The organicinorganic blended ultrafiltration membrane is synthesized by the phase transformation method

which mixed perovskite powder (CT powder) with polyvinylidene fluoride(PVDF). The pure water flux

oil rejection performance and antifouling property of ultrafiltration membrane were tested by the plate crossflow ultrafiltration device. The surface morphology

crosssectional morphology and the pollutants distribution of membrane were detected by using scanning electron microscope (SEM). The antifouling property and selfcleaning performance of CT/PVDF ultrafiltration membrane were tested by sewage experiments. The results show that adding 1% CT powder can greatly improve the flux of PVDF ultrafiltration membrane

slow down the rate of membrane flux decline and improve its antifouling property and selfpurification. In the oilwater separation experiment

the quality of penetrating fluid

such as turbidity

oil content and chemical oxygen demand are up to national emission standards.