中国农村生活污水处理技术现状分析及评价

doi:10.11934/j.issn.1673-4831.2018.10.001

Abstract

Abstract:

By looking up China's 119 literatures during 2000-2016, involving less 1 000 m³·d^-1 water yield of the case of rural domestic sewage treatment engineering, statistical analysis of our country's patterns of rural domestic sewage treatment technique, the effluent standards and six main pollutants index (COD, TN, TP, NH₃-N, SS and BOD₅) removal efficiencies were made. Combining analytic hierarchy process evaluation method,the research progress of the rural sewage treatment technology were predicted. The results show that the treatment of sewage treatment in rural areas is attracting a lot of attention year by year。About 57.26% water yield of the rural domestic sewage treatment facilities were less than 100 m³·d^-1. The main implementation of water quality is acoording to the pollutant discharge standards of urban sewage treatment plants (GB 18918-2002), accounting for 74.99%. The processing technology could be divided into three categories:biology, ecology and combinatorial treatment, among which combination processing technique was used the most. Various technological combinations are the main development direction of rural domestic sewage treatment in the future. The degree of emphasis of current literature technology's water indicator in descending order were COD, TP, NH₃-N, and TN. The degree of difficulty of removal of contaminants in descending order were TN, TP, NH₃-N, and COD.

Key words: rural domestic sewage, sewage treatment technology, effluent standard, water quality indicators

CLC Number:

XIE Lin-hua, WU De-li, ZHANG Ya-lei. Analysis and Evaluation of China's Rural Domestic Sewage Treatment Technology[J]. Journal of Ecology and Rural Environment, 2018, 34(10): 865-870.

References

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Analysis and Evaluation of China's Rural Domestic Sewage Treatment Technology

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