氯盐体系中锌焙砂中浸渣高温高酸还原浸出研究Study On Reductive Leaching of Neutral Leached Residue in Chloride System by High Concentration Acid and Reductive Agent at High Temperature
李诚国;唐谟堂;唐朝波;杨声海;李鸿飞;巨少华;陈永明;
摘要(Abstract):
提出了一种从高铟锌焙砂中浸渣中回收铟和铁的新工艺,对该工艺的关键工序———盐酸高温浸出和还原浸出进行了系统研究。结果表明,在高酸浸出优化条件下,锌、铁、铟的浸出率分别为98.98%,92.17%和99.30%;在还原浸出优化条件下,锌、铁、铟的浸出率及三价铁还原率分别为93.2%,97.19%,98.07%和98.67%。该工艺具有资源利用率高、锌铁易分离、易提纯等特点。
关键词(KeyWords): 锌焙砂;中浸渣;盐酸浸出;还原浸出;铟;锌
基金项目(Foundation): 国家863计划———硫化锌精矿中铁源的高值化利用湿法炼锌提铟新技术研究与开发(2004AA649080)
作者(Authors): 李诚国;唐谟堂;唐朝波;杨声海;李鸿飞;巨少华;陈永明;
DOI: 10.13355/j.cnki.sfyj.2005.04.006
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