... 1) Refining of Vegetable oils like :Cottonseed, Soyabean, Sunflower, Rapeseed, Mustard, Peanut, Coconut, Corn, Olive, Ricebran, Palm, Linseed, Castor, ... tung oil and so on. 2) Refining of hydrogenated vanaspati ghee oils, Margarine & shortening. ... oil, fish oil, lard oil.4) Refining of Mineral Oils like:- paraffin and waxes- insulating oil- rolling oil- ...