The oil sludge with a moisture content of less than 70% is heated with thermal desorption steam to separate the VOC organic liquid and the mud cake with reduced moisture content. The separated mud cake can have an oil content of less than 15% and a moisture content of less than 30%.
Sludge separation unit
Three-phase concentration and separation
The oil sludge is separated into three phases using multi-stage cyclone, and the net separation is: