Application of active bentonite clay: 1.In the petroleum industry for petroleum, grease paraffin, wax oil, kerosene and other minerals refining decolorization and purification and petroleum cracking. 2.In the food industry, used as wine and sugar juice clarification agent, beer stabilization treatment, saccharification treatment, sugar juice purification, etc. 3.In the chemical industry, used as catalyst, filler, desiccant, adsorbent, wastewater treatment flocculant.