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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 3    September 1995

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NEW METHOD OF EXTRACTING GOLD AND SILVER FROM HIGH SILVER-GOLD CONCENTRATES
Song Qingshuang1; Wang Dequan1;Cheng Jinju2

1.Department of Nonferrous Metallurgy; Northeastern University; Shenyang 110006;
2.Hebei Metallurgy Industry School; Shijiazhuang 050091

Abstract:Laboratory tests have been carried out to develop the new method of extracting silver by chloride leach and gold by sulphur-ammonia leach. Results showed that by the method recovery efficiency of gold and silver from the concentrate was more than 95%.

 

Key words: extraction of gold and silver; chloride leach; sulphur-ammonia leach; cementation

ISSN 1672-7029
CN 43-1423/U

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