餐厨垃圾与家庭厨余垃圾协同厌氧消化研究与应用

夏岩; 戴小冬; 蒙恩卿

doi:10.13205/j.hjgc.202507010

餐厨垃圾与家庭厨余垃圾协同厌氧消化研究与应用

doi: 10.13205/j.hjgc.202507010

上海市政工程设计研究总院(集团)有限公司, 上海 200092

详细信息

作者简介:
夏岩（1992—），男，工程师，主要研究方向为有机垃圾资源化利用。xiayan@smedi.com

通讯作者:
夏岩（1992—），男，工程师，主要研究方向为有机垃圾资源化利用。xiayan@smedi.com

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出版历程
- 收稿日期: 2024-10-22
- 录用日期: 2025-05-15
- 修回日期: 2024-12-31
- 网络出版日期: 2025-09-11

Research and application of collaborative anaerobic treatment of restaurant food waste and household food waste

Shanghai Municipal Engineering Design Institute (Group) Co., Ltd., Shanghai 200092, China

摘要

摘要: 厌氧消化技术是城市有机固废资源化利用的主流工艺。餐厨与家庭厨余垃圾协同厌氧消化分为干湿协同和湿式协同两种，工艺选用与来料组成有关。其中，以家庭厨余垃圾为主的工程，宜采用干湿协同厌氧工艺可以降低运行成本，提升资源化效能，实现有机质全量利用；以餐厨垃圾为主的工程，宜采用湿式协同厌氧工艺，需用面积小，工程投资低，运维难度低。以某地餐厨和家庭厨余垃圾协同厌氧工程为例，采用“机械制浆预处理+湿式协同厌氧+沼气热电联产”为主体工艺。沼渣离心脱水后低温干化，沼液采用“外置式MBR+NF”工艺处理后纳管排放。详细介绍了工程总体工艺流程设计、预处理技术选择、各处理单元关键参数选取、沼液沼渣处理等，以期为类似工程的设计工作提供借鉴与参考。
- 餐厨垃圾 /
- 家庭厨余垃圾 /
- 湿式协同厌氧消化
Abstract: Anaerobic digestion technology is a mainstream process for recycling of urban organic solid waste. Co-anaerobic digestion technology of food waste and household food waste can be divided into dry-wet co-digestion and wet co-digestion， respectively， and the process selection is related to the composition of raw materials. For projects mainly processing household food waste， the dry-wet co-anaerobic digestion technology can reduce operating costs， improve resource utilization efficiency， and achieve full utilization of organic matter. For projects mainly processing food waste， wet co-anaerobic digestion technology requires less site area， lower investment， and is easier to operate and maintain. Taking a co-anaerobic digestion facility for food waste and household food waste as an example， the main process route adopted is “mechanical pulping + wet co-anaerobic digestion + utilize biogas for heat and power”. Digested sludge is dried at a low temperature after centrifugal treatment， and the centrifugate is treated by the process of “external MBR + NF” and then discharged. This paper introduces in detail the general layout of the facility， the design of process flow， the selection of pretreatment technology and key parameters for each treatment unit， and the treatment of biogas sludge and effluent， which can provide reference for the design of similar projects.
- restaurant food waste /
- household food waste /
- wet collaborative anaerobic digestion

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