Activated bleaching earth for cotton seed oil 1.Bleaching earth characters: 1) strong decoloring-ability 2) good absorption 3) low free acid 2. Bleaching earth working: Emerge and separate some matters, such as pigment, colloid, impurity, dram heavy metal in lipid which can cause oxidant and activator toxic. 3. Bleaching earth usage: Broadly speaking, activated bleaching earth finds use in following fields: 1) refining of vegetable oils like : Cottonseed, soyabean, sunflower, rapeseed, mustard, peanut, coconut, corn, olive, rice bran, palm, linseed, castor, tung oil and so on. 2) refining of hydrogenated vanaspati ghee oils, margarine & shortening. 3) refining of animal fats like tallow oil, fish oil, lard oil. 4) refining of mineral oils like: - paraffin and waxes - insulating oil - rolling oil - white oil - waste oil (lubricating oil) - vaseline - olefin. Packing: in 25 kg bags with inner.