... less waste (sludge), the waste (Sludge) doesn't contains any oil, so it is no pollution ... cost. During the regenerating process, you don't need add any other chemicals; The all process ... with electricity heater. 3, HCY machine don't add any chemicals during the distillation process, HCY ... process is a Pyrolysis way. 4, HCY machine is friendly environment, it produces less ...