Rural sewage treatment method

Abstract

The invention relates to a rural sewage treatment method which comprises the following steps: 1) introducing rural domestic sewage into a grille well and enabling the water filtered by grille well to enter a facultative pond; 2) enabling the sewage treated by the facultative pond to enter a biological filter, wherein the biological filter is filled with an elastic filter material made of a high-molecular organic material, the porosity is 75-98 percent, the aperture is 6-8 mm, and the specific surface area is 10-35 m<2> / g; 3) enabling the water filtered by the biological filter to enter a vertical subsurface flow constructed wetland, wherein thalia dealbata is planted in the constructed wetland; 4) enabling the water treated by the constructed wetland to enter an ecological pond and discharging effluent treated by the ecological pond to a natural water body, wherein lotuses, hornworts and water lilies are planted in the ecological pond; in the sewage treatment process, the water in the biological filter continuously flows back to the facultative pond. The method provided by the invention is suitable for scattered rural villages and stable in treatment effect, and the odor emission and the breeding of mosquitoes and flies can be greatly reduced.

Description

technical field [0001] The invention relates to a rural sewage treatment method, which belongs to the technical field of sewage treatment. Background technique [0002] With the rapid development of the rural economy, the discharge of comprehensive rural wastewater has gradually increased, which has deteriorating the environmental conditions in rural areas, and the environmental quality has declined significantly, directly threatening the living environment and health of the broad masses of farmers, and restricting the healthy development of the rural economy. . The random discharge of domestic sewage is the main cause of rural water environment pollution, which seriously pollutes the rural ecological environment and directly threatens the health of farmers and the economic development of rural areas. [0003] Rural domestic sewage in my country has the following characteristics: (1) Scattered and distributed in a large area. Scattered geographical distribution of villages...

AI Technical Summary

Problems solved by technology

(3) Low processing efficiency

[0004] At present, there are many domestic and foreign treatment technologies for rural domestic sewage treatment, and the names are also various. However, both natural treatment systems and biological treatment systems have the problems of single technology and unstable treatment effects. At the same time, the treatment range is also limited, which is easy Smells and breeds mosquitoes