... any chemicals. 2.Friendly environment. Used Black Motor Oil To Diesel Fuel Oil:Series JZC waste oil pyrolysis ... quality, impurities, moisture, acid quality, organic acids and inorganic acids from oil, also it can get rid ... of the carbon particles, deep oxides and other fine impurities which disperse in oil. ... sludge, the sludge is purity carbon materials and no any oil, it can be processed into ...