2012•Hydrometallurgy of ChinaRequires access

Recovery of Gold,Platinum and Palladium From Platinum-Palladium Concentrate

Xingxiang Fan

Abstract

Gold,platinum and palladium were recovered from platinum-palladium concentrate by the process ofchloridizing leaching-reducing gold with sodium sulfite-precipitating platinum with ammonium chloride-precipitating palladium with ammonia.The results showed that purity of spongy platinum and spongy palladium are over 99.95%,total yield are over 98%.

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Key concepts: Palladium, Platinum, Chemistry, Inorganic chemistry, Sodium sulfite, Ammonia, Nuclear chemistry, Sodium