Coal Engineering ›› 2025, Vol. 57 ›› Issue (8): 37-41.doi: 10. 11799/ ce202508006

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  • Received:2024-08-29 Revised:2024-11-20 Online:2025-08-11 Published:2025-09-11

Abstract:

Based on the characteristics of coal mine domestic sewage with large changes in water quality and quantity, low organic matter content and high cost of sludge disposal far away from the city, the application effect of modified AAO process ( AAO + suspended packing media process ) in coal domestic sewage treatment was analyzed. The effluent quality of the modified AAO processes is good and stable, and the amount of sludge is small. Therefore, the two modified AAO processes ( AAO + suspended packing media process ) have become the main process for coal mine domestic sewage treatment.

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