HOUFeng,WANGYi-ran,GAOLin,et al.Application of Modified AAO and Suspended Packing Media Process in Underground Wastewater Treatment Plant[J].China Water & Wastewater,2024,40(4):66-70.
Application of Modified AAO and Suspended Packing Media Process in Underground Wastewater Treatment Plant
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第40卷
Number:
第4期
Page:
66-70
Column:
Date of publication:
2024-02-17
- Keywords:
- underground wastewater treatment plant; modified AAO process; suspended packing media; smart water management system; green and low-carbon
- Abstract:
- The design scale of an underground wastewater treatment plant in Guizhou is 80 000 m3/d. This paper introduced the application of its combined process consisting of pretreatment, modified AAO, biochemical tank packed with suspended packing media, high efficient sedimentation tank, deep bed denitrification filter and ultraviolet disinfection in municipal wastewater treatment, and the intelligent management and green low-carbon energy-saving technologies such as smart water management system, water source heat pump, precise dosing and precise aeration applied in the project, so as to provide certain reference for the design of similar projects. The wastewater treatment plant has been running stably for two years, and the effluent quality meets the first level A limit specified in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), among which the main indicators such as COD, BOD5, NH3-N and TP reach the class Ⅳ limit specified in Environmental Quality Standards for Surface Water (GB 3838-2002). The tail water is discharged into the river, and good environmental benefits are obtained.
Last Update:
2024-02-17