... adsorption, hydrophilic property, surface activity and catalysis, It can adsorbe and eliminate mineral materials as pitch, neutral ... and can also absorb and eliminate the pigment, aflatoxin and the carcinogenic substance of 3-4 benzpyrene in vegetable ... and refinement of lubricant, paraffin wax, and vaseline, the decolorization of animal and vegetable oil, and the purification of honey, wax and ...