LIURong,FANGShuai,GUOLin-song,et al.Practice on Quality and Efficiency Improvement of Sewage System in a WWTP in Jiujiang[J].China Water & Wastewater,2024,40(14):95-100.
Practice on Quality and Efficiency Improvement of Sewage System in a WWTP in Jiujiang
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第40卷
Number:
第14期
Page:
95-100
Column:
Date of publication:
2024-07-17
- Keywords:
- quality and efficiency improvement; sewage system inspection; drainage network regulation; water?sewage diversion; mixed connection of stormwater and sewage
- Abstract:
- Based on the practice of improving the quality and efficiency of a wastewater treatment plant (WWTP) in Jiujiang, the systematic investigation and diagnosis technology of drainage pipe network as “plant-network-source”is summarized, which solves the problem of unclear background of urban sewage system from three aspects such as investigation and analysis of sewage treatment plant and system boundary, investigation and diagnosis of municipal pipe network and source drainage households. Taking the actual project as an example, the method of water quality and quantity investigation and the measures to improve sewage organic matter concentration are introduced. After the implementation, the influent COD concentration of the WWTP increased from 65-80 mg/L to 144-236 mg/L. Finally, the key and difficult points in improving the quality and efficiency of the sewage system and the suggested solutions are summarized, which could provide a reference for the comprehensive urban water environment management project along the Yangtze River.
Last Update:
2024-07-17