... for Waste Oil Recycling1)Raw Material:High quality bentonite and high quality concentrated sulfuric acid2)Feature:Sub-white powder, ... odorless,tasteless,non-toxic3)Usage:♦Used for decoloring,refining and purifying minerals, ... oil,paraffin wax,gasoline,grease,kerosene,white oil,vaseline,etc.♦Used for recycling and regeneration of industrial waste ...