New process for extracting cadmium by ammonium-ammonia method
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HE Jing;TANG Motang;LIU Wei
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何静;唐谟堂;刘维
中南大学冶金科学与工程学院,湖南 长沙 410083
Abstract: A new process was proposed for extracting cadmium from cadmium-containing raw materials by the ammonium-ammonia method.Investigation on leaching in the process for treating an electric precipitation dust from ISP sintering factory was carried out.The best conditions were established as follows:the ratio of liquid to solid was 2.5,[NH3]/[NH4+]=3/5,total concentration of ammonium and ammonia was 8 mol8226;L-1,the leaching time was 1.5 h at 35℃.Under the above conditions, leaching rate of cadmium and its concentration in the leached solution was 90.99% and 8.74 g8226;L-1,respectively.
HE Jing;TANG Motang;LIU Wei.
何静;唐谟堂;刘维 . 氨法浸出提镉新工艺 [J]. CIESC Journal.
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https://hgxb.cip.com.cn/EN/Y2006/V57/I7/1727