Konstantin L. Timofeev, Alexey A. Korolev, Gennady I. Maltsev
{"title":"Processing of Sb-Pb-Sn-Containing Materials","authors":"Konstantin L. Timofeev, Alexey A. Korolev, Gennady I. Maltsev","doi":"10.18502/kms.v6i1.8070","DOIUrl":null,"url":null,"abstract":"During the processing of lead containing products and polymetallic alloys the recovery of tin and antimony from technology of lead production is carried out by oxidation refining of decopperized lead with rich oxides (Sn, Sb ≥ 20%).Tin oxides are melted in a short-drum furnaces to lead bullion (> 96% Pb) and tin-rich (> 20% Sn) slag. The slag is melted in an ore-smelting furnace to obtain a Sn-Pb alloy of next composition, %: 56.1 Sn, 18.2 Pb, 14.6 Sb, 6.9 As, which is refined by vacuum distillation with production of rough tin (Sn ≥ 90%). The additional profit of rough tin obtainment (∼310 tons/year), compared with sales of tin slag, is about ∼1.3 million $/year. \nKeywords: lead, tin, antimony, melting, vacuum distillation","PeriodicalId":17908,"journal":{"name":"KnE Materials Science","volume":"51 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"KnE Materials Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.18502/kms.v6i1.8070","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
During the processing of lead containing products and polymetallic alloys the recovery of tin and antimony from technology of lead production is carried out by oxidation refining of decopperized lead with rich oxides (Sn, Sb ≥ 20%).Tin oxides are melted in a short-drum furnaces to lead bullion (> 96% Pb) and tin-rich (> 20% Sn) slag. The slag is melted in an ore-smelting furnace to obtain a Sn-Pb alloy of next composition, %: 56.1 Sn, 18.2 Pb, 14.6 Sb, 6.9 As, which is refined by vacuum distillation with production of rough tin (Sn ≥ 90%). The additional profit of rough tin obtainment (∼310 tons/year), compared with sales of tin slag, is about ∼1.3 million $/year.
Keywords: lead, tin, antimony, melting, vacuum distillation
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