摘要
研究了不对称亚砜BSO萃取废导线溶解液中钯、铜、镍的性能,结果表明,BSO浓度为0.5 mol.L-1,盐酸浓度2 mol.L-1,相比(O/A)=1,萃取时间5 min时,钯的萃取率为99.6%,铜的萃取率为4.1%,镍的萃取率几乎为零,从而实现钯与铜和镍间的分离。用氯化铵-氨水溶液反萃载钯有机相,反萃率为96.2%。钯的总直收率为93.9%。
The extraction properties of palladium, copper and nickel from the solution of waste wire with unsymmetrical sulfoxide BSO were studied. The results showed that extraction percentage of palladium was 99.6% by unsymmetrical sulfoxide BSO, and that of copper was 4.1%, while nickel was near nil under the conditions of 0. 5 mol· L^-1 ratio of phase O/A = 1 and 5 ganic phase of loaded palladi nium chloride-ammonia ＇ BSO, 2 mol· L^-1 HC1, min extraction time. Orum is stripped by ammosolution and the stripping percentage of palladium was 96.2%. The percentage of direct recovery of palladium was 93.9%
出处
《稀有金属》
EI
CAS
CSCD
北大核心
2007年第2期224-227,共4页
Chinese Journal of Rare Metals
关键词
BSO
萃取回收
钯
铜
镍
BSO
extraction separation
palladium
copper
nickel
