Technology and practice of rural sewage treatment based on unpowered biochemical project

Quantity, quality, features of sewage and problems of sewage treatment in X town, Yunhe county are analyzed. The unpowered biochemical treatment combined with artificial wetland sewage treatment is proposed. The combination of the decentralized and centralized treatment of rural sewage in this town is recommended. Effect of the sewage treatment of rural and application prospect is also discussed, and the running result showed that this technology processed performed well. Low investment in construction, low cost in operation, and easy management make this technology applicable to the less developed areas of the rural. (paper)