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- W2355764080 abstract "For the gold is wrapped by pyrite and arsenopyrite in the form of microscopic native gold,it was difficult to recovery gold-bearing pyrite concentration by traditional cyanation process.Further concentration was applied to reduce the impurity contents,such as calcium,magnesium,silica and aluminum gangue,and then high-purity of auriferous pyrite concentrates with sulfur 50.18% and iron 43.97% was obtained.Through the theoretical and experimental research on the auriferous pyrite concentrate in oxidation,the results showed that oxidation of arsenopyrite required the atmosphere of relatively weak oxidation with above temperature 550℃,while pyrite needed rich oxidation atmosphere with above temperature 750℃.Thus,two-stage roasting process was used to remove arsenic and sulfur.And pyrites calcine with high grade of iron(63.53%),low arsenic(0.13%) and sulfur(0.45%) was obtained.Good conditions to further gold extraction by chloridizing pelletizing craft and preparation of high quality iron pellets were created." @default.
- W2355764080 created "2016-06-24" @default.
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- W2355764080 date "2011-01-01" @default.
- W2355764080 modified "2023-09-26" @default.
- W2355764080 title "Study on Further Concentration and Removing Arsenic and Sulfur of Gold-bearing Pyrite Concentrate with High Arsenic" @default.
- W2355764080 hasPublicationYear "2011" @default.
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