{"id":1113,"date":"2020-06-05T07:47:36","date_gmt":"2020-06-05T07:47:36","guid":{"rendered":"https:\/\/aluminiumceramicfiber.com\/?p=1113"},"modified":"2020-10-28T05:46:33","modified_gmt":"2020-10-28T05:46:33","slug":"aluminum-extraction-process","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/ar\/aluminum-extraction-process\/","title":{"rendered":"\u0639\u0645\u0644\u064a\u0629 \u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645"},"content":{"rendered":"<p>Electrolytic aluminum is aluminum obtained by electrolysis, it is an important aluminum extraction process. The modern electrolytic aluminum industry uses cryolite-alumina molten salt electrolysis. Molten cryolite is a solvent, alumina is used as a solute, carbon is used as an anode, and aluminum liquid is used as a cathode. After the powerful direct current is applied, the electrochemical reaction is carried out on the two electrodes in the electrolytic cell at 950\u00b0C-970\u00b0C.<\/p>\n<p>Aluminum is produced by electrolysis in industry. The aluminum electrolysis industrial production adopts Hall-Heroult process. The cryolite-based fluoride salt is used as the flux, and the alumina is the melt to form the multiphase electrolyte system.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3758\" src=\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/06\/Aluminum-Extraction-Process.jpg\" alt=\"\u0639\u0645\u0644\u064a\u0629 \u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645\" width=\"600\" height=\"500\" srcset=\"https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/06\/Aluminum-Extraction-Process.jpg 600w, https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/06\/Aluminum-Extraction-Process-300x250.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u062a\u0628\u062f\u064a\u0644<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.aluminiumceramicfiber.com\/ar\/aluminum-extraction-process\/#Aluminum_Extraction_Process\" >\u0639\u0645\u0644\u064a\u0629 \u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.aluminiumceramicfiber.com\/ar\/aluminum-extraction-process\/#Extraction_of_Aluminium_from_Alumina\" >Extraction of Aluminium from Alumina<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Aluminum_Extraction_Process\"><\/span>\u0639\u0645\u0644\u064a\u0629 \u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The reduction unit of an aluminum plant consists of reduction pots or cells which are connected in series. Each pot is made of a steel shell lined with carbon.<\/p>\n<p>Molten cryolite (a fluoride mineral) containing aluminum oxide is poured into each pot and carbon electrodes are inserted into the solution from the top.<\/p>\n<p>As the current passes through the cryolite solution, aluminum separates from oxygen, forming carbon dioxide gas. Liquid aluminum collects at the bottom of the pot.<\/p>\n<p>Liquid alumina is then sucked from the reduction pots at regular intervals into vacuum buckets. This is transferred into a furnace and cast into ingots in molds, or by a continuous casting machine.<\/p>\n<p>Aluminum produced through this process is approximately 99.8% pure. AdTech offers hot top casting parts (<a href=\"https:\/\/www.aluminiumceramicfiber.com\/ar\/portfolio\/distributing-launder\/\">\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u063a\u0633\u064a\u0644<\/a>, Ceramic Sprue Bush, Hot Top Casting Cap), aluminum liquid flow control products (Alumina Porcelain Rod, <a href=\"https:\/\/www.aluminiumceramicfiber.com\/ar\/portfolio\/tap-out-cone\/\">\u0645\u062e\u0631\u0648\u0637 \u00ab\u062a\u0627\u0628 \u0622\u0648\u062a\u00bb<\/a> ) for continuous casting.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3757\" src=\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/06\/Aluminum-Extraction-Process-1.jpg\" alt=\"\u0639\u0645\u0644\u064a\u0629 \u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/06\/Aluminum-Extraction-Process-1.jpg 500w, https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/06\/Aluminum-Extraction-Process-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Extraction_of_Aluminium_from_Alumina\"><\/span>Extraction of Aluminium from Alumina<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Aluminum electrolysis process: Cryolite-alumina molten salt electrolysis is used in modern aluminum industry production. The chemical reaction mainly proceeds through this equation: 2Al2O3+3C==4Al+ 3CO2\u2191. Anode: 2O2\u02c9+C-4e\u02c9=CO2\u2191 Cathode: Al3++3e\u02c9=Al.<\/p>\n<p>The anode products are mainly carbon dioxide and carbon monoxide gas, which contains a certain amount of harmful gases such as hydrogen fluoride and solid dust. In order to protect the environment and human health, the anode gas needs to be purified, and harmful gases and dust should be removed and discharged into the atmosphere.<\/p>\n<p>The cathode product is aluminum liquid. The aluminum liquid is drawn from the tank by vacuum bag lifting and sent to the casting workshop. After being purified and clarified in the holding furnace, it cast into aluminum ingots or directly processed into wire billets.<\/p>","protected":false},"excerpt":{"rendered":"<p>Electrolytic aluminum is aluminum obtained by electrolysis, it is an important aluminum extraction process. The modern electrolytic aluminum industry uses cryolite-alumina molten salt electrolysis. Molten cryolite is a solvent, alumina is used as a solute, carbon is used as an anode, and aluminum liquid is used as a cathode. After the powerful direct current is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3758,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[1196,1197],"class_list":["post-1113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminum-extraction-process","tag-extraction-of-aluminium-from-bauxite-ore"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Aluminum Extraction Process,Extraction of Aluminium From Bauxite Ore<\/title>\n<meta name=\"description\" content=\"Electrolytic aluminum is aluminum obtained by electrolysis, it is an important aluminum extraction process. 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