Waste Black Engine Oil Purifier skype?nakin.purifier Series JZS engine oil regeneration system is mainly for regenerating the waste engine oil. This equipment can effective separate water, gas, particles, deeply oxides, free carbon, colloid, asphalt and wax from oil, making black engine oil become transparent golden color. This machine has the functions of dewatering, degassing, decolor. It can improve the engine oil's properties, restoring the o