Study On Present Situation And Countermeasures Of Rural Sewage In Yunxi District

This article relies on Yueyang City Yunxi district to promote the comprehensive improvement of rural environment projects,study on the Sewage Treatment Facilities Constructed by the Village Sewage Treatment in Yuexi City Yunxi district in 2014,analysis and Study on Rural Sewage Treatment in Yunxi District through the use of data collection,field surveys,etc.,combined with the local population size,terrestrial environment,sewage characteristics and local sewage treatment and environmental requirements of the actual situation.In view of the rural sewage pollution control,this paper through the Yunxi District,the status of rural pollution and Yunxi District,the status quo of economic research on the two types of rural sewage treatment technology methods were discussed,and in the relatively large amount of domestic sewage generated in the summer,has been built on the decentralized and centralized sewage treatment process for its one month of water and water monitoring.According to the monitoring results we can see that the suitable order of decentralized sewage treatment process for rural domestic sewage in Yunhu district is Four-tank purification system> artificial wetland system> stable pond system> land diafiltration system;The suitable order of centralized sewage treatment for rural domestic sewage in Yunhu district is that anaerobic Pool-Contact Oxidation-Constructed Wetland System> Compound Biofilter-Constructed Wetland System> Ackerman System> Anaerobic Pool-Oxygen Oxygen Contact Oxidation-Constructed Wetland System> Anaerobic Pool-Constructed Wetland System.From the comprehensive index analysis shows that four pool evolution system effluent effect is good,covers an area of small,and the construction cost is low,the most suitable as the cloud lake area scattered rural sewage treatment process.Anaerobic tank-contact oxidation-artificial wetland system effluent effect is good,affected by the small season,covers an area of small,but there are operating costs,suitable for public land area as a centralized sewage treatment process.Composite biofilters-artificial wetland systems and Ackerman systems do not produce operating costs,but need a large enough land area to build artificial wetlands,suitable for public land area for more centralized sewage treatment process.Through the analysis and evaluation of many processing technology economy,processing effect,advantages and disadvantages and the scope of application.Four optimization schemes for sewage treatment system were proposed,respectively,four pools of sewage treatment system construction project,Arco Man ecological sewage treatment project construction program,anaerobic tank-contact oxidation-artificial wetland system construction program and composite biofilter-artificial wetland sewage treatment system engineering construction program.For the cloud lake area of rural sewage treatment provides a practical reference.