... to refine oil ,used in soya bean oil,sunflower oil,corn oil,plam oil,castor oil,cotten seed oil,sung oil ,mineral oil,Lubricating oil ,olefin ... impurities have a strong adsorption of vegetable oil, industrial oil a variety of pigment decolorization rate of ... oil. 5) chemical catalysts, separating agents, desiccant, carrier and other products. Activated Bentonite Clay for Castor Oil, soya oil, cotton oil ...