| 摘要 |
FIELD: machine building.SUBSTANCE: present invention relates to method of waste engine oil membrane cleaning, which provides for centrifugation, engine oil heating, filling of membrane module, separation of oil to concentrate and filtrate under pressure, wherein after centrifugation preliminarily purified waste engine oil is further purified by microfiltration method at temperature of 45±2 °C using filtration membranes with pores size of 0.15-0.2 mqm and further heated to temperature of 55±5 °C with further purification by ultrafiltration with pores size of 0.05 mqm, wherein separation process is carried out under pressure of 0.2-0.5 MPa.EFFECT: technical result is increase in filtration efficiency, increased service life of membranes and increase in cleaned engine oil parameters obtained at membrane installation outlet.1 cl, 1 tbl, 1 dwg, 6 ex |
