Preparation of pure SbCl_3 from lead anode slime bearing high antimony and low silver

曹华珍; 陈进中; 袁海军; 郑国渠

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Preparation of pure SbCl_3 from lead anode slime bearing high antimony and low silver

机译：用高锑低银铅阳极泥制备纯SbCl_3。

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摘要

A novel treatment process of lead anode slime bearing high antimony and low silver was developed by a potential-controlled chloridization leaching and continuous distillation.The experimental results show a high Sb 3+ concentration,489.2 g/L,in the leaching solution for two-stage countercurrent leaching process,and the leaching rates of Sb,Cu,Bi more than 99% when the potential is controlled at 450 mV.When the leaching solution is distillated and concentrated at 120°C,almost all the silicon compound is evaporated into the concentration distillate and exists as amorphous hydrated silica.By the continuous distillation,high pure SbCl3 could be prepared,and AsCl3 is enriched in the distillate while metals Bi,Cu are enriched in the continuous distillation residue.As a result,the recovery rate of Sb is more than 95%.

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来源
《中国有色金属学报：英文版》 |2010年第012期|P.2397-2403|共7页
作者
曹华珍; 陈进中; 袁海军; 郑国渠;
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作者单位

of;

Chemical;

Engineering;

and;

Materials,;

Zhejiang;

University;

of;

Technology,;

Hangzhou;

310014,;

China;

of;

Science;

and;

Technology,;

Guangxi;

China;

Tin;

Group;

Co.,;

Ltd.,;

Liuzhou;

545006,;

China;

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原文格式 PDF
正文语种 CHI
中图分类 TQ135.31;
关键词
铅阳极泥; 三氯化锑; 制备; 连续蒸馏; 电位控制; 氯化浸出; 浸出工艺; 硅化合物;

机译：铅阳极泥;三氯化锑;制备;连续蒸馏;电位控制;氯化浸出;浸出工艺;硅化合物;

Preparation of pure SbCl_3 from lead anode slime bearing high antimony and low silver

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