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低酸浸出-溶剂萃取法从含铟渣中回收铟曾冬铭,舒万艮,刘又年,雷存喜(中南大学化学化工学院,长沙410083)摘要:用正交实验法研究从复杂含铟冶炼渣中回收铟的低酸浸出-溶剂萃取工艺,探讨铟锑分离的条件。含铟锑渣用2mol/LH2SO4和30～40g/LNaCl两段逆流浸取,浸出温度100℃,铟的浸出率为80%。用P204-磺化煤油体系,相比O/A为1∶3,水相保持浸出液酸度,3级逆流萃取,铟的萃取率达98%以上,用30g/L草酸溶液2次洗脱负载有机相中的锑,脱除率99%... 2025-05-0283104.43 KB4页24
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