低品位铂钯铑物料中贵金属的提取分离研究

Research on Extraction and Separation of Platinum, Rhodium and Palladium From Low Grade Resources

低品位贵金属物料提取的难度主要体现在贵金属成分从很低品位的物料中有效地富集及各贵金属元素从多元贵金属混合料中高效分离方面。介绍了采用Na2CO3焙烧法从低含量Pt、Pd、Rh废料中有效富集铂族金属,富集后的富料氧化造液,用溶剂萃取法实现Pt、Pd、Rh的高效分离和初步提纯。

It is difficult to extract precious metals concentration and separation. The paper reports a from low grade materials, and mainly reflect soda roasting-so/vent extraction process for platinum group metals from waste materials, which containing trace amounts of Pt, Pd and Rh, metals were concentrated effectively by soda roasting procedure, then dissolved into solution selectively by solvent extraction.