低碳背景下剩余污泥厌氧共发酵产酸研究进展

马元元; 吴瑒; 王朴淳; 陈银广; 郑雄

doi:10.13205/j.hjgc.202401014

低碳背景下剩余污泥厌氧共发酵产酸研究进展

doi: 10.13205/j.hjgc.202401014

马元元¹,
吴瑒¹,
王朴淳¹,
陈银广^1,2,
郑雄^1,2, ,

1. 同济大学环境科学与工程学院污染控制与资源化研究国家重点实验室, 上海 200092;
2. 上海污染控制与生态安全研究院, 上海 200092

基金项目:

国家重点研发计划(2019YFC1906302)；国家自然科学基金项目(52200171)

详细信息

作者简介:
马元元(2000-),女,硕士研究生,主要研究方向为城市污水/污泥处理与资源化。2230588@tongji.edu.cn

通讯作者:
郑雄(1985-),男,教授,主要研究方向为城市污水/污泥处理与资源化。xiongzheng@tongji.edu.cn

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出版历程
- 收稿日期: 2023-08-31
- 网络出版日期: 2024-04-29

RESEARCH PROGRESS ON ANAEROBIC CO-FERMENTATION OF WASTE-ACTIVATED SLUDGE TO PRODUCE ACID UNDER THE GOAL OF LOW CARBON

1. State Key Laboratory of Pollution Control and Resource Reuse, School of Environment Science and Engineering, Tongji University, Shanghai 200092, China;
2. Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China

摘要

摘要: 低碳背景下,剩余污泥的资源化利用是实现污水处理厂有机固废减污降碳协同增效的重要举措。厌氧共发酵技术则是实现污泥资源化利用的最有效手段之一。通过剩余污泥与其他有机固废厌氧共发酵产生的高值产物(如挥发性脂肪酸等)可广泛应用于工业产品生产中,在实现污泥资源化利用的同时,降低了碳排放。然而,现有研究主要聚焦在剩余污泥厌氧共发酵产酸效能的探讨,在共发酵产酸的机理及优化调控手段等方面缺乏系统性的总结与分析。因此,基于以往研究,系统分析了剩余污泥与餐厨垃圾、农业废弃物等共发酵产酸效能,讨论了C/N值、pH值、温度以及污泥停留时间等工艺参数对剩余污泥厌氧共发酵过程的影响,提出了剩余污泥厌氧共发酵产酸的下游应用,并从能源与经济角度对剩余污泥厌氧共发酵技术进行了展望,以期为剩余污泥厌氧共发酵技术的低碳化应用提供参考。
- 剩余污泥 /
- 厌氧共发酵 /
- 挥发性脂肪酸 /
- 资源回收 /
- 碳中和
Abstract: Under the goal of low carbon, the resource utilization of waste-activated sludge is an important approach to synergistically realize the pollution reduction and carbon reduction of organic solid waste in sewage treatment plants. Anaerobic co-fermentation technology is one of the most effective strategies to realize waste-activated sludge resource utilization. High-value products such as volatile fatty acids obtained by anaerobic co-fermentation of waste-activated sludge and other organic solid wastes can be widely used in the production of industrial products, which can simultaneously reduce carbon emissions and realize resource utilization. However, the existing studies mainly focus on the discussion of acid production efficiency during co-fermentation, and lack a systematic summary and analysis of the mechanism and optimal regulation methods. Therefore, based on previous studies, this paper systematically analyzed acid production efficiency from anaerobic co-fermentation of waste-activated sludge with food waste and agricultural waste, discussed the influence of technological parameters such as C/N ratio, pH, temperature, and sludge residence time, and proposed the downstream application of volatile fatty acids. Meanwhile, the work also prospected the perspective of anaerobic co-fermentation technology of waste-activated sludge from the aspects of energy and economy. This work would provide the theoretical basis and technical guidance for the low carbonization application of waste-activated sludge anaerobic co-fermentation technology.
- waste-activated sludge /
- anaerobic co-fermentation /
- volatile fatty acids /
- resources recovery /
- carbon neutralization

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