This type machine is mainly used for purifying used cooking oil. It dewaters, deodorize, and eliminate impurities highly effectively. According cooking oil nature, the used cooking oil includes high water, more acid matter, much impurity and offensive odor. This machine adopts Plate Pressure system can separate the sundry goods and water from the oil quickly and effectively. Then superadded two primaries filter and fine filter, it can remove impurities thoroughly. Next, the machine adopts highly vacuum system to dewater and deodorize. In addition, this machine use stainless steel filter element, it resists the acid in oil strongly. So, the used cooking oil was recycled by machine, it will become limpidity, and fresh quality.