COFCO Biochemical implements strict standardized management of environmental protection processes. In 2000, the company passed the ISO 1400 1 environmental management system certification, and set up a special environmental protection department, which is responsible for the formulation and review of the company's environmental protection system and operating procedures, the construction of the environmental protection management system, the inspection of environmental protection emission standards, the inspection of accidents of running, running, dripping and leaking of various production devices, and the technical control and promotion of environmental protection management. The company carries out process control according to domestic advanced standards, has relatively perfect monitoring and system control means, and is committed to providing a reliable and stable wastewater treatment operation system for the company's production system. The company adopts domestic advanced wastewater treatment technology to "turn wastewater and waste residue into treasure", and at the same time, ammonium sulfate, feed and biogas are by-products when treating wastewater; Biogas desulfurization is used for boilers and canteens, and lithium bromide is used as fuel, which brings economic benefits to the company on a certain basis. Through the above measures, the total discharge of pollutants has been greatly reduced, which has made due contributions to environmental protection and Huaihe River governance.