{"id":7086,"date":"2019-08-23T14:36:32","date_gmt":"2019-08-23T06:36:32","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=solutions&#038;p=7086"},"modified":"2019-09-25T15:34:25","modified_gmt":"2019-09-25T07:34:25","slug":"traitement-de-la-diatomite","status":"publish","type":"solutions","link":"https:\/\/www.jxscmachine.com\/fr\/solutions\/diatomite-processing\/","title":{"rendered":"Diatomite"},"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\/diatomite.jpg\" class=\"vc_single_image-img attachment-full\" alt=\"diatomite\" title=\"diatomite\" srcset=\"https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/08\/diatomite.jpg 500w, https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/08\/diatomite-300x200.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/div>\n\t\t<\/figure>\n\t<\/div>\n<div id=\"ultimate-heading-92266a2114a706a3e\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-92266a2114a706a3e uvc-5793\" 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-92266a2114a706a3e 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 terme diatomite s'applique \u00e0 la fois g\u00e9ologiquement et commercialement \u00e0 l'accumulation s\u00e9dimentaire presque pure de frustules de diatom\u00e9es, les squelettes microscopiques d'algues aquatiques unicellulaires appartenant \u00e0 la classe des algues brunes dor\u00e9es, les Bacillariophyceae. Les s\u00e9diments sont \u00e0 grains fins, fortement siliceux et se composent principalement de silice opaline amorphe avec seulement de petites quantit\u00e9s de r\u00e9sidus organiques, de min\u00e9raux secondaires et de d\u00e9bris clastiques non diatomiques ou cristallins co-d\u00e9pos\u00e9s. Les synonymes couramment utilis\u00e9s sont la terre de diatom\u00e9es et le kieselghur. Une terminologie plus ancienne et obsol\u00e8te comprend la poudre de tripoli, la tripolite et la terre infusoire.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div id=\"ultimate-heading-15266a2114a706acf\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-15266a2114a706acf uvc-7816\" 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-15266a2114a706acf 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>Dans la majeure partie du monde, le co\u00fbt inf\u00e9rieur et le taux de r\u00e9cup\u00e9ration plus \u00e9lev\u00e9 des carri\u00e8res \u00e0 ciel ouvert par rapport aux mines souterraines encouragent les exploitants \u00e0 utiliser des m\u00e9thodes d'extraction \u00e0 ciel ouvert. Lorsque la s\u00e9quence de diatomite est \u00e9paisse, des bancs de 1,5 \u00e0 15 m de hauteur sont d\u00e9velopp\u00e9s. Ces bancs facilitent non seulement l'extraction du minerai et des d\u00e9chets, mais ils permettent \u00e9galement d'acc\u00e9der imm\u00e9diatement \u00e0 un plus grand nombre de couches et de m\u00e9langer des couches aux caract\u00e9ristiques diff\u00e9rentes. Les exceptions notables sont les mines souterraines d'Europe, d'Am\u00e9rique du Sud et d'Asie, ainsi que l'op\u00e9ration de dragage du lac Myvatn, en Islande.<\/p>\n<p>Avant l'exploitation, les strates de minerai sont soigneusement identifi\u00e9es dans les fronts de taille de la carri\u00e8re gr\u00e2ce \u00e0 des programmes d'\u00e9chantillonnage et d'\u00e9valuation qui d\u00e9terminent et confirment l'ad\u00e9quation de chaque strate. Les strates \u00e0 teneur en minerai peuvent ensuite \u00eatre class\u00e9es en fonction de leur qualit\u00e9 et soigneusement s\u00e9par\u00e9es des unit\u00e9s de d\u00e9chets de moindre qualit\u00e9 \u00e0 l'aide d'\u00e9quipements m\u00e9canis\u00e9s. La diatomite \u00e9tant un s\u00e9diment mou et facile \u00e0 briser, les minerais sont g\u00e9n\u00e9ralement arrach\u00e9s au bulldozer ou bris\u00e9s sur le front de taille \u00e0 l'aide d'une pelle m\u00e9canique. Le dynamitage des minerais n'est ni n\u00e9cessaire ni possible en raison de la mollesse inh\u00e9rente \u00e0 la diatomite de qualit\u00e9 commerciale, de sa porosit\u00e9 et de sa nature absorbante. Le mat\u00e9riau bris\u00e9 est charg\u00e9 par une chargeuse frontale ou une chargeuse \u00e0 courroie dans des camions pour \u00eatre transport\u00e9 vers la zone de stockage du brut ou vers les piles de d\u00e9chets.<\/p>\n<p>En r\u00e8gle g\u00e9n\u00e9rale, la teneur en eau du minerai non trait\u00e9 est comprise entre 30% et 60%. Lorsque le climat est favorable au s\u00e9chage solaire, il est possible de r\u00e9aliser d'importantes \u00e9conomies en r\u00e9duisant le taux d'humidit\u00e9 avant le broyage. Les qualit\u00e9s brutes peuvent \u00eatre m\u00e9lang\u00e9es ou utilis\u00e9es s\u00e9par\u00e9ment en fonction de l'application finale.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div id=\"ultimate-heading-75346a2114a706b1b\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-75346a2114a706b1b uvc-462\" 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-75346a2114a706b1b 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>En raison de sa porosit\u00e9, la diatomite a \u00e9t\u00e9 largement utilis\u00e9e comme filtre \u00e0 des fins diverses. Elle est utilis\u00e9e pour filtrer les impuret\u00e9s de tous les produits, de la bi\u00e8re au vin en passant par les huiles et les graisses. De m\u00eame, la diatomite est utilis\u00e9e pour filtrer les impuret\u00e9s de l'eau afin de produire de l'eau potable dans les syst\u00e8mes d'eau publique. Dans ce cas, la diatomite \u00e9limine les bact\u00e9ries et les protozoaires.<\/p>\n<p>L'utilisation la plus ancienne de la diatomite est celle d'un abrasif tr\u00e8s doux et, \u00e0 cette fin, elle a \u00e9t\u00e9 utilis\u00e9e dans le dentifrice et les produits de polissage des m\u00e9taux.<\/p>\n<p>Il est \u00e9galement utilis\u00e9 comme charge dans le papier, la peinture, la brique, la tuile, la c\u00e9ramique, les plastiques, les savons, les d\u00e9tergents et d'autres produits. Une charge est une substance qui augmente le volume d'un produit et\/ou remplit un espace.<\/p>\n<p>La diatomite s'est \u00e9galement r\u00e9v\u00e9l\u00e9e utile en tant que mat\u00e9riau isolant dans les m\u00e9canismes \u00e0 haute temp\u00e9rature tels que les fours et les chaudi\u00e8res. Elle s'est \u00e9galement r\u00e9v\u00e9l\u00e9e efficace en tant qu'isolant acoustique.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div id=\"ultimate-heading-11616a2114a706b58\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-11616a2114a706b58 uvc-7197\" 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-11616a2114a706b58 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":"Description Le terme diatomite s'applique \u00e0 la fois g\u00e9ologiquement et commercialement \u00e0 l'accumulation s\u00e9dimentaire presque pure de frustules de diatom\u00e9es, les squelettes microscopiques d'algues aquatiques unicellulaires appartenant \u00e0 la classe des algues brunes dor\u00e9es, les Bacillariophyceae. Les s\u00e9diments sont \u00e0 grains fins, fortement siliceux et se composent principalement de silice opaline amorphe avec seulement des quantit\u00e9s mineures de r\u00e9sidus organiques, de min\u00e9raux secondaires, ... <a href=\"https:\/\/www.jxscmachine.com\/fr\/solutions\/diatomite-processing\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Diatomite<\/span><\/a>","protected":false},"author":1,"featured_media":7092,"parent":0,"menu_order":57,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-7086","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 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diatomite Processing | Equipment, Flow, Cases - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Diatomite 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-de-la-diatomite\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diatomite Processing | Equipment, Flow, Cases - 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