长江流域城镇污水污泥处理绿色低碳技术筛选与评估研究

王梓琳; 林炳权; 刘雨欣; 孙德智

doi:10.13205/j.hjgc.202509022

长江流域城镇污水污泥处理绿色低碳技术筛选与评估研究

doi: 10.13205/j.hjgc.202509022

1. 水体污染源控制技术北京市重点实验室污染水体源控制与生态修复技术北京高校工程研究中心, 北京 100083

基金项目:

长江基金项目：长江生态环境保护修复联合研究（第二期）（2022-LHYJ-02-0603-03）

详细信息

作者简介:
王梓琳（2001—），女，研究生，主要研究方向为水污染控制与水资源利用。15969764107@163.com

通讯作者:
孙德智（1960—），男，教授，主要研究方向为污染水体源控制与生态修复。sundezhi@bjfu.edu.cn

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出版历程
- 收稿日期: 2025-04-29
- 网络出版日期: 2025-11-05
- 刊出日期: 2025-09-01

Screening and evaluation of green and low-carbon technologies for urban sewage sludge treatment in the Yangtze River Basin

1. Beijing Key Laboratory of Water Pollution Source Control Technology, Pollution Source Control and Ecological Restoration Technology Beijing Higher Education Engineering Research Center, Beijing 100083, China

摘要

摘要: 对国内外污水污泥处理技术开展研究热点分析，为城镇污水污泥绿色低碳处理技术库构建提供依据，同时针对长江流域特点与需求构建了技术评价指标体系，采用AHP-TOPSIS（层次分析-优劣解距离法）对技术库中的技术进行评估。共筛选出46项适用于长江流域城镇污水和污泥绿色低碳处理技术，并对其中7项优秀技术及应用案例进行解析。结果表明，污水处理优秀技术的COD和TP削减率、碳排放强度等指标效果相近，但在先进性、TN削减率、投资建设成本等指标存在差异，部分技术仍有改进提升空间。剩余污泥处理优秀技术在先进性、可利用程度、投资建设成本等指标效果趋同，但在脱水率、处理污泥占地面积等指标差异较大。优良等级技术结果显示：污水处理以A²O、氧化沟类工艺为优，MBR、人工湿地类工艺次之；污泥处理以厌氧消化类工艺为优，好氧堆肥、污泥脱水类工艺次之。研究结果可为长江流域城镇污水处理厂减污降碳协同增效提供技术参考。
- 长江流域 /
- 污水污泥处理 /
- 绿色低碳 /
- 技术筛选 /
- AHP-TOPSIS法
Abstract: The research hotspot analysis of sewage sludge treatment technologies was carried out to provide a basis for the construction of an urban sewage sludge green and low-carbon treatment technology library. Then， a technology evaluation index system was constructed according to the characteristics and needs of the Yangtze River Basin， and the technologies in the library were evaluated using the AHP-TOPSIS （analytic hierarchy process-technique for order of preference by similarity to ideal solution） method. Forty-six green and low-carbon treatment technologies for urban sewage sludge in the Yangtze River Basin were screened out， and seven excellent technologies with application cases were analyzed. The results show that excellent sewage treatment technologies exhibit similar performance in indicators such as COD and TP reduction rates， carbon emission intensity， etc.， but differ in advancedness， TN reduction rate， investment and construction costs. Some technologies still have room for improvement and upgrading. For residual sludge treatment， excellent technologies show similar levels in advancedness， applicability， and investment and construction costs， but significant differences exist in indicators such as dewatering rate and the land area occupied by sludge treatment. The technical evaluation results show that： A²O and oxidation ditch are the best for sewage treatment， MBR， artificial wetland comes second； the anaerobic digestion process is optimal in sludge treatment， followed by aerobic composting and sludge dewatering. The research results can provide technical references for pollution reduction and carbon emission synergies in urban sewage treatment plants in the Yangtze River Basin.
- Yangtze River Basin /
- sewage sludge treatment /
- green and low carbon /
- technology screening /
- AHP-TOPSIS method

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