MTO process, quench water and the solid washed with water removal method and apparatus for degreasing

The present invention relates to a method and apparatus for MTO / MTP quench water and the solid washed with water, degreased off. The method of the present invention mainly comprises MTO / MTP chilled water for ultrafiltration membrane, ultrafiltration membrane concentrates the three-phase cyclone separator into the separation system, and the catalyst was recovered oil; ultrafiltration permeate back through the cooling urgent recycling water system; of MTO / MTP washed with water separation membrane, an ultrafiltration membrane into the concentrate three-phase separation system, cyclone separator, recovering the catalyst and the oil; ultrafiltration permeate back through the cooling water circulating water system use; the present invention also provides an apparatus for MTO / MTP quench water and the solid washed with water, degreased off.