%0 Journal Article %T Recovery of Metal from Iron-chromium Residue by Means of Solvent Extraction
溶剂萃取法提取电镀污泥氨浸出渣中的金属资源 %A Zhu Wanpeng %A Ye Boqing %A Yang Zhihua %A Jiang Zhanpeng %A
万鹏 %A 叶波清 %A 杨志华 %A 蒋展鹏 %J 环境科学 %D 1998 %I %X A solvent extraction process for valuable metals recovery from residue left ammonia carbonate leaching of plating sludge has been developed.This process include sulfuric leaching of the residue,separation of Fe3+ using PC-88A-kerosene-H2SO4 extraction system,co-extraction of Cr3+ and Al3+ using saponated D2EHPA-kerosene-H2SO4 extraction system and stripping separation of Cr3+ and Al3+.The optimum operation parameters of each unit were determined in laboratory.The results showed that the recovery rates of chromium,aluminum and iron are all more than 95%.CrCl3·6H2O,Al2(SO4)3·18H2O and FeCl3·6H2O with high purity were obtained in this process and could be used as chemical reagents. %K extraction %K iron-chromium residue %K plating sludge %K optimum operation parameters %K recovery rate
电镀污泥 %K 废水处理 %K 重金属回收 %K 溶剂萃取 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=9EE8715476A2168C69EDD06B11BF689E&yid=8CAA3A429E3EA654&vid=2A8D03AD8076A2E3&iid=38B194292C032A66&sid=6209D9E8050195F5&eid=16D8618C6164A3ED&journal_id=0250-3301&journal_name=环境科学&referenced_num=14&reference_num=3