{"id":3681,"date":"2020-08-16T07:33:09","date_gmt":"2020-08-16T07:33:09","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=3681"},"modified":"2020-08-19T06:04:13","modified_gmt":"2020-08-19T06:04:13","slug":"molten-aluminum-purification-technology","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/molten-aluminum-purification-technology\/","title":{"rendered":"Technologie de purification de l'aluminium fondu"},"content":{"rendered":"<p>La technologie de purification de l'aluminium fondu constitue l'un des axes prioritaires de la recherche sur les alliages d'aluminium. En r\u00e9duisant la teneur en gaz et les inclusions pr\u00e9sentes dans l'aluminium fondu, on am\u00e9liore continuellement la puret\u00e9 de ce dernier, ce qui permet d'optimiser les performances globales de l'alliage d'aluminium. Afin de permettre un recyclage et une valorisation efficaces des d\u00e9chets d\u2019aluminium et d\u2019obtenir des produits en aluminium recycl\u00e9 hautement performants, le d\u00e9veloppement d\u2019une technologie de purification de l\u2019aluminium fondu adapt\u00e9e \u00e0 l\u2019aluminium recycl\u00e9 constitue un travail essentiel pour am\u00e9liorer la qualit\u00e9 de la masse d\u2019aluminium fondu.<\/p>\n<h2>Technologie de purification de l'aluminium fondu<\/h2>\n<p>Il existe de nombreuses m\u00e9thodes de classification des technologies de purification des coul\u00e9es d'alliages d'aluminium, parmi lesquelles on distingue principalement les trois cat\u00e9gories suivantes : \u2460 Selon le mode de traitement : on distingue deux cat\u00e9gories : en continu et par intermittence ; \u2461 Selon le lieu de purification : on distingue deux cat\u00e9gories : la purification en four et la purification hors four ; \u2462 Selon le principe de purification : on distingue deux cat\u00e9gories : la purification par adsorption et la purification sans adsorption (filtration).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3683\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/08\/Molten-Aluminum-Purification-Technology-2.jpg\" alt=\"Technologie de purification de l&#039;aluminium fondu\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/08\/Molten-Aluminum-Purification-Technology-2.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/08\/Molten-Aluminum-Purification-Technology-2-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Le proc\u00e9d\u00e9 de flottation par bulles est un proc\u00e9d\u00e9 de purification de l'aluminium fondu mis au point dans les ann\u00e9es 1970 et 1980, principalement utilis\u00e9 pour l'\u00e9limination de l'hydrog\u00e8ne. Apr\u00e8s des ann\u00e9es de d\u00e9veloppement, diverses m\u00e9thodes d'injection de bulles ont vu le jour. D\u00e8s le d\u00e9but, le syst\u00e8me \u00e0 tube unique a \u00e9t\u00e9 perfectionn\u00e9 pour passer \u00e0 un syst\u00e8me \u00e0 tubes multiples, et l'injection statique a c\u00e9d\u00e9 la place \u00e0 l'injection rotative dynamique, le <a href=\"http:\/\/www.alalloycasting.com\/fr\/degassing-refining\/\">d\u00e9gazage et raffinage<\/a> Les r\u00e9sultats n'ont cess\u00e9 de s'am\u00e9liorer. \u00c0 l'heure actuelle, ces techniques sont principalement repr\u00e9sent\u00e9es par la m\u00e9thode SNIF, la m\u00e9thode Alpur, la m\u00e9thode RDU, la m\u00e9thode MINT, la m\u00e9thode Heproject et la technologie LARS.<\/p>\n<p>La filtration est une m\u00e9thode de purification qui consiste \u00e0 faire passer le bain fondu d'alliage d'aluminium \u00e0 travers un <a href=\"http:\/\/www.alalloycasting.com\/fr\/ceramic-foam-filter\/\">filtre en mousse c\u00e9ramique<\/a> ou un <a href=\"http:\/\/www.alalloycasting.com\/fr\/cff-filter-box\/\">Bo\u00eetier de filtre CFF<\/a> pour s\u00e9parer les inclusions solides en suspension dans la masse fondue. Les principaux mat\u00e9riaux filtrants sont notamment le tissu de verre, les tubes c\u00e9ramiques microporeux en corindon et les mousses c\u00e9ramiques.<\/p>\n<p>Les pays \u00e0 la pointe au niveau international dans le domaine de la transformation de l'aluminium ont mis au point un grand nombre de technologies de pointe pour le traitement et la purification des alliages d'aluminium. Les g\u00e9ants mondiaux de l'aluminium, repr\u00e9sent\u00e9s notamment par Alcoa, la filiale d'Alcoa du groupe Rio Tinto, la soci\u00e9t\u00e9 russe United Aluminum Corporation et la soci\u00e9t\u00e9 norv\u00e9gienne Hydro Aluminum, occupent une position de leader incontest\u00e9 tant sur le plan technologique que sur le march\u00e9 de la transformation de l'aluminium.<\/p>","protected":false},"excerpt":{"rendered":"<p>Molten aluminum purification technology is one of the focuses of aluminum alloy research. By reducing the gas content and inclusions in the molten aluminum, the&hellip;<\/p>","protected":false},"author":1,"featured_media":3682,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[3789,3809,3807,3808,3806,3790,3812,3816,3815,3814,3813,3817,3818,3811,3819,3791,3794,3801,3810,3792,3805,3795,3796,3800,3799,3797,3798,3802,3803,3804,3793],"class_list":["post-3681","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-molten-aluminum-purification-technology-alcoa-norway-mosjoen-works","tag-molten-aluminum-purification-technology-aluminium-norway","tag-molten-aluminum-purification-technology-aluminum-norway","tag-molten-aluminum-purification-technology-aluminum-plant-in-norway","tag-molten-aluminum-purification-technology-aluminum-smelter-norway","tag-molten-aluminum-purification-technology-ardal-primary-productionhaas","tag-molten-aluminum-purification-technology-benteler-aluminium","tag-molten-aluminum-purification-technology-benteler-aluminium-norway","tag-molten-aluminum-purification-technology-benteler-aluminium-raufoss","tag-molten-aluminum-purification-technology-benteler-aluminium-systems","tag-molten-aluminum-purification-technology-benteler-aluminium-systems-sweden-ab","tag-molten-aluminum-purification-technology-benteler-aluminum","tag-molten-aluminum-purification-technology-benteler-aluminum-systems","tag-molten-aluminum-purification-technology-elkem-aluminium-norway","tag-molten-aluminum-purification-technology-farsund-aluminium-benteler","tag-molten-aluminum-purification-technology-hoyanger-primary-productionhaas","tag-molten-aluminum-purification-technology-hydro-husnes","tag-molten-aluminum-purification-technology-hydro-norway-aluminium","tag-molten-aluminum-purification-technology-kapp-aluminium-norway","tag-molten-aluminum-purification-technology-karmoy-primary-production-haas","tag-molten-aluminum-purification-technology-marine-aluminum-norway","tag-molten-aluminum-purification-technology-norway-aluminium","tag-molten-aluminum-purification-technology-norway-aluminium-company","tag-molten-aluminum-purification-technology-norway-aluminium-industry","tag-molten-aluminum-purification-technology-norway-aluminium-producers","tag-molten-aluminum-purification-technology-norway-aluminium-production","tag-molten-aluminum-purification-technology-norway-aluminium-smelter","tag-molten-aluminum-purification-technology-norway-aluminum","tag-molten-aluminum-purification-technology-norway-aluminum-hack","tag-molten-aluminum-purification-technology-norway-aluminum-production","tag-molten-aluminum-purification-technology-sunndal-primary-productionhaas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Molten Aluminum Purification Technology,Metal Foam Filter<\/title>\n<meta name=\"description\" content=\"Molten aluminum purification technology is one of the focuses of aluminum alloy research. 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