... energy saving , environment friendly 3.distillation Waste Tyre Oil Distillation System Series HCY Waste Oil Pyrolysis (Oil Distillation) equipment is special ... oil-gas transform to liquid oil again after the cooling system, the liquid oil treated by the special tanks to ... distillation process, HCY process is a Pyrolysis way. 4, HCY machine is friendly environment, it produces less sludge, the sludge is ...