Process Design and Analysis of Rural Domestic Sewage Treatment Station in Tongzhou District of Beijing
[Purposes]In order to meet the demand of rural sewage treatment in Tongzhou District,Bei-jing,the application of integrated sewage treatment station in rural domestic sewage treatment was stud-ied.[Methods]Through engineering examples,the quantity and quality of rural sewage in Tongzhou area were analyzed,and the sewage treatment technology and the structure form of biological treatment unit were compared.The use of A3/O+MBBR+biological filtration+disinfection of sewage treatment process integrated device was determined to achieve the whole process of rural sewage treatment.[Findings]The water quality treated by the sewage treatment station can meet the requirements of the secondary,which is newly built(reformed and expanded)in Beijing.[Conclusions]The integrated sewage treatment sta-tion using A3/O+MBBR+biological filtration+disinfection process has advantages like high degree of ap-plication integration in rural domestic sewage treatment,rapid installation,simple operation and mainte-nance,and provides a reference for rural sewage treatment design in northern China.
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