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热酸浸出回收黄钾铁矾渣中有价元素
Authors
刘鹏飞
张亦飞
+3 more
江小舵
游韶玮
薄婧
Publication date
1 January 2016
Publisher
Abstract
实验研究了硫酸和盐酸对黄钾铁矾渣中Fe,Si,Zn,Pb的浸出工艺.结果表明,硫酸浸出黄钾铁矾渣的最佳工艺条件是反应温度95℃、反应时间2 h、搅拌速率300 r/min、硫酸浓度1.2 mol/L、液固质量比100:5,该条件下Fe,Zn的浸出率达80%.盐酸浸出黄钾铁矾渣的最佳工艺条件是反应温度95℃、盐酸浓度2.8 mol/L、搅拌速率400 r/min、反应时间1.5 h、液固质量比100:5,该条件下Fe,Zn,Pb的浸出率分别达83%,89%和99%.采用黄钾铁矾法可将浸出液中的Fe元素沉淀,所得黄钾铁矾渣进行无害化固定处理,得富含Zn元素的溶液.</p
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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Last time updated on 11/04/2021