Case Study on Coal Mine Domestic Sewage Treatment Technology
This paper explores the corresponding sewage treatment methods according to the characteristics of uneven distribution of quantity and uneven spatial and temporal distribution of quality of coal mine domestic wastewater as well as coal mine production.The research proposed the technical route of"mechanical grid+grit chamber+regulating pond+(A2O process)+MBR+recycled water pool".Meanwhile,the combination of geotechnical structures and com-plete equipment was adopted(geotechnical structures in the pre-treatment and complete integrat-ed equipment in the biochemical treatment).This method was flexible in arrangement and was convenient in maintenance,which could solve the problem of coal mine domestic wastewater treatment.In addition,the process technology had great advantages in coal mine domestic wastewater treatment,including good water quality,low cost,fast construction,and high adapt-ability and flexibility.
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