{"id":735,"date":"2009-08-26T09:40:16","date_gmt":"2009-08-26T09:40:16","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/08\/26\/les-autorites-chinoises-envisageraient-de-limiter-les-exportations-de-terres-rares\/"},"modified":"2012-07-12T11:49:28","modified_gmt":"2012-07-12T11:49:28","slug":"les-autorites-chinoises-envisageraient-de-limiter-les-exportations-de-terres-rares","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/08\/26\/les-autorites-chinoises-envisageraient-de-limiter-les-exportations-de-terres-rares\/","title":{"rendered":"Les autorit\u00e9s chinoises envisageraient de limiter les exportations de terres rares"},"content":{"rendered":"<p>&#160;Les Terres Rares, classe bien \u00e0 part dans la Table de Mendele\u00efev, sont des \u00e9l\u00e9ments strat\u00e9giques de plus en plus utilis\u00e9s dans les industries de pointe. Le Lanthane et le C\u00e9rium sont largement utilis\u00e9s dans les batteries Ni-MH, le N\u00e9odyme et le Samarium sont utilis\u00e9s dans les aimants permanents de moteurs et de g\u00e9n\u00e9rateurs de courant des \u00e9oliennes, l&#039;Europium permet de r\u00e9aliser des lasers, le Terbium entre dans la composition des produits photoluminescents des ampoules \u00e0 faible consommation d&#039;\u00e9nergie, etc. Ces terres rares sont produites dans le monde \u00e0 95% par la Chine, en Mongolie Int\u00e9rieure, situation \u00e9minemment insoutenable.<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a575e502970c-pi.jpg\"><img decoding=\"async\" alt=\"Mendeleev-lanthanides\" class=\"at-xid-6a00d83451b18369e20120a575e502970c \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a575e502970c-450wi.jpg\" \/><\/a> <\/p>\n<p>&#160;&#160;D&#039;apr\u00e8s le Daily Telegraph, un projet de limitation des exportations chinoises des terres rares les plus abondantes et d&#039;interdiction d&#039;exportation des plus recherch\u00e9es circulerait dans les bureaux du Minist\u00e8re de l&#039;Industrie \u00e0 P\u00e9kin. La raison invoqu\u00e9e et fort plausible: la Chine va avoir besoin de ces produits pour ses besoins industriels, elle ne va donc plus pouvoir les exporter en masse.<\/p>\n<p>&#160;&#160;La reprise des productions de ces ressources dans d&#039;autres r\u00e9gions du monde, va devoir \u00eatre acc\u00e9l\u00e9r\u00e9e. Les Etats-Unis, l&#039;Australie et certains pays de l&#039;ancien bloc sovi\u00e9tique disposent de ressources. Une augmentation des prix de ces&#160;\u00e9l\u00e9ments devrait permettre de relancer certains projets abandonn\u00e9s dans les ann\u00e9es 90, lors de la d\u00e9ferlante des produits chinois sur le march\u00e9. Leur recyclage, pratiqu\u00e9 au Japon par exemple (Toyota, Sumitomo Metals), devra \u00e9galement \u00eatre pris plus au s\u00e9rieux.<\/p>\n<p>&#160;<a href=\"http:\/\/www.telegraph.co.uk\/finance\/comment\/ambroseevans_pritchard\/6082464\/World-faces-hi-tech-crunch-as-China-eyes-ban-on-rare-metal-exports.html\" target=\"_blank\" title=\"Telegraph rare earth\">LIRE<\/a> le papier du Daily Telegraph.<\/p>\n<p>Le 26 Ao\u00fbt 2009<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160;Les Terres Rares, classe bien \u00e0 part dans la Table de Mendele\u00efev, sont des \u00e9l\u00e9ments strat\u00e9giques de plus en plus utilis\u00e9s dans les industries de pointe. Le Lanthane et le C\u00e9rium sont largement utilis\u00e9s dans les batteries Ni-MH, le N\u00e9odyme et le Samarium sont utilis\u00e9s dans les aimants permanents de moteurs et de g\u00e9n\u00e9rateurs de [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":20804,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[195,327],"class_list":["post-735","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-china","tag-rae-earth"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les autorit\u00e9s chinoises envisageraient de limiter les exportations de terres rares - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/08\/26\/les-autorites-chinoises-envisageraient-de-limiter-les-exportations-de-terres-rares\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Les autorit\u00e9s chinoises envisageraient de limiter les exportations de terres rares - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160;Les Terres Rares, classe bien \u00e0 part dans la Table de Mendele\u00efev, sont des \u00e9l\u00e9ments strat\u00e9giques de plus en plus utilis\u00e9s dans les industries de pointe. 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