right:1px solid #BE530B;border-bottom:1px solid #BE530B;border-left:1px solid #BE530B;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger{background:#ffffff;}.kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_75bdaa-79:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#BE530B;}@media all and (max-width: 1024px){.kt-accordion-id12857_75bdaa-79 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}@media all and (max-width: 1024px){.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}}@media all and (max-width: 1024px){.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79 .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}}@media all and (max-width: 1024px){.kt-accordion-id12857_75bdaa-79 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #BE530B;border-right:1px solid #BE530B;border-bottom:1px solid #BE530B;border-left:1px solid #BE530B;}}@media all and (max-width: 767px){.kt-accordion-id12857_75bdaa-79 .kt-accordion-inner-wrap{display:block;}.kt-accordion-id12857_75bdaa-79 .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:10px;}.kt-accordion-id12857_75bdaa-79 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id12857_75bdaa-79 .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id12857_75bdaa-79 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id12857_75bdaa-79 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #BE530B;border-right:1px solid #BE530B;border-bottom:1px solid #BE530B;border-left:1px solid #BE530B;}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id12857_75bdaa-79 kt-accordion-has-6-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-basic kt-accodion-icon-side-right\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"none\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane12857_73094e-28\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>1. Extraction des sucres <\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Les sucres et l\u2019amidon sont extraits de la ressource biotique apr\u00e8s s\u00e9chage, broyage et \u00e9limination des \u00e9l\u00e9ments fibreux. Une assimilation de la cellulose (par hydrolyse enzymatique par exemple) peut \u00eatre effectu\u00e9e si n\u00e9cessaires.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane12857_f13272-33\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>2. Hydrolyse chimique <\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Pour les ressources biotiques \u00e0 faible contenu en sucre mais fort contenu en amidon, une hydrolyse chimique permet de produire du sucre \u00e0 partir de cet amidon.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-3 kt-pane12857_97d94c-c0\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>3. Fermentation en acide lactique <\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Le sucre obtenu est ferment\u00e9 en acide lactique par fermentation microbienne homo- ou h\u00e9t\u00e9ro-fermentative (co-produisant acide lactique, \u00e9thanol, acide ac\u00e9tique et ac\u00e9tate).<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-4 kt-pane12857_ed142d-13\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>4. Extraction de l\u2019acide lactique&nbsp; <\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">par pr\u00e9cipitation en lactate de calcium et extraction du solvant.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-5 kt-pane12857_3c0028-08\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>5. Polym\u00e9risation en PLA <\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">L\u2019acide lactique est polym\u00e9ris\u00e9 par polym\u00e9risation enzymatique, d\u00e9shydratation az\u00e9otopique, polycondensation, ou polym\u00e9risation par ouverture de cycle.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-6 kt-pane12857_398529-97\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>6. Mise en forme <\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Transformation plastique (extrusion, injection, soufflage).<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Le contenu en sucre, amidon, fibres, eau des ressources biotiques va alors influencer le proc\u00e9d\u00e9 de production et donc les impacts environnementaux associ\u00e9s. Les impacts en amont varient \u00e9galement fortement, notamment en raison de l\u2019agriculture et du pr\u00e9traitement.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-359d60c2 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/figures-1-1024x576.webp ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/figures-1.webp 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/figures-1.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/figures-1-1024x576.webp\" alt=\"\" class=\"uag-image-12928\" width=\"1920\" height=\"1080\" title=\"figures (1)\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-production-de-pla-a-partir-de-differentes-ressources-biotiques\" class=\"wp-block-heading\">Production de PLA \u00e0 partir de diff\u00e9rentes ressources biotiques<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<h3 id=\"h-a-partir-de-produits-agricoles\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-nv-c-1-color\">\u00c0 partir de produits agricoles<\/mark><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Actuellement, le <strong>ma\u00efs<\/strong> est une des <strong>ressources principalement utilis\u00e9es pour la production de PLA<\/strong> \u00e0 l\u2019\u00e9chelle mondiale gr\u00e2ce \u00e0 son contenu \u00e9lev\u00e9 en amidon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La canne \u00e0 sucre, principalement cultiv\u00e9e au Br\u00e9sil et en Asie, offre aussi un <strong>contenu en sucre<\/strong> \u00e9lev\u00e9 et est assez r\u00e9pandue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019\u00e9nergie n\u00e9cessaire \u00e0 la production peut m\u00eame \u00eatre produite \u00e0 partir de la combustion des d\u00e9chets agricoles non exploitables (bagasse)&nbsp;: une piste int\u00e9ressante pour diminuer l\u2019impact&nbsp;?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-nv-c-1-color\">Et si on le synth\u00e9tisait \u00e0 partir de d\u00e9chets ?<\/mark><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Produire du PLA \u00e0 partir de <strong>d\u00e9chets organiques ou de biod\u00e9chets<\/strong> est souvent per\u00e7u comme une solution optimale. En effet, ceci a des atouts majeurs<strong>:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>valorisation de d\u00e9chets existants (pas d\u2019impacts associ\u00e9s),<\/li>\n\n\n\n<li>pas de comp\u00e9tition alimentaire,<\/li>\n\n\n\n<li>r\u00e9duction de l\u2019usage des terres.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les sch\u00e9mas ci-dessous repr\u00e9sentent chaque voie de production \u00e9tudi\u00e9e, n\u00e9cessaire \u00e0 la construction des inventaires du cycle de vie.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-neve-link-hover-color-color\">Table 1 Diff\u00e9rents proc\u00e9d\u00e9s de production du PLA. Les \u00e9tapes barr\u00e9es ne sont pas incluses dans le proc\u00e9d\u00e9 et pr\u00e9sentent les diff\u00e9rences entre les parcours de production.<\/mark><\/strong><\/p>\n\n\n<style>.kb-table-container12857_4ae832-12{overflow-x:auto;}.kb-table-container .kb-table12857_4ae832-12 th{padding-top:var(--global-kb-spacing-xxs, 0.5rem);padding-right:var(--global-kb-spacing-xxs, 0.5rem);padding-bottom:var(--global-kb-spacing-xxs, 0.5rem);padding-left:var(--global-kb-spacing-xxs, 0.5rem);text-align:center;}.kb-table-container .kb-table12857_4ae832-12 caption{text-align:center;}.kb-table-container .kb-table12857_4ae832-12 td{padding-top:var(--global-kb-spacing-xxs, 0.5rem);padding-right:var(--global-kb-spacing-xxs, 0.5rem);padding-bottom:var(--global-kb-spacing-xxs, 0.5rem);padding-left:var(--global-kb-spacing-xxs, 0.5rem);text-align:left;}.kb-table-container .kb-table12857_4ae832-12 td:nth-of-type(1){background-color:var(--custom-1);}.kb-table-container .kb-table12857_4ae832-12 th:nth-of-type(1){background-color:var(--custom-1);}<\/style><div class=\"kb-table-container kb-table-container12857_4ae832-12 wp-block-kadence-table\"><table class=\"kb-table kb-table12857_4ae832-12\">\n<tr class=\"kb-table-row kb-table-row12857_33dca6-86\">\n<td  class=\"kb-table-data kb-table-data12857_bab5df-f3\">\n\n<p class=\"has-text-align-center has-medium-font-size wp-block-paragraph\"><strong>Production de PLA \u00e0 partir de <\/strong><\/p>\n\n<\/td>\n\n<td  class=\"kb-table-data kb-table-data12857_0e5232-21\">\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Proc\u00e9d\u00e9 associ\u00e9 <\/strong><\/p>\n\n<\/td>\n<\/tr>\n\n<tr class=\"kb-table-row kb-table-row12857_24c2fa-87\">\n<td  class=\"kb-table-data kb-table-data12857_33284d-8d\">\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Ma\u00efs <\/strong><\/p>\n\n<\/td>\n\n<td  class=\"kb-table-data kb-table-data12857_d75912-f1\">\n\n<div class=\"wp-block-uagb-image uagb-block-ce5bf30f wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Mais-1024x576.webp ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Mais.webp 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Mais.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Mais-1024x576.webp\" alt=\"\" class=\"uag-image-12860\" width=\"1920\" height=\"1080\" title=\"Mais\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n<\/td>\n<\/tr>\n\n<tr class=\"kb-table-row kb-table-row12857_da9b7d-5a\">\n<td  class=\"kb-table-data kb-table-data12857_1108e5-3d\">\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Canne \u00e0 sucre<\/strong>*<\/p>\n\n<\/td>\n\n<td  class=\"kb-table-data kb-table-data12857_d18015-95\">\n\n<div class=\"wp-block-uagb-image uagb-block-5a9134a4 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Sugar-cane-1024x576.webp ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Sugar-cane.webp 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Sugar-cane.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/Sugar-cane-1024x576.webp\" alt=\"\" class=\"uag-image-12862\" width=\"1920\" height=\"1080\" title=\"Sugar cane\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n<\/td>\n<\/tr>\n\n<tr class=\"kb-table-row kb-table-row12857_5fdaa5-73\">\n<td  class=\"kb-table-data kb-table-data12857_38a724-b0\">\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Biod\u00e9chets<\/strong><\/p>\n\n<\/td>\n\n<td  class=\"kb-table-data kb-table-data12857_3c597d-83\">\n\n<div class=\"wp-block-uagb-image uagb-block-1755039c wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/biodechets--1024x576.webp ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/biodechets-.webp 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/biodechets-.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/biodechets--1024x576.webp\" alt=\"\" class=\"uag-image-12863\" width=\"1920\" height=\"1080\" title=\"biod\u00e9chets\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n<\/td>\n<\/tr>\n\n<tr class=\"kb-table-row kb-table-row12857_7a19a9-e1\">\n<td  class=\"kb-table-data kb-table-data12857_e966e2-f3\">\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>D\u00e9chets de fruit<\/strong>*<\/p>\n\n<\/td>\n\n<td  class=\"kb-table-data kb-table-data12857_82eda0-86\">\n\n<div class=\"wp-block-uagb-image uagb-block-8a15112a wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/dechets-du-fruit--1024x576.webp ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/dechets-du-fruit-.webp 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/dechets-du-fruit-.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/dechets-du-fruit--1024x576.webp\" alt=\"\" class=\"uag-image-12864\" width=\"1920\" height=\"1080\" title=\"d\u00e9chets du fruit\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n<\/td>\n<\/tr>\n<\/table><\/div>\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">*L\u2019allocation \u00e9conomique a attribu\u00e9 57,6 % des impacts aux 22 kg de PLA produits (\u00e0 partir d\u20191 tonne de d\u00e9chets trait\u00e9s).<br>34,9 % sont attribu\u00e9s \u00e0 l\u2019\u00e9thanol, 0,6 % au gypse et 6,9 % \u00e0 l\u2019\u00e9lectricit\u00e9 (lorsqu\u2019elle est produite).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019ACV va alors nous permettre de rep\u00e9rer la nature et les sources d\u2019impacts de production du PLA et de conclure sur les ressources biotiques \u00e0 privil\u00e9gier pour r\u00e9duire, autant que possible, l\u2019impact de ce plastique biosourc\u00e9.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-comment-l-acv-permet-elle-de-choisir-vos-matieres-biosourcees-et-baisser-leur-impact\" class=\"wp-block-heading\">Comment l\u2019ACV permet-elle de choisir vos mati\u00e8res biosourc\u00e9es et baisser leur impact ?<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<h3 id=\"h-les-resultats-acv-comparatifs\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-nv-c-1-color\">Les r\u00e9sultats ACV comparatifs<\/mark><\/h3>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-0345a3fe wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/graphique_PLA.jpg ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/graphique_PLA.jpg 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/graphique_PLA.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/graphique_PLA.jpg\" alt=\"\" class=\"uag-image-12866\" width=\"900\" height=\"400\" title=\"graphique_PLA\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Sur la base de ces proc\u00e9d\u00e9s, nous avons pu mod\u00e9liser la synth\u00e8se du PLA biosourc\u00e9 sur SimaPro, en utilisant la base de donn\u00e9es ecoinvent 3.10 (Cut-Off), du berceau-\u00e0-la porte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chaque m\u00e9thode de production pr\u00e9sente ses avantages et inconv\u00e9nients, avec un impact variable sur les ressources fossiles, parfois sup\u00e9rieur \u00e0 celui du PE ou PET (p\u00e9trosourc\u00e9s). Une analyse plus pouss\u00e9e est disponible dans le livrable D5.2 du projet Bio4HUMAN  et voici ci-dessous nos principales conclusions.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-les-parametres-influents-les-impacts-environnementaux\" class=\"wp-block-heading\">Les param\u00e8tres influents les impacts environnementaux<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019ACV  met en \u00e9vidence plusieurs <strong>param\u00e8tres cl\u00e9s<\/strong> :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La <strong>ressource biotique<\/strong> (type, origine) influence la part d\u2019impact li\u00e9e \u00e0 la mati\u00e8re premi\u00e8re<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_273f84-78:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_273f84-78 ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_273f84-78 ul.kt-svg-icon-list{grid-row-gap:5px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_273f84-78 ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items12857_273f84-78 ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items12857_273f84-78 kt-svg-icon-list-columns-1 alignnone\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-12857_dd3cbd-66 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;background:var(--nv-light-bg);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-12857_dd3cbd-66\"><span class=\"kb-svg-icon-wrap kb-svg-icon-ic_circleRight kt-svg-icon-list-single\"><svg viewBox=\"0 0 8 8\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M4 0c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm0 1l3 3-3 3v-2h-3v-2h3v-2z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">La production \u00e0 partir de biod\u00e9chets est favorable par rapport \u00e0 la canne \u00e0 sucre ou au ma\u00efs qui ont des impacts sur acidification, les \u00e9missions de particules, le changement climatique, l&rsquo;\u00e9cotoxicit\u00e9, l&rsquo;eutrophisation, et l&rsquo;utilisation des terres d\u00fb aux activit\u00e9s agricoles.<\/span><\/li>\n<\/ul><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le <strong>mix \u00e9nerg\u00e9tique<\/strong> (\u00e9lectricit\u00e9 et chaleur) repr\u00e9sente une part plus ou moins importante des impacts selon le pays de production<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_63d383-de:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_63d383-de ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_63d383-de ul.kt-svg-icon-list{grid-row-gap:5px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_63d383-de ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items12857_63d383-de ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items12857_63d383-de kt-svg-icon-list-columns-1 alignnone\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-12857_0c55bf-32 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-12857_0c55bf-32\"><span class=\"kb-svg-icon-wrap kb-svg-icon-ic_circleRight kt-svg-icon-list-single\"><svg viewBox=\"0 0 8 8\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M4 0c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm0 1l3 3-3 3v-2h-3v-2h3v-2z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Les impacts de production \u00e0 partir de ma\u00efs, canne \u00e0 sucre ou biod\u00e9chets peuvent \u00eatre grandement diminu\u00e9s en optimisant la source d\u2019\u00e9nergie. Dans le cas de l\u2019\u00e9nergie \u00e0 origine fossile, l\u2019impact sur l\u2019\u00e9puisement des ressources fossiles restera important.<\/span><\/li>\n<\/ul><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le <strong>rendement du proc\u00e9d\u00e9<\/strong> influence sur la quantit\u00e9 d\u2019\u00e9nergie et de consommables.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_07e742-3a:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_07e742-3a ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_07e742-3a ul.kt-svg-icon-list{grid-row-gap:5px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_07e742-3a ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items12857_07e742-3a ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items12857_07e742-3a kt-svg-icon-list-columns-1 alignnone\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-12857_7da68f-b5 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-12857_7da68f-b5\"><span class=\"kb-svg-icon-wrap kb-svg-icon-ic_circleRight kt-svg-icon-list-single\"><svg viewBox=\"0 0 8 8\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M4 0c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm0 1l3 3-3 3v-2h-3v-2h3v-2z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">La production \u00e0 partir de biod\u00e9chets \u00e0 faible contenu en sucre ou en amidon est donc d\u00e9conseill\u00e9e car peut provoquer des impacts environnementaux sup\u00e9rieurs aux proc\u00e9d\u00e9s classiques.<\/span><\/li>\n<\/ul><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-au-dela-de-la-production-l-impact-du-pla-sur-l-ensemble-du-cycle-de-vie\" class=\"wp-block-heading\">Au-del\u00e0 de la production, l\u2019impact du PLA sur l\u2019ensemble du cycle de vie<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Compar\u00e9 \u00e0 un plastique p\u00e9trosourc\u00e9, un mat\u00e9riau biosourc\u00e9 peut pr\u00e9senter des performances m\u00e9caniques plus limit\u00e9es. Il faut alors <strong>plus de mati\u00e8re pour un m\u00eame usage<\/strong>, ce qui augmente ind\u00e9niablement les impacts globaux .<\/p>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_049f0d-29:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_049f0d-29 ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_049f0d-29 ul.kt-svg-icon-list{grid-row-gap:5px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items12857_049f0d-29 ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items12857_049f0d-29 ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items12857_049f0d-29 kt-svg-icon-list-columns-1 alignnone\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-12857_f3575d-c3 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-12857_f3575d-c3\"><span class=\"kb-svg-icon-wrap kb-svg-icon-ic_circleRight kt-svg-icon-list-single\"><svg viewBox=\"0 0 8 8\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M4 0c-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm0 1l3 3-3 3v-2h-3v-2h3v-2z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Il faut favoriser les plastiques biosourc\u00e9s lorsque leur performance est adapt\u00e9e \u00e0 <strong>l\u2019usage<\/strong><\/span><\/li>\n<\/ul><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019un des avantages majeurs du PLA r\u00e9side dans sa <strong>fin de vie<\/strong>. Il est biod\u00e9gradable et donc compostable, \u00e9vitant notamment l\u2019incin\u00e9ration en fin de vie. Il conf\u00e8re ainsi au sol une meilleure structure, favorisant la r\u00e9tention d\u2019eau, le d\u00e9veloppement des racines et l\u2019activit\u00e9 microbienne .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il faut cependant noter que le PLA est <strong>compostable industriellement, mais pas en milieu naturel<\/strong>. En cas de mauvaise gestion, les gains environnementaux associ\u00e9s \u00e0 sa biod\u00e9gradabilit\u00e9 sont perdus. D\u2019autres plastiques biosourc\u00e9s du march\u00e9 peuvent r\u00e9pondre \u00e0 cet enjeu, comme le PHA.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-vers-une-selection-raisonnee-des-plastiques-biosources\" class=\"wp-block-heading\"><strong>Vers une s\u00e9lection raisonn\u00e9e des plastiques biosourc\u00e9s<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019ACV du PLA a permis de souligner que l\u2019impact environnemental des plastiques biosourc\u00e9s est directement li\u00e9 \u00e0 la nature et au potentiel de valorisation des ressources biotiques utilis\u00e9es.<br>L\u2019analyse d\u00e9montre que <strong>toutes les voies de production du PLA ne se valent pas<\/strong> et une <strong>ACV<\/strong> int\u00e9grant la ressource, l\u2019\u00e9nergie, l\u2019usage et la fin de vie, permet de faire un choix \u00e9clair\u00e9, englobant l\u2019ensemble des enjeux associ\u00e9s au biosourc\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour conclure, la <strong>d\u00e9pendance aux ressources fossiles est r\u00e9duite, si et seulement si, le proc\u00e9d\u00e9 de production utilise une quantit\u00e9 d\u2019\u00e9nergie limit\u00e9e<\/strong> (produits agricoles \u00e0 haut contenu en amidon et sucre), <strong>ou bien d&rsquo;origine renouvelables<\/strong> (biod\u00e9chets).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les inventaires utilis\u00e9s dans cette \u00e9tude sont issus de la <strong>litt\u00e9rature scientifique<\/strong> et de bases de donn\u00e9es g\u00e9n\u00e9riques ; ils ne refl\u00e8tent donc pas n\u00e9cessairement l\u2019ensemble des proc\u00e9d\u00e9s et conditions de production du PLA. Pour obtenir des r\u00e9sultats repr\u00e9sentatifs d\u2019un produit ou d\u2019un proc\u00e9d\u00e9 sp\u00e9cifique, il est recommand\u00e9 de r<strong>\u00e9aliser un inventaire de cycle de vie sp\u00e9cifique<\/strong> ainsi qu\u2019une Analyse de Cycle de Vie (ACV) propre au syst\u00e8me \u00e9tudi\u00e9.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kt-accordion-id12857_2778a9-7f .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:10px;}.kt-accordion-id12857_2778a9-7f .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;background:#ffffff;padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px;background:#f2f2f2;color:#555555;padding-top:13px;padding-right:15px;padding-bottom:13px;padding-left:15px;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:before{background:#555555;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger{background:#555555;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:before{background:#f2f2f2;}.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f .kt-blocks-accordion-header:focus-visible{color:#444444;background:#eeeeee;border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion--visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#444444;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger, body:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger{background:#444444;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#eeeeee;}.kt-accordion-id12857_2778a9-7f .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{color:#ffffff;background:#BE530B;border-top:1px solid #BE530B;border-right:1px solid #BE530B;border-bottom:1px solid #BE530B;border-left:1px solid #BE530B;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger{background:#ffffff;}.kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id12857_2778a9-7f:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#BE530B;}@media all and (max-width: 1024px){.kt-accordion-id12857_2778a9-7f .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}@media all and (max-width: 1024px){.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}}@media all and (max-width: 1024px){.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}}@media all and (max-width: 1024px){.kt-accordion-id12857_2778a9-7f .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #BE530B;border-right:1px solid #BE530B;border-bottom:1px solid #BE530B;border-left:1px solid #BE530B;}}@media all and (max-width: 767px){.kt-accordion-id12857_2778a9-7f .kt-accordion-inner-wrap{display:block;}.kt-accordion-id12857_2778a9-7f .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:10px;}.kt-accordion-id12857_2778a9-7f .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #f2f2f2;border-right:1px solid #f2f2f2;border-bottom:1px solid #f2f2f2;border-left:1px solid #f2f2f2;}.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id12857_2778a9-7f .kt-blocks-accordion-header:focus-visible{border-top:1px solid #878787;border-right:1px solid #878787;border-bottom:1px solid #878787;border-left:1px solid #878787;}.kt-accordion-id12857_2778a9-7f .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id12857_2778a9-7f > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #BE530B;border-right:1px solid #BE530B;border-bottom:1px solid #BE530B;border-left:1px solid #BE530B;}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id12857_2778a9-7f kt-accordion-has-2-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-basic kt-accodion-icon-side-right\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"none\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane12857_8bdb28-4b\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">R\u00e9f\u00e9rences <\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Angelin Swetha et al. (2023) https:\/\/doi.org\/10.1016\/j.ijbiomac.2023.123703<\/li>\n\n\n\n<li><a href=\"https:\/\/bio4human.eu\/wp-content\/uploads\/2025\/10\/Bio4HUMAN-D5.2-FV-291025.pdf\">https:\/\/bio4human.eu\/wp-content\/uploads\/2025\/10\/Bio4HUMAN-D5.2-FV-291025.pdf<\/a><\/li>\n\n\n\n<li>&nbsp;&nbsp;Bressanin et al. (2022), https:\/\/doi.org\/10.1016\/j.spc.2022.09.009<\/li>\n\n\n\n<li>&nbsp;&nbsp;Angelin Swetha et al. (2023), https:\/\/doi.org\/10.1016\/j.ijbiomac.2023.123703<\/li>\n\n\n\n<li>&nbsp;&nbsp;Mor\u00e3o &amp; De Bie (2019), https:\/\/link.springer.com\/article\/10.1007\/s10924-019-01525-9#Bib1<\/li>\n\n\n\n<li>&nbsp;&nbsp;Maga et al. (2019), https:\/\/doi.org\/10.1016\/j.resconrec.2019.05.018<\/li>\n\n\n\n<li>&nbsp;&nbsp;Aryan et al. (2021), https:\/\/doi.org\/10.1016\/j.resconrec.2021.105670<\/li>\n\n\n\n<li><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11270-025-08629-0\">Distinct Influence of Conventional and Biodegradable Microplastics on Soil Microorganisms and Nitrogen Cycling: Emphasizing the Effect of Biodegradable Polylactic Acid | Water, Air, &amp; Soil Pollution<\/a><\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-vous-souhaitez-en-savoir-plus\" class=\"wp-block-heading\">Vous souhaitez en savoir plus ? <\/h2>\n\n\n<div\r\n    class=\"align wp-block-icb-cards\"    id=\"icbCards-1\"\r\n    data-attributes='{&quot;clientId&quot;:&quot;f52df625-eb0a-489e-9d2e-41067f99ce3c&quot;,&quot;cards&quot;:[{&quot;background&quot;:{&quot;color&quot;:&quot;#fff&quot;},&quot;img&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/Article-image-de-couverture-.png&quot;,&quot;title&quot;:&quot;L&#039;Analyse du Cycle de Vie au service du biosourc\\u00e9 et de la bio\\u00e9conomie &quot;,&quot;desc&quot;:&quot;&quot;,&quot;btnLabal&quot;:&quot;&lt;strong&gt;Lire l&#039;article &lt;\\\/strong&gt;&quot;,&quot;btnUrl&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/lanalyse-du-cycle-de-vie-au-service-du-biosource-et-de-la-bioeconomie\\\/&quot;,&quot;isBtn&quot;:true,&quot;cardUrl&quot;:&quot;&quot;},{&quot;background&quot;:{&quot;color&quot;:&quot;#fff&quot;},&quot;img&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/photo-article.jpg&quot;,&quot;title&quot;:&quot;ACV et aide humanitaire : agir malgr\\u00e9 l&#039;urgence terrain &quot;,&quot;desc&quot;:&quot;&quot;,&quot;btnLabal&quot;:&quot;&lt;strong&gt;Lire l&#039;article &lt;\\\/strong&gt;&quot;,&quot;btnUrl&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/acv-et-aide-humanitaire-agir-malgre-l-urgence-terrain\\\/&quot;,&quot;isBtn&quot;:true,&quot;cardUrl&quot;:&quot;&quot;}],&quot;titleColor&quot;:&quot;var(--nv-dark-bg)&quot;,&quot;btnColors&quot;:{&quot;color&quot;:&quot;#fff&quot;,&quot;bg&quot;:&quot;var(--nv-secondary-accent)&quot;},&quot;className&quot;:&quot;&quot;,&quot;align&quot;:&quot;&quot;,&quot;layout&quot;:&quot;vertical&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;columns&quot;:{&quot;desktop&quot;:3,&quot;tablet&quot;:2,&quot;mobile&quot;:1},&quot;columnGap&quot;:&quot;20px&quot;,&quot;rowGap&quot;:&quot;20px&quot;,&quot;isImg&quot;:true,&quot;isTab&quot;:false,&quot;imgHeight&quot;:&quot;200px&quot;,&quot;imgPos&quot;:&quot;first&quot;,&quot;background&quot;:{&quot;color&quot;:&quot;#0000&quot;},&quot;padding&quot;:{&quot;top&quot;:&quot;0px&quot;,&quot;right&quot;:&quot;0x&quot;,&quot;bottom&quot;:&quot;0px&quot;,&quot;left&quot;:&quot;0px&quot;},&quot;cardPadding&quot;:{&quot;top&quot;:&quot;0px&quot;,&quot;right&quot;:&quot;0px&quot;,&quot;bottom&quot;:&quot;0px&quot;,&quot;left&quot;:&quot;0px&quot;},&quot;cardRadius&quot;:&quot;8px&quot;,&quot;cardShadow&quot;:[{&quot;hOffset&quot;:&quot;0px&quot;,&quot;vOffset&quot;:&quot;4px&quot;,&quot;blur&quot;:&quot;8px&quot;,&quot;spreed&quot;:&quot;0px&quot;,&quot;color&quot;:&quot;#0003&quot;}],&quot;contentAlign&quot;:&quot;left&quot;,&quot;contentPadding&quot;:{&quot;top&quot;:&quot;20px&quot;,&quot;right&quot;:&quot;15px&quot;,&quot;bottom&quot;:&quot;15px&quot;,&quot;left&quot;:&quot;15px&quot;},&quot;titleTypo&quot;:{&quot;fontSize&quot;:&quot;20&quot;},&quot;descTypo&quot;:{&quot;fontSize&quot;:&quot;16&quot;},&quot;descColor&quot;:&quot;#000&quot;,&quot;btnTypo&quot;:{&quot;fontSize&quot;:15,&quot;textDecoration&quot;:&quot;none&quot;},&quot;btnAlign&quot;:&quot;left&quot;,&quot;btnHovColors&quot;:{&quot;color&quot;:&quot;#fff&quot;,&quot;bg&quot;:&quot;#fe6601&quot;},&quot;btnPadding&quot;:{&quot;top&quot;:&quot;10px&quot;,&quot;right&quot;:&quot;15px&quot;,&quot;bottom&quot;:&quot;10px&quot;,&quot;left&quot;:&quot;15px&quot;},&quot;btnRadius&quot;:&quot;8px&quot;,&quot;productsInfo&quot;:[{&quot;title&quot;:&quot;Alienware Gaming Laptop&quot;,&quot;description&quot;:&quot;Alienware Laptop is one of the best Gaming Laptops. Every gamer loves it.&quot;,&quot;variant&quot;:[&quot;i3&quot;,&quot;i5&quot;,&quot;i6&quot;,&quot;i9&quot;],&quot;image&quot;:&quot;https:\\\/\\\/templates.bplugins.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Alienware-Laptop.png&quot;,&quot;button&quot;:{&quot;text&quot;:&quot;Buy Now&quot;,&quot;link&quot;:&quot;&quot;}},{&quot;title&quot;:&quot;Alienware Gaming Laptop&quot;,&quot;description&quot;:&quot;Alienware Laptop is one of the best Gaming Laptops. Every gamer loves it.&quot;,&quot;variant&quot;:[&quot;i3&quot;,&quot;i5&quot;,&quot;i6&quot;,&quot;i9&quot;],&quot;image&quot;:&quot;https:\\\/\\\/templates.bplugins.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Alienware-Laptop.png&quot;,&quot;button&quot;:{&quot;text&quot;:&quot;Buy Now&quot;,&quot;link&quot;:&quot;&quot;}},{&quot;title&quot;:&quot;Alienware Gaming Laptop&quot;,&quot;description&quot;:&quot;Alienware Laptop is one of the best Gaming Laptops. Every gamer loves it.&quot;,&quot;variant&quot;:[&quot;i3&quot;,&quot;i5&quot;,&quot;i6&quot;,&quot;i9&quot;],&quot;image&quot;:&quot;https:\\\/\\\/templates.bplugins.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Alienware-Laptop.png&quot;,&quot;button&quot;:{&quot;text&quot;:&quot;Buy Now&quot;,&quot;link&quot;:&quot;&quot;}}],&quot;styles&quot;:{&quot;margin&quot;:&quot;20px&quot;},&quot;grabCardInfo&quot;:{&quot;image&quot;:&quot;https:\\\/\\\/templates.bplugins.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/quest.webp&quot;,&quot;title&quot;:&quot;Grab A Device&quot;,&quot;description&quot;:&quot;Your journey into spatial starts now. Get Meta Horizon OS for yourself or power up your entire team.&quot;,&quot;button&quot;:{&quot;text&quot;:&quot;Purchase a Meta Quest&quot;,&quot;link&quot;:&quot;#&quot;}},&quot;alignment&quot;:&quot;center&quot;,&quot;options&quot;:{&quot;isOpenInNewTab&quot;:true,&quot;isVariantShow&quot;:true,&quot;isButtonShow&quot;:true,&quot;isVisibleCircle&quot;:true,&quot;isTagShow&quot;:true,&quot;isNewTabOpen&quot;:true,&quot;isHoverRotated&quot;:true},&quot;hasCustomCSS&quot;:false,&quot;customCSS&quot;:&quot;&quot;,&quot;TrpContentRestriction&quot;:{&quot;restriction_type&quot;:&quot;exclude&quot;,&quot;selected_languages&quot;:[],&quot;panel_open&quot;:true},&quot;otterConditions&quot;:[]}'>\r\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Biosourc\u00e9, oui&#8230; plus durable, \u00e7a d\u00e9pend : l&rsquo;ACV du PLA pass\u00e9e au crible Perrine S\u00e9bastien Face \u00e0 l\u2019urgence climatique et \u00e0 la criticit\u00e9 des plastiques p\u00e9trosourc\u00e9s, les plastiques biosourc\u00e9s \u00e9mergent aujourd\u2019hui comme une alternative prometteuse. Parmi eux, le PLA (acide polylactique), biod\u00e9gradable, occupe une place centrale sur le march\u00e9 avec une production annuelle de 700kT&hellip;&nbsp;<\/p>\n<div class=\"read-more-wrapper\"><a href=\"https:\/\/www.weloop.org\/en\/biosource-oui-plus-durable-ca-depend-lacv-du-pla-passee-au-crible\/\" class=\"button button-primary\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Bio-based, yes\u2026 more sustainable? That depends: a closer look at the LCA of PLA.<\/span><\/a><\/div>","protected":false},"author":9,"featured_media":12909,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[126],"tags":[],"class_list":["post-12857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-et-decryptages"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ACV du PLA biosourc\u00e9 : impact environnemental et durabilit\u00e9<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment l\u2019ACV du PLA biosourc\u00e9 r\u00e9v\u00e8le les v\u00e9ritables impacts environnementaux des bioplastiques face aux plastiques p\u00e9trosourc\u00e9s.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.weloop.org\/en\/bio-based-yes-more-sustainable-it-depends-the-lca-of-pla-put-to-the-test\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Biosourc\u00e9, oui... plus durable, \u00e7a d\u00e9pend : l&#039;ACV du PLA pass\u00e9e au crible\" \/>\n<meta property=\"og:description\" content=\"Blog | Analyse du Cycle de Vie (ACV), \u00e9conomie circulaire et \u00e9co-conception\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.weloop.org\/en\/bio-based-yes-more-sustainable-it-depends-the-lca-of-pla-put-to-the-test\/\" \/>\n<meta property=\"og:site_name\" content=\"WeLOOP\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-19T08:02:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-17T14:59:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/05\/ChatGPT-Image-19-mai-2026-09_56_39.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Meriem DJENIDI\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Meriem DJENIDI\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.weloop.org\\\/biosource-oui-plus-durable-ca-depend-lacv-du-pla-passee-au-crible\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.weloop.org\\\/biosource-oui-plus-durable-ca-depend-lacv-du-pla-passee-au-crible\\\/\"},\"author\":{\"name\":\"Meriem DJENIDI\",\"@id\":\"https:\\\/\\\/www.v2.weloop.org\\\/#\\\/schema\\\/person\\\/ff350945934df2511374360bca01e6a5\"},\"headline\":\"Biosourc\u00e9, oui&#8230; 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