{"id":7236,"date":"2019-08-23T16:24:20","date_gmt":"2019-08-23T08:24:20","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=solutions&p=7236"},"modified":"2019-09-25T15:13:53","modified_gmt":"2019-09-25T07:13:53","slug":"traitement-du-lithium","status":"publish","type":"solutions","link":"https:\/\/www.jxscmachine.com\/fr\/solutions\/lithium-processing\/","title":{"rendered":"Lithium"},"content":{"rendered":"
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\"Lithium\"<\/div>\n\t\t<\/figure>\n\t<\/div>\n
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Type<\/strong>
\n\u00c9l\u00e9ment (Min\u00e9raux\/ Minerais de)<\/p>\n

Classification des min\u00e9raux<\/strong>
\nSilicate<\/p>\n

Formule chimique<\/strong>
\np\u00e9talite (LiAl(Si2O5)2, l\u00e9pidolite K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2, spodum\u00e8ne LiAl(SiO3)2<\/p>\n

Trait<\/strong>
\nBlanc, incolore (p\u00e9talite)<\/p>\n

Duret\u00e9 Mohs<\/strong>
\n2.5-3 (l\u00e9pidolite), 6-6.5 (p\u00e9talite), 6.5-7 (spodum\u00e8ne)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Syst\u00e8me de cristaux<\/strong>
\nMonoclinique<\/p>\n

Couleur<\/strong>
\nviolet, ros\u00e9, argent, gris (l\u00e9pidolite), gris, rose (p\u00e9talite), blanc gris\u00e2tre, violet p\u00e2le, vert p\u00e2le (spodum\u00e8ne)<\/p>\n

\u00c9clat<\/strong>
\nVitreux, nacr\u00e9<\/p>\n

Fracture<\/strong>
\nsubconcho\u00efdale (p\u00e9talite et spodum\u00e8ne), irr\u00e9guli\u00e8re (l\u00e9pidolite)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

<\/div>

Description<\/h2><\/div><\/div>\n\t
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Le lithium est un \u00e9l\u00e9ment pr\u00e9cieux pour la production de verre, de produits en aluminium et de batteries. Il est extrait de minerais de p\u00e9talite (LiAl(Si2O5)2, de l\u00e9pidolite K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2, de spodum\u00e8ne LiAl(SiO3)2 et de saumures souterraines. L'Australie et le Chili sont les plus grands producteurs de lithium au monde.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Relation avec l'exploitation mini\u00e8re<\/h2><\/div><\/div>\n\t
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Le lithium a \u00e9t\u00e9 d\u00e9couvert pour la premi\u00e8re fois dans le min\u00e9ral p\u00e9talite. La l\u00e9pidolite et le spodum\u00e8ne sont d'autres min\u00e9raux courants qui contiennent du lithium. Les quantit\u00e9s commerciales de ces trois min\u00e9raux se trouvent dans un d\u00e9p\u00f4t de roche ign\u00e9e sp\u00e9cial que les g\u00e9ologues appellent pegmatite. Dans les pegmatites, le magma se refroidit si lentement que les cristaux ont le temps de devenir tr\u00e8s grands. La l\u00e9pidolite \u00e9tant un type de mica, ses cristaux se transforment en longues feuilles minces.<\/p>\n

Les ressources en lithium sont d\u00e9taill\u00e9es dans les USGS Mineral Commodities Summaries.<\/p>\n

L'exploitation mini\u00e8re du lithium :<\/p>\n

Le lithium est souvent r\u00e9cup\u00e9r\u00e9 \u00e0 partir de saumures ou d'eau contenant une forte concentration de carbonate de lithium. Les saumures souterraines pi\u00e9g\u00e9es dans la cro\u00fbte terrestre sont une source majeure de carbonate de lithium. Ces sources sont moins co\u00fbteuses \u00e0 exploiter que les roches telles que le spodum\u00e8ne, la p\u00e9talite et d'autres min\u00e9raux contenant du lithium.<\/p>\n

La production de saumure de lithium commence par le pompage de la saumure dans des bassins d'\u00e9vaporation. Pendant 12 \u00e0 18 mois, la concentration de la saumure augmente jusqu'\u00e0 6 000 ppm de Li gr\u00e2ce \u00e0 l'\u00e9vaporation solaire. Lorsque le chlorure de lithium atteint une concentration optimale, le liquide est pomp\u00e9 vers une usine de r\u00e9cup\u00e9ration et trait\u00e9 avec du carbonate de soude, pr\u00e9cipitant le carbonate de lithium, qui est ensuite filtr\u00e9, s\u00e9ch\u00e9 et exp\u00e9di\u00e9.<\/p>\n

Les 5 m\u00e9thodes les plus utiles pour l'extraction du lithium<\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n

<\/div>

Utilisations<\/h2><\/div><\/div>\n\t
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Les compos\u00e9s du lithium sont utilis\u00e9s dans les c\u00e9ramiques et le verre, dans la production d'aluminium primaire, dans la fabrication de lubrifiants et de graisses, dans les propulseurs de fus\u00e9es, dans la synth\u00e8se de la vitamine A, dans les soudures \u00e0 l'argent, dans les dispositifs de flottabilit\u00e9 sous-marine et, de plus en plus, dans les batteries.<\/p>\n

Les piles au lithium s'av\u00e8rent \u00eatre une alternative efficace et abordable aux piles traditionnelles, ainsi qu'\u00e0 de nouvelles applications. Plus de 50% de lithium extrait sont utilis\u00e9s dans les piles. Cette utilisation a r\u00e9cemment augment\u00e9 rapidement, entra\u00eenant une hausse de l'extraction du lithium pour fournir le lithium n\u00e9cessaire aux batteries.<\/p>\n

Le lithium est m\u00e9lang\u00e9 \u00e0 d'autres m\u00e9taux l\u00e9gers tels que l'aluminium et le magn\u00e9sium pour former des alliages solides et l\u00e9gers (un alliage est un m\u00e9lange de m\u00e9taux).<\/p>\n

Une partie du lithium, sous forme de carbonate de lithium ou de citrate de lithium, est utilis\u00e9e comme m\u00e9dicament pour traiter la goutte (inflammation des articulations) et pour traiter les maladies mentales graves.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

<\/div>

Affaires connexes<\/h2><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Type \u00c9l\u00e9ment (min\u00e9raux\/ressources de) Classification min\u00e9rale Silicate Formule chimique p\u00e9talite (LiAl(Si2O5)2, l\u00e9pidolite K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2, spodum\u00e8ne LiAl(SiO3)2 Trait Blanc, incolore (p\u00e9talite) Duret\u00e9 Mohs 2,5-3 (l\u00e9pidolite), 6-6,5 (p\u00e9talite), 6.5-7 (spodum\u00e8ne) Syst\u00e8me cristallin Monoclinique Couleur pourpre, rose, argent, gris (l\u00e9pidolite), gris, rose (p\u00e9talite), blanc gris\u00e2tre, pourpre p\u00e2le, vert p\u00e2le (spodum\u00e8ne) \u00c9clat Vitreux, nacr\u00e9 Fracture subconcho\u00efdale (p\u00e9talite et spodum\u00e8ne), irr\u00e9guli\u00e8re ... Continuer la lecture de Lithium<\/span><\/a>","protected":false},"author":1,"featured_media":7237,"parent":0,"menu_order":24,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-7236","solutions","type-solutions","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nLithium Processing | Equipment, Process Flow, Cases - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Lithium processing description from its geology mineral property to how to extract mineral from rock and placer deposit, related processing plant flow chart and layout design.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jxscmachine.com\/fr\/solutions\/traitement-du-lithium\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lithium Processing | Equipment, Process Flow, Cases - 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