... .This technology is different from the traditional distillation process with sulfuric acid,it is also different from the current ... during processing:No waste gas, water disposal,oil sludge can be used as fuel.3,Good quality products:Recycled ... pump,heat exchanger;4,Cooling system:water pump,cooling water reservoir,first stage cooler,second stage cooler;5,Vacuum system:vacuum cooler,vacuum water tank, ...