Grease trap is the use of oil and water specific gravity difference, separation and removal of sewage particles in the larger suspended oil a treatment structure. The petroleum industry and petrochemical industry in the production process discharges wastewater containing a large amount of oil; coal coking and gasification industry discharges wastewater containing a high concentration of tar; woolen industry and meat industry discharges wastewater containing more oil and grease.

Sichuan Yongqin Environment