... (Oil Distillation) equipment is special for regenerating the black waste oil, including waste engine oil, lube oil, hydraulic oil, gear oil, ... the cooling system, the liquid oil treated by the special tanks to desulfurize and decolor. Series HCY can demulsify and improve ... friendly machine, during the process it just generates less waste (sludge), the waste (Sludge) doesn't contains any oil, so it ...