Oil purifier ++ 1·¼it is a physiochemical application to eliminate the electric charge between polar particulate in waste oil, which is gathered into large particles and separated. The colloid, bitumen and other compound in oil are also removed while harmful gas and the filtration and the vacuum dewatering function of waste gas cleaner remove water content. Thus, the oil is cleaned and the effective constituent of oil is retained. ++ 2·¼high precision stainless steel net is used, which is anti-corrosive, high temperature resistant and has a good mechanical strength and long lifetime. It is easy-to-use, and utilizes the economical pressure filter as filter medium. ++ 3·¼novel structure, good layout and is deemed as a fªmini refineryfª. ++ 4·¼very straight and evident effect, can also serve for multiple purposes. ++ 5·¼can be tailored to meet the needs of an individual customer. By the seller's option