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黄金冶炼过程含重金属氰化废水处理研究

Gold(2011)

Cited 2|Views14
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Abstract
采用SO2-空气法,对河南省某黄金冶炼厂含氰废水进行了治理试验研究,并主要考察了pH值、反应时间、SO2与O2的体积分数等对除氰效果的影响。对氰化物质量浓度为55 mg/L的废水,经一次处理后,氰化物去除率大于99%,其质量浓度为0.03 mg/L,低于地表水三类排放标准。同时,采用新型沉淀剂对废水中重金属(Cu、Zn、Pb、Cd、Hg等)进行去除试验,达到了较好的效果。
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Key words
heavy metal,cyanidation wastewater,new settlement agent,removal rate
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