用椰壳炭从开路银电解液中富集铂、钯试验研究

Hang CHEN,Yongfeng ZHANG,Jianhui WU,Shuiping ZHONG,Hongfu LIN,Huanran ZHANG,Jianqiang LIU,Jun'e WANG

Hydrometallurgy of China（2017）

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Abstract

针对开路银电解液中铂钯浓度低、难回收的特点,研究了采用椰壳炭富集铂、钯.试验结果表明:在液固体积质量比72∶1条件下吸附120 min,银电解液中铂、钯吸附率分别达98%和85%以上;在硝酸质量浓度200 g/L、液固体积质量比8∶1条件下解吸80 min,负载于椰壳炭上的铂、钯的解吸率分别达86.95%和91.65%.工业试验结果表明,银电解液中铂、钯可分别富集至3.54 g/L和62.12 g/L,富集效果较好.

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