... 5.oil yield is 45-50% Waste or Treasure?Waste tire, waste plastic, waste rubber, waste oil etc. are increasing every moment. ... in manufacturing pyrolysis machine for recycling waste tires, waste plastic, waste rubber etc. and distillation machiner for recycling waste oil, crude oil, black ... make the smoke no different from the air. 5.Waste gas recycling system: In the process of refining oil, when ...