According to the characteristics of large sand content,low grade,inset fine grain size in Chibaisong Cu,Ni ores,through testing study,chose the flotation technology of regrinding and refloating for middling and regrinding and refloating for roughening tailing,control ore sludge(vein stone) by cellulose,the JY406 as a controlling agent for parting Cu and Ni,the two kinds of technological processes all get relative satisfying testing indexes.
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