Studies on Octylphenol Ethoxylate and Kerosene Synergistically Improving the Flotation of High-Ash Fine Coal
Aiming at the problems of low flotation yield and poor selectivity of traditional collectors for high-ash fine coal,octylphenol ethoxylate(OP-4)was used for the flotation of Shanxi anthracite coal in cooperation with kerosene,and the effects of the dosage of OP-4 and compounding method on the flotation of high-ash fine coal were investigated.The results showed that the flotation effect was better when OP-4 and kerosene were added stepwise than simultaneously,and the combustible recovery increased by 8.29%and the flotation perfection increased by 15.55%when 60 g/t OP-4 and 1 200 g/t kerosene were added stepwise than the pure kerosene.When the dosage of OP-4 was 120 g/t,the flotation perfection decreased instead.
万方数据
维普
