{"id":4153,"date":"2014-08-03T19:14:07","date_gmt":"2014-08-03T14:14:07","guid":{"rendered":"http:\/\/ihte.ru\/?page_id=4153"},"modified":"2014-08-04T09:10:31","modified_gmt":"2014-08-04T04:10:31","slug":"bipolar-electrolyzer-for-black-lead-refining","status":"publish","type":"page","link":"https:\/\/ihte.ru\/?page_id=4153","title":{"rendered":"Bipolar electrolyzer for black lead refining"},"content":{"rendered":"<p style=\"text-align: justify;\">New electrolyzer construction for electrolytic refining of black lead from technogenic and secondary materials has been developed.<\/p>\n<p><strong>Processed materials<\/strong>:<\/p>\n<ul>\n<li>non-ferrous metallurgy solid wastes (grind, cake, copper,\u00a0 zinc and lead production mattes);<\/li>\n<li>secondary raw materials &#8212;\u00a0 waste lead-acid batteries.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Electric refining being performed in molten salts results in formation of grade lead as a ready product at the cathode and lead ligature at the anode: lead-stibium and lead-bismuth with definite stibium and bismuth concentrations containing metal impurities.<\/p>\n<p style=\"text-align: justify;\"><strong>Bipolar electrolyzer includes: <\/strong>frame made of heat resistant concrete, liquid metal anode and cathode, bipolar electrode, non-porous electroconductive diaphragm which divides space between anode and cathode. Electric scheme of the device allows setting the temperature in the range of 500-600 \u00b0\u0421 and the constant current intensity 300-1000 \u0410.\u00a0 The electrolyzer construction provides continuous electrorefining operation (black lead loading and cathode metal uploading).<\/p>\n<p style=\"text-align: justify;\">The bipolar electrolyzer with a current load of 500 and 1000 A \u00a0was successfully tested in semi-industrial conditions. The C1 grade lead test benches (GOST 3778-98 lad content not less than 99,985\u00a0 wt.%) and lead ligatures were obtained.<\/p>\n<p style=\"text-align: justify;\"><strong>Advantages: <\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\">Electrolyzer construction allows producing in a single operation pure metal which meets the world standards requirements related to controlled impurities concentration.<\/li>\n<li style=\"text-align: justify;\">High durability material for electrolyzer frame construction was proposed.<\/li>\n<li style=\"text-align: justify;\">Refining process efficiency increases due to the cathode current density rise.<\/li>\n<li style=\"text-align: justify;\">Electrolyzer operation reliability increases due to novel technological and construction concepts.<\/li>\n<li>\n<div style=\"text-align: justify;\" align=\"center\">Suggested construction can be used\u00a0to design\u00a0 devices for\u00a0 large tonnage production.<\/div>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>New electrolyzer construction for electrolytic refining of black lead from technogenic and secondary materials has been developed. Processed materials: non-ferrous metallurgy solid wastes (grind, cake, copper,\u00a0 zinc and lead production mattes); secondary raw materials &#8212;\u00a0 waste lead-acid batteries. Electric refining being performed in molten salts results in formation of grade lead as a ready product &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ihte.ru\/?page_id=4153\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":3215,"menu_order":24,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4153","page","type-page","status-publish","hentry","nodate","item-wrap"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bipolar electrolyzer for black lead refining - \u0418\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u043e\u0439 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0445\u0438\u043c\u0438\u0438<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ihte.ru\/?page_id=4153\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bipolar electrolyzer for black lead refining - \u0418\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u043e\u0439 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0445\u0438\u043c\u0438\u0438\" \/>\n<meta property=\"og:description\" content=\"New electrolyzer construction for electrolytic refining of black lead from technogenic and secondary materials has been developed. 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