Roasting Arsenical Gold Ores and Concentrates

IT IS the purpose of this _paper to review the subject of roasting as preparation of refractory gold ores and concentrates for cyanidation, with particular reference to operations at the mill of Beattie Gold Mines (Que.), Ltd ., Duparquet, Quebec. Two earlier papers relating to the Beattie roasting operations (1,2) are cited as background to the present discussion, and more general reference is made to other publications relating to geology and metallurgy at Beattie (3,4,5).
Keywords: Arsenic, arsenic, arsenious oxide, arsenopyrite, cyanide, roasting, Concentrate, Concentrates, Gold, Ore, Ores, Roasters, Roasting, Temperature
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