The bleaching earth can be used to decolorize and refine the edible oil,such as the harmful pigment(Red and yellow pigments),phospholipid,soapelement and so on,and Make it become the high-class oil. Activated Bleaching Earth/fuller earth/bentonite clay Characters: 1)Strong decoloring-ability 2)Good adsorption 3)Higher in activity degree Working: Emerge and separate some matters,such as pigment,colloid,impurity,dram heavy metal in lipid which can cause oxidant and activator toxic.