Research Progress in Treatment of Oily Wastewater by Flocculation Method

Flocculation method is a common method in oily wastewater treatment technology,has a great prospect in wastewater treatment.In this paper,the chemical flocculation,the combined flocculation,the magnetic flocculation,the electricity flocculation,the micro flocculation,and the microbial flocculation were described,and their characteristics,mechanisms,research and application situation were introduced.The forward application in oily wastewater treatment was discussed.