本研究先以水浸实现砷碱渣中的砷锑分离,再对水浸渣进行盐酸浸出,得到了可作为工业原料氯化锑溶液。研究结果表明,在液固比为6∶1,温度40℃,浸出时间40 m in的条件下,可使水浸过程中锑的浸出率低于3%,砷的浸出率达到99%;盐酸浸出中,控...本研究先以水浸实现砷碱渣中的砷锑分离,再对水浸渣进行盐酸浸出,得到了可作为工业原料氯化锑溶液。研究结果表明,在液固比为6∶1,温度40℃,浸出时间40 m in的条件下,可使水浸过程中锑的浸出率低于3%,砷的浸出率达到99%;盐酸浸出中,控制酸浓度为1∶1,液固比10∶1,温度60℃,浸出时间30 m in,能使锑的浸出率达到88%以上。经过水浸和盐酸浸出,锑的直接回收率为85.36%。展开更多
基金Project(2019YFC1907405)supported by the National Key R&D Program of ChinaProjects(52064021,52074136)supported by the National Natural Science Foundation of China+6 种基金Project(20204BCJL23031)supported by the Jiangxi Provincial Cultivation Program for Academic and Technical Leaders of Major Subjects,ChinaProject(20202ACB213002)supported by the Jiangxi Provincial Science Fund for Distinguished Young Scholars,ChinaProject(2019KY09)supported by the Merit-based Postdoctoral Research in Jiangxi Province,ChinaProject(JXUSTQJBJ2020004)supported by the Program of Qingjiang Excellent Young TalentsJiangxi University of Science and Technology,ChinaProject(2021ACB204015)supported by the Distinguished Professor Program of Jinggang Scholars in Institutions of Higher LearningNatural Science Foundation of Jiangxi Province,China。
文摘本研究先以水浸实现砷碱渣中的砷锑分离,再对水浸渣进行盐酸浸出,得到了可作为工业原料氯化锑溶液。研究结果表明,在液固比为6∶1,温度40℃,浸出时间40 m in的条件下,可使水浸过程中锑的浸出率低于3%,砷的浸出率达到99%;盐酸浸出中,控制酸浓度为1∶1,液固比10∶1,温度60℃,浸出时间30 m in,能使锑的浸出率达到88%以上。经过水浸和盐酸浸出,锑的直接回收率为85.36%。