2025-05-021556.59 KB2页30
2025-05-021297.33 KB3页22
2025-05-0211282.09 KB5页32
2025-05-0219363.08 KB1页28
2025-05-02137130.38 KB2页47
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
2025-05-0286334.75 KB4页19
2025-05-02143273.68 KB6页39
2025-05-02175320.28 KB2页39
2025-05-0292378.13 KB4页43
2025-05-0210081.88 KB3页26
2025-05-025786.5 KB4页33
2025-05-021321.75 KB23页47
2025-05-02142172.44 KB4页38
2025-05-026971 KB15页16
2025-05-021441017 B1页35
2025-05-02185131.9 KB4页48
2025-05-021174.89 KB2页25
2025-05-021695.1 KB2页18
2025-05-021031.98 KB1页15
