Superiority: This machine is gathered precision filtration, high efficiency demulsifying and dewatering together. It can remove amount of water without heating and the speed is so quickly and can be the first in all of machines. It can remove water quickly from the half oil and water. The cleanness can reach NAS6. It is very easily to operate and suitable for the light oil which contents a lot of water. Features: 1) ZJD-F series purifier adopt special oil water separator which requires no heating, offering more than 20 times dewatering efficiency over other types of purifiers. 2) As no heating is needed, the additives in the oil are well prevented from degradation or deterioration. 3) Easy-to-operate, water can be discharged online automatically without the presence of duty operators. 4) Low operation cost, 20-40% lower than vacuum purifier, centrifugal purifier and filter press.