Process Design Of The Sewage Treatment Plant In Chibi East

Chibi city is located in the north of Lushui reservoir,and Lushui River runs through it. Its development depends on Lushui River and Lushui reservoir. The Lushui Lake is famous of national tourism scenic area, with 58 Km2 water area and 7.5×108 m3 storage capacity. So it is the most important thing for government and people to protect them with responsibility. Once Chibi City East sewage treatment plant is operated, the contamination from Chibi City economic and social development will be reduced, and Lushui River and other water bodies of water environment should be improved. It is more important to preserve and maintain its ecological functions.Through several schemes’ comparison, the sewage treatment process of modified A2/O + efficient sedimentation tank was recommend. The process was targeted at domestic sewage. At the same time, the technology has mature process, perfect function, simple structure, and easy management, adjustment and optimization.After the process of the sewage treatment, the discharge of sewage achieve the national "urban sewage treatment plant emission standards"(GB18918-2002) in an A standard, the effluent discharged into the Chima Harbor.In environmental protection, for Chibi City East sewage treatment plant with small area, the project construction will not lead to a fundamental change in the ecological environment.After the implementation of the project, the original lotus pond will change into sewage treatment plants, so the land lost their original function. Generally speaking, the ecological environment around the project should have a favorable impact.