8MUKHERJEE A B, ZEVENHOVEN R, BRODERSEN J, HYLANDER L D, BHATTACHARYA R Mercury in waste in the European Union: Sources, disposal methods and risks[J]. Resources, Conservation & Recycling, 2004, 42: 155-182.
9AMINIAN H, BAZIN C. Solvent extraction equilibria in copper(II)-iron(III)-LIX984 system[J]. Minerals Engineering, 2000, 13(6): 667-672.
10PARHI P K, PANIGRAHI S, SARANGI K, NATHSARMA K C. Separation of cobalt and nickel from ammoniacal sulphate solution using Cyanex 272[J]. Separation and Purification Technology, 2008, 59(3): 310-317.
