Palladium(II) removal from chloride and chloride-nitrate solutions by chelating ion-exchangers containing N-donor atoms

被引：43
作者：
Hubicki, Z.
Leszczynska, M.
Lodyga, B.
Lodyga, A.
机构：
[1] Marie Curie Sklodowska Univ, Fac Chem, Dept Inorgan Chem, PL-20031 Lublin, Poland
[2] Fertilizer Res Inst, PL-24100 Pulawy, Poland
来源：
MINERALS ENGINEERING | 2006年 / 19卷 / 13期
关键词：
palladium; ion-exchange; hydrometallurgy; precious metal ores;
D O I：
10.1016/j.mineng.2006.01.004
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The chelating ion-exchangers of functional iminodiacetate (Amberlite IRC-718), amidoxime (Duolite ES-346) and aminophosphonic (Duolite C-467) groups have been applied for Pd(II) removal from the model chloride (0.1-6.0 M HCl) and chloride-nitrate (0.1-0.9 M HCl and 0.9-0.1 M HNO3 and 0.1-1.5 M HCl and 1.9-0.5 M HNO3) solutions. The total ion-exchange capacities as well as recovery factors of Pd(II) were determined by the batch method. The influence of acid concentrations, phase contact time and macrocomponent addition (AlCl3, CuCl2, NiCl2) was studied. The results show that the ion-exchangers of functional amidoxime and iminodiacetate groups can be widely recommended for Pd(II) ion removal from anodic slimes, and used up catalysts, as well as Pd(II) trace analysis due to their high selectivity. (c) 2006 Elsevier Ltd. All rights reserved.
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收藏
页码：1341 / 1347
页数：7
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