1.HCY series waste motor oil re-refining equipment is able to regenerate waste mineral oil 2.eliminate the black oil , acid ... To remove metal particles,asphalt,wax,impurity,water,acid,organic acid or mineral acid to make base oil of lube oil or diesel.It is very suitable for oil blending companies who intend to make their own base oil and also oil refineries.The base oil from this machine could ...