
The effect of mode of occurrence of galena and sphalerite
In most plants, sodium cyanide is usually used in conjunction with zinc sulphate for the effective depression of sphalerite from Cu-Pb-Zn sulphide ore at alkaline pH values. Examples are presented in Table I.2 The metallurgical results of the Rosh Pinah plant are also given for comparison purposes. As seen in Table I, the dosage ratio of
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