used to get rid of the baleful element in the crude oil, such as odor, acid, gum, color and etc ... per tank2. One tank need 8 hours3. OperationFirst, the crude oil need preheated using steam (No.2, a and ... stops mixing and make the oil stationary. Then the crude change to two layers: on the top is clean ... the clean oil from oil outlet (F).4. Steam: for crude oil, it needs ?kg steam in first two hours. ...