| Citation: | DONG L W,ZHANG W,BAI L,et al.Analysis on current situation and model of resource utilization of rural sewage in China[J].Journal of Environmental Engineering Technology，2022，12（6）：2089-2094 doi: 10.12153/j.issn.1674-991X.20210829
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In recent years, fitting with the actual situation of rural areas and low cost are becoming the development requirements of rural sewage treatment technology. Adapting measures to local conditions and utilizing local resources are the best choice of rural sewage treatment. However, due to the lack of early standards and imperfect treatment system, resource utilization of rural sewage is still a weak point. The reasons for the low utilization rate of rural sewage were deeply analyzed, and it was pointed out that the best way to recycle rural sewage was to recycle it into agricultural production. Based on years of engineering practice and research results, four resource utilization modes in combination with rural sewage treatment and agricultural production were put forward. These four modes included pollutant reduction and cash crop planting coupling mode, tail water irrigation mode, water quality control type on-demand discharge mode, and black water and grey water graded resource utilization mode. Detailed analysis of the characteristics, application scope, treatment effect, construction investment, operation cost and occupation area of each mode were carried out.
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