... good adsorption 3.low free acid activated clay for palm oil:1.activated clay characters: 1) strong decoloring-ability ... Mustard, Peanut, Coconut, Corn, Olive, Ricebran, Palm, Linseed, Castor, tung oil and so on. 2) Refining of hydrogenated vanaspati ghee ... Mineral Oils like:- paraffin and waxes- insulating oil- rolling oil- white oil- waste oil (lubricating oil) - vaseline - olefin 4. activated clay ...