{"id":48876,"date":"2026-03-06T09:59:07","date_gmt":"2026-03-06T08:59:07","guid":{"rendered":"https:\/\/www.swecobelgium.be\/?post_type=blog&#038;p=48876"},"modified":"2026-03-06T09:59:38","modified_gmt":"2026-03-06T08:59:38","slug":"des-dechets-aux-ressources-transformer-les-plastiques-usages-en-matieres-premieres","status":"publish","type":"blog","link":"https:\/\/www.swecobelgium.be\/fr\/actualites\/des-dechets-aux-ressources-transformer-les-plastiques-usages-en-matieres-premieres\/","title":{"rendered":"Des d\u00e9chets aux ressources : transformer les plastiques usag\u00e9s en mati\u00e8res premi\u00e8res"},"content":{"rendered":"<section class=\"block block-share block--white\" >\n\t<div class=\"block__inner\">\n\t\t<div class=\"col--12 col--wrapper col--center\">\n            <div class=\"col col--12 editor-content col--center\">\n                <div class=\"share\">\n                    <p class=\"share-text\">Share on: <\/p>\n                    <div class=\"ss-inline-share-wrapper ss-hover-animation-fade ss-with-counter-border ss-inline-total-counter-left\"><div class=\"ss-inline-share-content\"><\/div><\/div>                <\/div>\n            <\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n<section class=\"block cb block--white\" >\n\t<div class=\"block__inner cb__inner cb__inner--one\">\n\t<div class=\"col--12 col--center col--wrapper\">\n\t\t<div class=\"col col--6 editor-content\">\n\t\t\t<p><strong><span class=\"TextRun Highlight SCXW259716690 BCX0\" lang=\"FR\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW259716690 BCX0\">En Europe, environ 26 <\/span><span class=\"NormalTextRun SCXW259716690 BCX0\">millions <\/span><span class=\"NormalTextRun SCXW259716690 BCX0\">de tonnes<\/span> <span class=\"NormalTextRun SCXW259716690 BCX0\">de plastiques sont \u00e9limin\u00e9es comme d\u00e9chets chaque ann\u00e9e. Pour s\u2019aligner sur les objectifs europ\u00e9ens et flamands, de nouvelles m\u00e9thodes de recyclage sont n\u00e9cessaires. Dans le cadre du projet plastics to chemicals, notre client <\/span><span class=\"NormalTextRun SCXW259716690 BCX0\">Indaver<\/span><span class=\"NormalTextRun SCXW259716690 BCX0\">, en collaboration avec les universit\u00e9s de Gand et d\u2019Anvers, a d\u00e9velopp\u00e9 un proc\u00e9d\u00e9 innovant permettant de transformer des plastiques en fin de vie en mati\u00e8res premi\u00e8res pour l\u2019industrie chimique.<\/span><\/span><\/strong><\/p>\n<p><strong><span class=\"NormalTextRun\">Il s\u2019agit de plastiques qui ont longtemps \u00e9t\u00e9 consid\u00e9r\u00e9s comme <\/span><span class=\"NormalTextRun\">inadapt\u00e9s<\/span><span class=\"NormalTextRun\"> aux m\u00e9thodes traditionnelles de recyclage m\u00e9canique. Pour y parvenir, ils ont d\u00e9velopp\u00e9 un proc\u00e9d\u00e9 de d\u00e9polym\u00e9risation.<\/span><\/strong><\/p>\n<h2>Un bond dans les taux de recyclage<\/h2>\n<p><span class=\"NormalTextRun\">Imaginez \u00e9conomiser 3,5 <\/span><span class=\"NormalTextRun\">tonnes<\/span><span class=\"NormalTextRun\"> de d\u00e9chets plastiques chaque heure, soit l\u2019\u00e9quivalent du poids d\u2019une orque adulte. C\u2019est le potentiel du proc\u00e9d\u00e9 <\/span><span class=\"NormalTextRun\">innovant<\/span><span class=\"NormalTextRun\"> introduit par Indaver, qui d\u00e9compose les plastiques complexes en cha\u00eenes d\u2019hydrocarbures plus courtes. Ces cha\u00eenes servent ensuite de ressource pr\u00e9cieuse pour l\u2019industrie chimique, transformant ainsi les d\u00e9chets en valeur.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/section>\n\n\n<section class=\"block quote quote--lightGray\" >\n\t<div class=\"block__inner\">\n\t\t<div class=\"col--11 editor-content \">\n\t\t\t<div class=\"quote__inner\">\n\t\t\t\t\t\t\t\t<blockquote>\n\t\t\t\t\t<figure><svg viewBox=\"0 0 30 27\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M27.188.625c.761 0 1.406.293 1.992.82.527.586.82 1.23.82 1.992V17.5c0 1.7-.469 3.281-1.29 4.688a9.17 9.17 0 01-3.398 3.457 9.499 9.499 0 01-4.687 1.23h-.469c-.41 0-.761-.117-.996-.41-.293-.235-.41-.586-.41-.996v-2.813c0-.351.117-.703.41-.996.235-.234.586-.41.996-.41h.469c.996 0 1.875-.352 2.637-1.113.703-.703 1.113-1.582 1.113-2.637v-3.75h-4.688c-.82 0-1.464-.234-1.992-.82-.586-.528-.82-1.172-.82-1.992v-7.5c0-.762.234-1.407.82-1.993a2.693 2.693 0 011.992-.82h7.5zm-16.875 0c.761 0 1.406.293 1.992.82.527.586.82 1.23.82 1.992V17.5c0 1.7-.469 3.281-1.29 4.688a9.17 9.17 0 01-3.398 3.457 9.499 9.499 0 01-4.687 1.23h-.469c-.41 0-.761-.117-.996-.41-.293-.235-.41-.586-.41-.996v-2.813c0-.351.117-.703.41-.996.235-.234.586-.41.996-.41h.469c.996 0 1.875-.352 2.637-1.113C7.09 19.434 7.5 18.555 7.5 17.5v-3.75H2.812c-.82 0-1.464-.234-1.992-.82-.586-.528-.82-1.172-.82-1.992v-7.5c0-.762.234-1.407.82-1.993a2.696 2.696 0 011.993-.82h7.5z\" fill=\"#3F3F42\"\/><\/svg><\/figure>\n\t\t\t\t\tAvec ce projet plastics to chemicals, nous pouvons \u00e9conomiser 3,5 tonnes de d\u00e9chets plastiques par heure \u2013 soit la taille d\u2019une orque !\t\t\t\t<\/blockquote>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n<section class=\"block cb block--white\" >\n\t<div class=\"block__inner cb__inner cb__inner--one\">\n\t<div class=\"col--12 col--center col--wrapper\">\n\t\t<div class=\"col col--6 editor-content\">\n\t\t\t<h2>L\u2019\u00e9conomie circulaire en action<\/h2>\n<p><span>Cette technique de d\u00e9polym\u00e9risation est bien plus qu\u2019un simple recyclage, elle repr\u00e9sente un changement fondamental dans notre approche des d\u00e9chets plastiques.<\/span> <span>En lib\u00e9rant la valeur de ce qui \u00e9tait autrefois consid\u00e9r\u00e9 comme un d\u00e9chet, nous r\u00e9duisons notre d\u00e9pendance au p\u00e9trole et franchissons une \u00e9tape importante vers la r\u00e9solution de la crise mondiale du plastique.<\/span><\/p>\n<p><span>Ici, les d\u00e9chets ne sont pas une fin mais un point de d\u00e9part pour de nouvelles ressources. Des initiatives comme celle-ci d\u00e9montrent comment m\u00eame les secteurs les plus importants peuvent contribuer \u00e0 un avenir plus durable, en r\u00e9duisant les d\u00e9chets et en adoptant une approche circulaire de l\u2019industrie.<\/span><\/p>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/section>\n\n\n<section class=\"block block--white latest-insights\" >\n\t<div class=\"block__inner latest-insights__inner\">\n\t\t<div class=\"col--11 col--wrapper\">\n\t\t\t\t\t\t\t<div class=\"col col--12 editor-content latest-insights__title\">\n\t\t\t\t\t<h2 class=\"h2 hyphenate\">Autres actualit\u00e9s<\/h2>\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"col col--4 insight\" data-clickable=\"true\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"296\" src=\"https:\/\/www.swecobelgium.be\/wp-content\/uploads\/sites\/12\/2026\/03\/fayepynaert__O8A3253-1-2500x1667-2-520x296.jpg\" class=\"attachment-insights-featured size-insights-featured wp-post-image\" alt=\"photo of Frederik Jacobs and Jorden Goossenaerts from CONIX RDBM Architects and Erwin Malcorps, Renaud Chevalier, and Vicky De Bollen from Sweco after signing the acquisition agreement\" \/>\t\t\t\t\t\t<div class=\"insight__content editor-content\">\n\t\t\t\t\t\t\t<em class=\"cats\">Notre capital humain, Onze mensen<span class=\"cats__sep\"><\/span>21 mai 2026<\/em>\t\t\t\t\t\t\t<h3><a href=\"https:\/\/www.swecobelgium.be\/fr\/actualites\/sweco-accueille-officiellement-conix-rdbm-belgium\/\">Sweco accueille officiellement CONIX RDBM Belgium<\/a><\/h3>\n\t\t\t\t\t\t\t<p> <span class=\"readmore\">En savoir plus<\/span><\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"col col--4 insight\" data-clickable=\"true\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"296\" src=\"https:\/\/www.swecobelgium.be\/wp-content\/uploads\/sites\/12\/2024\/12\/Foto-coronmeuse-5-520x296.jpg\" class=\"attachment-insights-featured size-insights-featured wp-post-image\" alt=\"een drone beeld van Coronmeuse waarop het water van de Maas en het Astrid park te zien zijn\" srcset=\"https:\/\/www.swecobelgium.be\/wp-content\/uploads\/sites\/12\/2024\/12\/Foto-coronmeuse-5-520x296.jpg 520w, https:\/\/www.swecobelgium.be\/wp-content\/uploads\/sites\/12\/2024\/12\/Foto-coronmeuse-5-200x113.jpg 200w, https:\/\/www.swecobelgium.be\/wp-content\/uploads\/sites\/12\/2024\/12\/Foto-coronmeuse-5-1260x720.jpg 1260w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/>\t\t\t\t\t\t<div class=\"insight__content editor-content\">\n\t\t\t\t\t\t\t<em class=\"cats\">Ecologie &amp; environnement, Bonne terre<span class=\"cats__sep\"><\/span>18 mai 2026<\/em>\t\t\t\t\t\t\t<h3><a href=\"https:\/\/www.swecobelgium.be\/fr\/actualites\/vergeten-stortplaatsen-geven-inzichten-voor-brownfieldontwikkeling\/\">Les d\u00e9charges oubli\u00e9es, une source d\u2019inspiration pour la reconversion des friches industrielles<\/a><\/h3>\n\t\t\t\t\t\t\t<p> <span class=\"readmore\">En savoir plus<\/span><\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"col col--4 insight\" data-clickable=\"true\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"296\" src=\"https:\/\/www.swecobelgium.be\/wp-content\/uploads\/sites\/12\/2026\/05\/IMG_6689-520x296.jpg\" class=\"attachment-insights-featured size-insights-featured wp-post-image\" alt=\"\" \/>\t\t\t\t\t\t<div class=\"insight__content editor-content\">\n\t\t\t\t\t\t\t<em class=\"cats\">Num\u00e9risation et technologie intelligente<span class=\"cats__sep\"><\/span>13 mai 2026<\/em>\t\t\t\t\t\t\t<h3><a href=\"https:\/\/www.swecobelgium.be\/fr\/actualites\/jana-de-klerk-renforce-sweco-en-tant-que-team-lead-digital-solutions\/\">Jana De Klerk renforce Sweco en tant que Team Lead Digital Solutions<\/a><\/h3>\n\t\t\t\t\t\t\t<p> <span class=\"readmore\">En savoir plus<\/span><\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/section>\n\n<section class=\"block form-block block--white\" >\n\t<div class=\"block__inner form-block__inner \">\n\n                    <div class=\"col--11 col--wrapper\">\n                                    <div class=\"col col--4 editor-content form-block__title\">\n                        <h3 class=\"h3 hyphenate\">Abonnez-vous aux actualit\u00e9s d&rsquo;Urban Insight<\/h3>                    <\/div>\n                    <div class=\"col--12 col\"><\/div>\n                \n                <div class=\"col col--4 editor-content\">\n                    Restez inform\u00e9. 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