{"id":22787,"date":"2024-03-25T15:57:18","date_gmt":"2024-03-25T14:57:18","guid":{"rendered":"https:\/\/www.cerege.fr\/?page_id=22787"},"modified":"2025-11-21T12:09:43","modified_gmt":"2025-11-21T11:09:43","slug":"innovations-for-the-environment-2","status":"publish","type":"page","link":"https:\/\/www.cerege.fr\/en\/sciences\/environnement-durable\/cycle-de-vie-de-la-ressource-minerale\/","title":{"rendered":"Mineral resource life cycle - Critical metals"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"22787\" class=\"elementor elementor-22787\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-81e378d elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"81e378d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6330361d\" data-id=\"6330361d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7e130cd5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7e130cd5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1ce41bb0\" data-id=\"1ce41bb0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-75b09a86 elementor-widget elementor-widget-shortcode\" data-id=\"75b09a86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><nav aria-label=\"breadcrumbs\">\n            <div class=\"breadcrumb-container theme1\">\n                <ol>\n                                    <\/ol>\n            <\/div>\n        <\/nav>    <script type=\"application\/ld+json\">\n        {\n            \"@context\": \"http:\/\/schema.org\",\n            \"@type\": \"BreadcrumbList\",\n            \"itemListElement\": [\n                            ]\n        }\n    <\/script>\n   \n    <script>\n            <\/script>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a307583 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a307583\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-c6ae150\" data-id=\"c6ae150\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1033b3c elementor-widget elementor-widget-text-editor\" data-id=\"1033b3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Face \u00e0 une pression croissante sur les ressources min\u00e9rales, l\u2019\u00e9quipe s\u2019inscrit dans une logique d\u2019\u00e9conomie circulaire pour repenser toutes les \u00e9tapes de leur cycle de vie, et en particulier les m\u00e9taux critiques, i.e. strat\u00e9giques pour les technologies en lien avec la transition environnementale.<\/p><h2><span style=\"font-weight: normal;\">Accompagnement de l&#8217;activit\u00e9 mini\u00e8re<\/span><\/h2><p>A travers l\u2019animation d\u2019un laboratoire mixte international et interdisciplinaire IRD : Activit\u00e9s Mini\u00e8res Responsables au Maroc, l\u2019\u00e9quipe participe \u00e0 l\u2019accompagnement des acteurs miniers vers des pratiques d\u2019extraction et de gestion apr\u00e8s mine plus responsables et en particulier sur la question de l\u2019apr\u00e8s-mine (valorisation des r\u00e9sidus miniers, restauration des sites abandonn\u00e9s, reconversion \u00e9conomique des territoires, etc). La cr\u00e9ation d\u2019un OHM International (CNRS, INEE) est en cours de r\u00e9flexion au Maroc, pour appuyer le travail de structuration des acteurs r\u00e9alis\u00e9 dans le cadre du LMI. De plus, l\u2019observatoire Libanais (GDRi Sud O-Life) est en cours de renouvellement et permettra entre autres le d\u00e9veloppement de capteurs low-cost pour le suivi des impacts li\u00e9s \u00e0 l\u2019exploitation des carri\u00e8res.<\/p><h2><span style=\"font-weight: normal;\">Proc\u00e9d\u00e9s d&#8217;extraction douce de m\u00e9taux critiques<\/span><\/h2><p>Un levier majeur pour diminuer la pression sur les ressources primaires est l\u2019exploitation des d\u00e9chets industriels, urbains et des produits en fin de vie (sources secondaires). Nous d\u00e9veloppons pour cela des proc\u00e9d\u00e9s bio-inspir\u00e9s d\u2019extraction s\u00e9lective de m\u00e9taux critiques en s\u2019inspirant\u00a0des processus naturels de transfert de ces m\u00e9taux vers le vivant (bact\u00e9ries et plantes). Outre la caract\u00e9risation des mol\u00e9cules impliqu\u00e9es dans le transfert biologique et de leur utilisation dans les proc\u00e9d\u00e9s d\u2019extraction, un objectif majeur est de quantifier la sobri\u00e9t\u00e9 des proc\u00e9d\u00e9s d\u00e9velopp\u00e9s par rapport \u00e0 des proc\u00e9d\u00e9s hydrom\u00e9tallurgiques traditionnels en collaboration avec des \u00e9conomistes.\u00a0<\/p><h2><span style=\"font-weight: normal;\">Expertise scientifique collective sur l&#8217;utilisation responsable des terres rares<\/span><\/h2><p>Le 14 novembre 2025, le CNRS a restitu\u00e9 une expertise scientifique collective sur l\u2019usage responsable des terres rares. \u00a0L\u2019enjeu\u00a0: \u00e9clairer, par un \u00e9tat des lieux des connaissances scientifiques, les leviers pour r\u00e9duire la d\u00e9pendance fran\u00e7aise \u00e0 ces m\u00e9taux critiques omnipr\u00e9sents dans notre quotidien.\u00a0<\/p><p>Le collectif de 30 chercheurs et chercheuses, a \u00e9t\u00e9 co-pilot\u00e9 par <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/clement-levard\/\">Cl\u00e9ment Levard<\/a> et a \u00e9tudi\u00e9 un corpus de plus de 4\u00a0000 publications scientifiques.<\/p><p>En savoir plus:\u00a0<a href=\"https:\/\/www.cnrs.fr\/fr\/actualite\/terres-rares-et-souverainete-nationale-lequation-impossible\" target=\"_blank\" rel=\"noopener\">https:\/\/www.cnrs.fr\/fr\/actualite\/terres-rares-et-souverainete-nationale-lequation-impossible<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ef3e798\" data-id=\"ef3e798\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-283717b gallery-spacing-custom elementor-widget elementor-widget-image-gallery\" data-id=\"283717b\" 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https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/11\/014-Mange-garri-Keller-scaled.jpg 2048w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/11\/014-Mange-garri-Keller-18x12.jpg 18w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/11\/014-Mange-garri-Keller-1320x880.jpg 1320w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac27428 elementor-widget elementor-widget-spacer\" data-id=\"ac27428\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b38c346 elementor-widget elementor-widget-text-editor\" data-id=\"b38c346\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"padding-left: 40px;\"><span style=\"font-weight: normal;\"><span style=\"color: #0f72bb;\">Projets en cours<\/span><\/span><\/h3><ul><li style=\"text-align: left;\">2024-2025 : <strong>Projet Agri-Mine<\/strong>. <em>Potentiel de reconversion agricole d\u2019un territoire minier \u00e0 l\u2019\u00e9preuve de la cartographie socio-environnementale: le cas de la r\u00e9gion de Midelt (Maroc)<\/em><\/li><li>2021-2025 : <strong>Projet ANR <a href=\"https:\/\/www.cerege.fr\/sciences\/environnement-durable\/projets-environnement-durable\/recall\/\">RECALL<\/a>.\u00a0<\/strong><em><em><em>Sustainable RECovery of vALuable metaLs in bauxite residue.<\/em><\/em><\/em><\/li><li>2020-2025\u00a0: <strong>Laboratoire Mixte International IRD <a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/environnement-durable\/projets-environnement-durable\/lmi-amir\/\">AMIR<\/a>.\u00a0<\/strong><em><em>Activit\u00e9s Mini\u00e8res Responsables au Maroc\u00a0: Enjeux, D\u00e9fis, Solutions.<\/em><\/em><\/li><li>2022-2025 : <strong>Projet Europ\u00e9en LEAP-RE RESTART.\u00a0<\/strong><em>REcycling of spent Li-ion batteries and end-life photovoltaic panels: From the development of metal recovery processes to the implementation of a START-up.<\/em><\/li><li>2020-2023 : <strong>Projet Institut ITEM\u00a0<\/strong><strong><a href=\"https:\/\/www.cerege.fr\/sciences\/environnement-durable\/projets-environnement-durable\/bioextract\/\">Bioextract<\/a>.\u00a0<\/strong><em>Le BIOmim\u00e9tisme au service <\/em><em><em>de l\u2019EXTRACtion des Terres rares issues de sources secondaires.<\/em><\/em><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Face \u00e0 une pression croissante sur les ressources min\u00e9rales, l\u2019\u00e9quipe s\u2019inscrit dans une logique d\u2019\u00e9conomie circulaire pour repenser toutes les \u00e9tapes de leur cycle de vie, et en particulier les [&hellip;]<\/p>\n","protected":false},"author":531,"featured_media":8446,"parent":829,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-22787","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-04-19 12:22:32","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/22787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/users\/531"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/comments?post=22787"}],"version-history":[{"count":5,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/22787\/revisions"}],"predecessor-version":[{"id":28580,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/22787\/revisions\/28580"}],"up":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/829"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/media\/8446"}],"wp:attachment":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/media?parent=22787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}