... speaking, activated clay finds use in following fields:1) Refining of Vegetable oils like :Cottonseed, Soyabean, Sunflower, Rapeseed, Mustard, Peanut, ... 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- ...