... (oil distillation) equipment is special for treating the black waste oil, including waste engine oil, lube oil, hydraulic oil, gear oil, ... friendly machine, during the process it just generates less waste (sludge), the waste (Sludge) doesn’t contains any oil, so it ... chemicals, all process is a distillation process.5. JZC waste oil distillation machine is friendly environment, it produces less sludge ...