Preparation of renewable collector from waste engine oil for clean flotation of fine coal with different oxidation degree

Hui Duan,Hong-hao Chang, Ling-xiao Gao, Kai-di Gai,Yue-xian Yu,Xian-jun Lyu,Xiang-nan Zhu

Fuel（2023）

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摘要

•Waste engine oil was successfully prepared into renewable collector for flotation.•The deepening of coal oxidation leads to the continuous decline of CC/CH content.•Grinding pretreatment can significantly enhance the floatability of oxidized coal.

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关键词

Fine oxidized coal,Waste engine oil,Renewable collector,Flotation kinetics,Clean flotation

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