{"id":2837,"date":"2023-09-20T09:12:25","date_gmt":"2023-09-20T09:12:25","guid":{"rendered":"https:\/\/afrikmanagement.com\/?p=2837"},"modified":"2023-09-19T14:06:09","modified_gmt":"2023-09-19T14:06:09","slug":"hydrogene-vert-quest-ce-que-cest","status":"publish","type":"post","link":"https:\/\/afrikmanagement.com\/index.php\/2023\/09\/20\/hydrogene-vert-quest-ce-que-cest\/","title":{"rendered":"Hydrog\u00e8ne vert : qu&rsquo;est-ce que c&rsquo;est ?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">L&rsquo;<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/chimie-hydrogene-14495\/\"><span style=\"font-weight: 400;\">hydrog\u00e8ne<\/span><\/a><span style=\"font-weight: 400;\">\u00a0est l&rsquo;<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/chimie-element-chimique-15852\/\"><span style=\"font-weight: 400;\">\u00e9l\u00e9ment chimique<\/span><\/a><span style=\"font-weight: 400;\">\u00a0le plus abondant sur la plan\u00e8te ; il est pr\u00e9sent dans 75 % de la\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/matiere-matiere-15841\/\"><span style=\"font-weight: 400;\">mati\u00e8re<\/span><\/a><span style=\"font-weight: 400;\">. Cependant, on ne le trouve jamais seul, mais en compagnie d&rsquo;autres \u00e9l\u00e9ments chimiques tels que l&rsquo;oxyg\u00e8ne formant l&rsquo;eau ou le\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/chimie-carbone-3873\/\"><span style=\"font-weight: 400;\">carbone<\/span><\/a><span style=\"font-weight: 400;\">\u00a0formant les compos\u00e9s organiques.<\/span><\/p>\n<p><b>Comment se cr\u00e9e\u00a0l&rsquo;hydrog\u00e8ne vert ?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">La technologie permettant de cr\u00e9er de l&rsquo;hydrog\u00e8ne vert repose sur la transformation de l&rsquo;<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/questions-reponses\/chimie-produit-on-hydrogene-6280\/\"><span style=\"font-weight: 400;\">hydrog\u00e8ne<\/span><\/a><span style=\"font-weight: 400;\">, il s&rsquo;agit d&rsquo;un\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/physique-combustible-3604\/\"><span style=\"font-weight: 400;\">combustible<\/span><\/a><span style=\"font-weight: 400;\">\u00a0universel, l\u00e9ger et tr\u00e8s\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/chimie-reactif-4105\/\"><span style=\"font-weight: 400;\">r\u00e9actif<\/span><\/a><span style=\"font-weight: 400;\">, par un processus chimique appel\u00e9\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/physique-electrolyse-339\/\"><span style=\"font-weight: 400;\">\u00e9lectrolyse<\/span><\/a><span style=\"font-weight: 400;\">. Cette m\u00e9thode utilise un\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/maison\/definitions\/maison-courant-electrique-10622\/\"><span style=\"font-weight: 400;\">courant \u00e9lectrique<\/span><\/a><span style=\"font-weight: 400;\">\u00a0pour s\u00e9parer l&rsquo;hydrog\u00e8ne de l&rsquo;oxyg\u00e8ne dans l&rsquo;eau. Si cette \u00e9lectricit\u00e9 est obtenue \u00e0 partir de sources renouvelables, nous produirons donc de l&rsquo;<\/span><a href=\"https:\/\/www.futura-sciences.com\/planete\/questions-reponses\/metiers-environnement-energie-verte-decouvrez-5-metiers-avenir-13334\/\"><span style=\"font-weight: 400;\">\u00e9nergie verte<\/span><\/a><span style=\"font-weight: 400;\">\u00a0sans \u00e9mettre de dioxyde de carbone dans l&rsquo;atmosph\u00e8re.<\/span><\/p>\n<p><b>Quelle est la diff\u00e9rence entre hydrog\u00e8ne vert\u00a0et\u00a0l&rsquo;hydrog\u00e8ne gris ?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">L&rsquo;hydrog\u00e8ne gris est traditionnellement produit \u00e0 partir de m\u00e9thane (CH4), s\u00e9par\u00e9 par de la vapeur d&rsquo;eau en CO2,\u00a0le principal responsable du\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/planete\/definitions\/changement-climatique-rechauffement-climatique-13827\/\"><span style=\"font-weight: 400;\">changement climatique<\/span><\/a><span style=\"font-weight: 400;\">,\u00a0et en H2, l&rsquo;hydrog\u00e8ne. De plus en plus, l&rsquo;hydrog\u00e8ne gris est \u00e9galement produit \u00e0 partir du charbon, avec des\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/planete\/questions-reponses\/gaz-effet-serre-co2-emettent-centrales-charbon-17689\/\"><span style=\"font-weight: 400;\">\u00e9missions de CO2<\/span><\/a><span style=\"font-weight: 400;\">\u00a0nettement plus \u00e9lev\u00e9es par unit\u00e9 d&rsquo;hydrog\u00e8ne produite, \u00e0 tel point qu&rsquo;il est souvent appel\u00e9 hydrog\u00e8ne brun ou noir au lieu de gris. Il est produit \u00e0 l&rsquo;\u00e9chelle industrielle aujourd&rsquo;hui, avec des\u00a0<\/span><a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/physique-emission-389\/\"><span style=\"font-weight: 400;\">\u00e9missions<\/span><\/a><span style=\"font-weight: 400;\">\u00a0associ\u00e9es comparables aux \u00e9missions combin\u00e9es du Royaume-Uni et de l&rsquo;Indon\u00e9sie. Il n&rsquo;a aucune valeur de transition \u00e9nerg\u00e9tique, bien au contraire.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;hydrog\u00e8ne\u00a0est l&rsquo;\u00e9l\u00e9ment chimique\u00a0le plus abondant sur la plan\u00e8te ; il est pr\u00e9sent dans 75 % de la\u00a0mati\u00e8re. Cependant, on ne le trouve jamais seul, mais en compagnie d&rsquo;autres \u00e9l\u00e9ments chimiques tels que l&rsquo;oxyg\u00e8ne formant l&rsquo;eau ou le\u00a0carbone\u00a0formant les compos\u00e9s organiques. Comment se cr\u00e9e\u00a0l&rsquo;hydrog\u00e8ne vert ? La technologie permettant de cr\u00e9er de l&rsquo;hydrog\u00e8ne vert repose sur la transformation de l&rsquo;hydrog\u00e8ne, il s&rsquo;agit d&rsquo;un\u00a0combustible\u00a0universel, l\u00e9ger et tr\u00e8s\u00a0r\u00e9actif, par un processus chimique appel\u00e9\u00a0\u00e9lectrolyse. Cette m\u00e9thode utilise un\u00a0courant \u00e9lectrique\u00a0pour s\u00e9parer l&rsquo;hydrog\u00e8ne de l&rsquo;oxyg\u00e8ne dans l&rsquo;eau. Si cette \u00e9lectricit\u00e9 est obtenue \u00e0 partir de sources renouvelables, nous produirons donc de l&rsquo;\u00e9nergie verte\u00a0sans \u00e9mettre de dioxyde [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2901,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2837","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-developement-rse"],"_links":{"self":[{"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/posts\/2837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/comments?post=2837"}],"version-history":[{"count":1,"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/posts\/2837\/revisions"}],"predecessor-version":[{"id":2838,"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/posts\/2837\/revisions\/2838"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/media\/2901"}],"wp:attachment":[{"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/media?parent=2837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/categories?post=2837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afrikmanagement.com\/index.php\/wp-json\/wp\/v2\/tags?post=2837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}