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2018/11/12· Refractory ores Gold ores and concentrates containing arsenic, antimony and/or . Oxidation of selenocyanate to sel- enite can occur in alkaline solutions using Experimental Studies of Actinides in Molten Salts Los Alamos
gold ores and concentrates. However, the chemistry of arsenopyrite in relation to its dissolution, flotation, and electrochemistry has received little attention [6]. There- fore, in alkaline oxidizing conditions, arsenopyrite can be 4 ...
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72 Noble Metals solution of NaCN of 0.01% - 0.5% for ores, and for concentrates rich in gold and silver of 0.5 % -5 % (Parga et al., 2007). Details of this electrochemical reaction have received considerable attention and under certain
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1995/10/01· The aqueous pressure oxidation of gold bearing arsenopyrite concentrates in alkaline solution was investigated as a function of O2, pressure and NaOH concentration. Dissolution of gold from the ...
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2003/01/01· Over the past 15 years, numerous pressure oxidation plants for pretreatment of gold ores and concentrates have been installed throughout the world. While this technology is now established, it ...
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