2022, Volume 24, Issue 5
Strategic Study of CAE >> 2022, Volume 24, Issue 5 doi: 10.15302/J-SSCAE-2022.05.018
Comprehensive Treatment of Rural Domestic Sewage in China
1. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;
2. Key Laboratory of Yangtze River Water Environment, Ministry of Education, Shanghai 200092, China;
3. Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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Abstract
Rural domestic sewage treatment is crucial for improving rural living environment, controlling agricultural and rural pollution, and implementing the rural revitalization strategy. In this paper, we evaluated the achievements of rural domestic sewage treatment from the aspects of regulations and standards, treatment scale and technology, and environmental protection education, and analyzed the problems associated with treatment capacity, technology, standards, and operation and maintenance. Rural domestic sewage treatment should adapt to local conditions, focus on resource utilization, and be economical, convenient, and scientifically planned. Key tasks were proposed from the perspectives of treatment mode, technical process, resource utilization, and operating mechanism. The development path we proposed emphasizes systematic treatment and integration of all parties. Moreover, several countermeasures are suggested. Discharge standards should be formulated scientifically for rural domestic sewage as nitrogen and phosphorus in rural sewage needs to be reused for irrigation. Ecological and simple treatment of the rural domestic sewage should be promoted based on the economical and feasible principles. The market mechanism needs to be improved to promote the specialized trusteeship of rural sewage treatment.
Keywords
rural area ; domestic sewage ; comprehensive treatment ; resource utilization ; ecological treatment
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