{"id":96188,"date":"2019-02-04T11:26:58","date_gmt":"2019-02-04T11:26:58","guid":{"rendered":"https:\/\/\/surconsommation-la-table-periodique-des-elements-amenes-a-disparaitre\/"},"modified":"2019-02-04T11:26:58","modified_gmt":"2019-02-04T11:26:58","slug":"surconsommation-la-table-periodique-des-elements-amenes-a-disparaitre","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/surconsommation-la-table-periodique-des-elements-amenes-a-disparaitre\/","title":{"rendered":"Surconsommation : la table p\u00e9riodique des \u00e9l\u00e9ments amen\u00e9s \u00e0 dispara\u00eetre"},"content":{"rendered":"<p><span class=\"tlid-translation translation\">Environ 10 millions de smartphones sont jet\u00e9s ou remplac\u00e9s chaque mois dans la seule Union europ\u00e9enne. La European Chemical Society (EuChemS), qui repr\u00e9sente plus de 160 000 chimistes, a travaill\u00e9 avec les chercheurs de St Andrews pour faire un inventaire de la disponibilit\u00e9 restante des 90 \u00e9l\u00e9ments et leurs vuln\u00e9rabilit\u00e9s, y compris leur extraction dans des zones de conflit.<\/span><\/p>\n<p><span class=\"tlid-translation translation\">Les t\u00e9l\u00e9phones intelligents utilisent environ 30 \u00e9l\u00e9ments dont la disponibilit\u00e9 pour plus de la moiti\u00e9 est pr\u00e9occupante dans les ann\u00e9es \u00e0 venir en raison de leur raret\u00e9 croissante &#8211; que ce soit en raison de ressources limit\u00e9es, de leur emplacement dans des zones de conflit ou de l&rsquo;incapacit\u00e9 actuelle de les recycler. Le tableau met en \u00e9vidence les menaces pesant sur les approvisionnements en gallium, en arsenic, en zinc et m\u00eame en argent, ainsi que sur les probl\u00e8mes croissants pos\u00e9s pour les approvisionnements en cobalt, lithium et platine.<\/span><\/p>\n<p><span class=\"tlid-translation translation\">\u00abIl est remarquable que tout dans notre monde soit compos\u00e9 de 90 blocs de construction, les 90 \u00e9l\u00e9ments chimiques naturels. La quantit\u00e9 totale de chacun d&rsquo;entre eux est limit\u00e9e et nous en utilisons certains tellement vite qu&rsquo;ils auront disparus dans moins de 100 ans \u00ab\u00a0, a d\u00e9clar\u00e9 le professeur David Cole-Hamilton, professeur \u00e9m\u00e9rite de chimie \u00e0 St Andrews.<\/span><\/p>\n<p><span class=\"tlid-translation translation\">2019 est l\u2019Ann\u00e9e internationale des Nations Unies pour la Table P\u00e9riodique (IYPT2019) et le 150e anniversaire de la description du syst\u00e8me p\u00e9riodique par le scientifique Dmitri Mendeleev.<\/span><\/p>\n<p>La r\u00e9daction vous conseille \u00e9galement:<\/p>\n<p><a href=\"https:\/\/www.electronique-eci.com\/news\/la-voiture-electrique-deja-en-panne-par-manque-de-lithium-et-de-cobalt\">La voiture \u00e9lectrique d\u00e9j\u00e0 en panne par manque de Lithium et de Cobalt?<\/a><\/p>\n<p><a href=\"http:\/\/www.electronique-eci.com\/news\/les-batteries-magnesium-une-alternative-au-lithium\">Les batteries magn\u00e9sium, une alternative au lithium<\/a><\/p>\n<p><a href=\"http:\/\/www.electronique-eci.com\/news\/eau-sel-batterie-low-cost\">Eau + Sel = Batterie low cost ?<\/a><\/p>\n<p><a href=\"http:\/\/www.electronique-eci.com\/news\/une-start-pour-des-batteries-se-rechargeant-de-plus-en-plus-vite\">Une start-up pour des batteries se rechargeant de plus en plus vite<\/a><\/p>\n<p><a href=\"http:\/\/www.st-andrews.ac.uk\">www.st-andrews.ac.uk<\/a><\/p>\n<p><strong>Related stories in English:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.eenewspower.com\/news\/bmw-leads-project-sustainable-cobalt-mining\">BMW LEADS PROJECT FOR SUSTAINABLE COBALT MINING<\/a><\/li>\n<li><a href=\"https:\/\/www.eenewspower.com\/news\/hundreds-battery-gigafactories-are-needed-electric-vehicles\">HUNDREDS OF BATTERY GIGAFACTORIES ARE NEEDED FOR ELECTRIC VEHICLES<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Des chimistes de l\u2019Universit\u00e9 de St Andrews en \u00c9cosse ont mis au point une version du tableau p\u00e9riodique mettant en \u00e9vidence la raret\u00e9 des \u00e9l\u00e9ments utilis\u00e9s dans des appareils courants tels que les batteries et l\u2019\u00e9lectronique grand public.<\/p>\n","protected":false},"author":22,"featured_media":96189,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[909,913],"domains":[47],"ppma_author":[1149],"class_list":["post-96188","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-batteries-power-supplies-fr","tag-materials-processes-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title><\/title>\n<meta name=\"description\" content=\"Des chimistes de l\u2019Universit\u00e9 de St Andrews en \u00c9cosse ont mis au point une version du tableau p\u00e9riodique mettant en \u00e9vidence la raret\u00e9 des \u00e9l\u00e9ments...\" \/>\n<meta name=\"robots\" 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