An enhanced denitrifinal membrane bioreactor -A case study for Taihu Lake of Changzhou
2021
In recent years, with the rapid development of the economy of villages and towns and the improvement of the living standards of residents, the rural sewage discharge tends to be concentrated and the discharge increases. People begin to pay attention to the treatment and reuse of rural sewage gradually. However, due to the backward rural economy and the low level of technical management, the progress of sewage treatment is slow. In this paper, a new wastewater treatment and recovery process, which is mainly denitrification, is developed for the area with small water environment capacity, which is enhanced denitrification MBR process. The system not only has the advantages of the original membrane bioreactor, but also is convenient to use, and can carry out the sewage evolution treatment for the domestic sewage of the individual households, which improves the flexibility of the sewage treatment. The results of effluent test show that MBR process effluent meets the first level B standard in GB18918-2002, and has high efficiency in removing ammonia nitrogen, COD, BOD and other pollutants, which plays a significant role in improving the water quality of the drainage basin and region, and has important value for the improvement of the water quality in rural areas.
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