Research on the preparation and application mechanism of coal slime collector made from waste cooking oil

To solve the problem of shortage of energy in the world and rational utilization the waste cooking oil,taking the waste cooking as raw material,concentrated sulfuric acid as catasyzer and using transesterification method prepared coal slime collector called WOC.Flotation test were carried out separately using WOC and 0^# diesel for different coal slime.The results show that using WOC is better than 0^# diesel.WOC can be used as coal slime collector.