{"id":7263,"date":"2019-08-23T16:45:17","date_gmt":"2019-08-23T08:45:17","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=solutions&#038;p=7263"},"modified":"2019-09-25T15:16:36","modified_gmt":"2019-09-25T07:16:36","slug":"traitement-du-molybdene","status":"publish","type":"solutions","link":"https:\/\/www.jxscmachine.com\/fr\/solutions\/molybdenum-processing\/","title":{"rendered":"Molybd\u00e8ne"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div  class=\"wpb_single_image wpb_content_element vc_align_left wpb_content_element\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<div class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"333\" src=\"https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/08\/Molybdenum.jpg\" class=\"vc_single_image-img attachment-full\" alt=\"Molybd\u00e8ne\" title=\"Molybd\u00e8ne\" srcset=\"https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/08\/Molybdenum.jpg 500w, https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/08\/Molybdenum-300x200.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/div>\n\t\t<\/figure>\n\t<\/div>\n<div class=\"vc_row wpb_row vc_inner vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-6\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><strong>Type<\/strong><br \/>\n\u00c9l\u00e9ment (Min\u00e9raux\/ Minerais de)<\/p>\n<p><strong>Classification des min\u00e9raux<\/strong><br \/>\nSulfure<\/p>\n<p><strong>Formule chimique<\/strong><br \/>\nMolybd\u00e9nite (MoS2) ; wulf\u00e9nite (Pb(MoO4))<\/p>\n<p><strong>Trait<\/strong><br \/>\nGris bleut\u00e9 (molybd\u00e9nite) ; blanc (wulf\u00e9nite)<\/p>\n<p><strong>Duret\u00e9 Mohs<\/strong><br \/>\n1-1,5 (molybd\u00e9nite) ; 3 (wulf\u00e9nite)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-6\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><strong>Syst\u00e8me de cristaux<\/strong><br \/>\nHexagonal (molybd\u00e9nite) ; t\u00e9tragonal (wulf\u00e9nite)<\/p>\n<p><strong>Couleur<\/strong><br \/>\nNoir, gris argent\u00e9 (molybd\u00e9nite) ; jaune, orange, rouge, gris, blanc (wulf\u00e9nite)<\/p>\n<p><strong>\u00c9clat<\/strong><br \/>\nM\u00e9tallique (molybd\u00e9nite) ; vitreux (wulf\u00e9nite)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div id=\"ultimate-heading-20076a20f96591d97\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-20076a20f96591d97 uvc-9207\" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-20076a20f96591d97 h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"font-weight:bold;color:#1e73be;\">Description<\/h2><\/div><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Le molybd\u00e8ne (\u00e9l\u00e9ment #42, symbole Mo) est un \u00e9l\u00e9ment m\u00e9tallique, gris plomb, dont le point de fusion est \u00e9lev\u00e9 (4 730 degr\u00e9s Fahrenheit). Ce point est sup\u00e9rieur de 2 000 degr\u00e9s au point de fusion de l'acier et de 1 000 degr\u00e9s \u00e0 la temp\u00e9rature de fusion de la plupart des roches. Le molybd\u00e8ne a \u00e9t\u00e9 d\u00e9couvert par Carl Wilhelm Scheele en 1778, puis isol\u00e9 et nomm\u00e9 par Peter Jacob Hjelm en 1781.<\/p>\n<p>La source la plus importante de molybd\u00e8ne est le min\u00e9ral molybd\u00e9nite ; une quantit\u00e9 mineure est r\u00e9cup\u00e9r\u00e9e \u00e0 partir du min\u00e9ral wulfenite. Le molybd\u00e8ne est g\u00e9n\u00e9ralement r\u00e9cup\u00e9r\u00e9 comme sous-produit ou coproduit de l'extraction du cuivre. Les \u00c9tats-Unis produisent des quantit\u00e9s importantes de molybd\u00e9nite. Les principaux producteurs de molybd\u00e8ne en 2013 \u00e9taient la Chine, les \u00c9tats-Unis, le Chili, le P\u00e9rou, le Mexique et le Canada.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div id=\"ultimate-heading-47836a20f96591dee\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-47836a20f96591dee uvc-2351\" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-47836a20f96591dee h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"font-weight:bold;color:#1e73be;\">Relation avec l'exploitation mini\u00e8re<\/h2><\/div><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Le molybd\u00e8ne est le principal sulfure m\u00e9tallique dans les grands gisements porphyriques de molybd\u00e8ne \u00e0 faible teneur et comme sulfure m\u00e9tallique associ\u00e9 dans les gisements porphyriques de cuivre \u00e0 faible teneur. Les ressources en molybd\u00e8ne sont suffisantes pour r\u00e9pondre aux besoins mondiaux dans un avenir pr\u00e9visible.<\/p>\n<p>Lorsque le molybd\u00e8ne se trouve dans des gisements de cuivre \u00e0 faible teneur, il est g\u00e9n\u00e9ralement extrait par des m\u00e9thodes \u00e0 ciel ouvert et r\u00e9cup\u00e9r\u00e9 comme sous-produit du raffinage du cuivre. Lorsque le molybd\u00e8ne forme son propre gisement porphyrique \u00e0 faible teneur, la concentration de molybd\u00e8ne peut \u00eatre suffisante pour justifier le co\u00fbt d'une exploitation souterraine.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div id=\"ultimate-heading-39736a20f96591e23\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-39736a20f96591e23 uvc-2260\" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-39736a20f96591e23 h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"font-weight:bold;color:#1e73be;\">Utilisations<\/h2><\/div><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Le molybd\u00e8ne est un mat\u00e9riau important pour les industries chimiques et des lubrifiants. Le \"Moly\" est utilis\u00e9 comme catalyseur, pigment de peinture, inhibiteur de corrosion, retardateur de fum\u00e9e et de flamme, lubrifiant sec, sur les v\u00e9hicules spatiaux et r\u00e9siste \u00e0 des charges et des temp\u00e9ratures \u00e9lev\u00e9es. En tant que m\u00e9tal pur, le molybd\u00e8ne est utilis\u00e9 comme filament dans les ampoules \u00e9lectriques, les matrices pour le travail des m\u00e9taux et les pi\u00e8ces de four. Il est alli\u00e9 \u00e0 l'acier, ce qui le rend plus solide et plus r\u00e9sistant \u00e0 la chaleur. Les industries du fer et de l'acier repr\u00e9sentent plus de 75% de la consommation de molybd\u00e8ne.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div id=\"ultimate-heading-82926a20f96591e51\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-82926a20f96591e51 uvc-671\" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-82926a20f96591e51 h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"font-weight:bold;color:#1e73be;\">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 Sulfure Formule chimique Molybd\u00e9nite (MoS2) ; wulf\u00e9nite (Pb(MoO4)) Trait Gris bleut\u00e9 (molybd\u00e9nite) ; blanc (wulf\u00e9nite) Duret\u00e9 Mohs 1-1.5 (molybd\u00e9nite) ; 3 (wulf\u00e9nite) Syst\u00e8me cristallin Hexagonal (molybd\u00e9nite) ; t\u00e9tragonal (wulf\u00e9nite) Couleur Noir, gris argent\u00e9 (molybd\u00e9nite) ; jaune, orange, rouge, gris, blanc (wulf\u00e9nite) \u00c9clat M\u00e9tallique (molybd\u00e9nite) ; vitreux (wulf\u00e9nite) Description Le molybd\u00e8ne (\u00e9l\u00e9ment #42, symbole Mo) est ... <a href=\"https:\/\/www.jxscmachine.com\/fr\/solutions\/molybdenum-processing\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Molybd\u00e8ne<\/span><\/a>","protected":false},"author":1,"featured_media":7265,"parent":0,"menu_order":28,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-7263","solutions","type-solutions","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - 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