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有色金属(冶炼部分):2015,(7):17-20
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炼锡废渣中锡的湿法富集工艺研究
于聪,童霏,王慧慧,孙杨铖,葛明敏,周全法
(江苏理工学院,江苏理工学院,江苏理工学院,江苏理工学院,江苏理工学院,江苏理工学院)
Study on Tin Enrichment by Wet Process from Tin-smelting Waste Slag
Yu Cong,Tong Fei,Wang Huihui,Sun Yangcheng,Ge Mingmin and Zhou Quanfa
(Jiangsu University of Technology,Key Laboratory of Precious Metal Chemistry and Technology of Jiangsu Province,,,,,)
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投稿时间:2015-01-30     修订日期:2015-02-04     录用日期:2015-02-05     网络发布日期:2015-06-23
中文摘要: 以电弧炉炼锡产生的废渣为原料,盐酸为浸出剂,在温度40 ℃、液固比25︰1(mL/g)、搅拌速度250 r/min的条件下进行锡的富集。废渣中的锡含量由1.82%富集到13.61%,富集后的废渣再经酸浸、锌置换处理后,最终获得纯度98%的金属锡,锡回收率达99.5%,硅组分和钙组分的脱除率分别达到83.42%和94.21%,可以作为副产物出售,实现二次资源化。
中文关键词: 炼锡废渣  锡  回收  酸浸
Abstract:Tin was enriched from tin-smelting waste slag in electric arc furnace with hydrochloric acid as leaching agent under the conditions including temperature of 40 ℃, ratio of liquid to solid of 25︰1(mL/g), and stirring rate of 250 r/min. The results show that tin content in slag is enriched from 1.82% to 13.61%, and metal tin with purity of 98% is recovered with tin recovery of 99.5% from enriched slag by further acid-leaching and zinc replacement. The removal rate of silica and calcium, which can be sold as by-products, is 83.42% and 94.21% respectively.
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基金项目:国家科技支撑计划项目(2014BAC03B06);江苏省科技支撑计划项目(BE2012645)
引用文本:
于聪,童霏,王慧慧,孙杨铖,葛明敏,周全法.炼锡废渣中锡的湿法富集工艺研究[J].有色金属(冶炼部分),2015(7):17-20.
Yu Cong,Tong Fei,Wang Huihui,Sun Yangcheng,Ge Mingmin,Zhou Quanfa.Study on Tin Enrichment by Wet Process from Tin-smelting Waste Slag[J].Nonferrous Metals (Extractive Metallurgy),2015(7):17-20.

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