Separator purifier (also called oil polisher or cleaner).

The oil from the decanter still contains a little water and solids, and this “dirty” oil is heated in the tank and then pumped (control fed) to the high speed separator for cleaning.

The separator has three outlets, clean oil which is pumped to the tank, water which is pumped to the dryer, and every few minutes the separator automatically “blows” and cleans itself from solids which is also pumped to the dryer.