Method for performing surface slow-rate infiltration land treatment on rural domestic wastewater

Abstract

The invention discloses a method for performing surface slow-rate infiltration land treatment on rural domestic wastewater and belongs to sewage treatment (CO2F). The problems that centralized treatment of the rural domestic wastewater is difficult because the rural infrastructure falls behind, the capital is in shortage and the traditional treatment process is complex are solved. The technology mainly comprises three systems, namely a dry-wet separation pool, a collection and sedimentation tank and a surface slow rate infiltration ditch, so that economical, high-efficiency and energy-saving treatment on the sewage can be realized. The method has the advantages of low one-off infrastructure investment, low operating cost, simplicity and convenience in management, stable long-term operation effect and the like, and quasi unmanned operation can be realized. The method is especially suitable for centralized treatment of rural medium / low-concentration domestic wastewater in rolling countries in the middle west and also can be suitable for centralized treatment of rural aquaculture wastewater and domestic wastewater in small towns.

Description

(1) Technical field: [0001] The invention relates to a rural domestic sewage treatment technology, which is especially suitable for the centralized treatment of middle and low concentration domestic sewage in the hilly areas of the central and western regions, and can also be applied to the centralized treatment of rural breeding sewage and domestic sewage in small towns, which belongs to the treatment of sewage class (C02F). (two) background technology: [0002] At present, water pollution has become one of the severe challenges facing my country's sustainable development. For a long time, the focus of my country's sewage treatment has been mainly on urban domestic sewage and industrial point source pollution, while the water pollution problem in the vast rural areas has not received sufficient attention, and rural water pollution is serious. At present, there are more than 600,000 administrative villages and more than 2.5 million natural villages in China, where more than...

AI Technical Summary

Problems solved by technology

[0003] The existing rural domestic sewage treatment technology close to the present invention has the following main defects: (1) The domestic sewage treatment method adopted is mainly through the civil engineering mode of large-scale urban sewage treatment plants, which includes civil engineering pools, machine rooms, Equipment, etc., mainly through the design of anaerobic and aerobic processes to ensure the degradation effect of sewage in it, the process is complicated; (2) The amount of civil engineering is large, the area is large, the one-time investment is high, the operation management is professional, and the operation is not easy. Stable, high energy consumption, high operating costs, difficult to widely spread in remote rural areas in central and western China

Images