化工进展 ›› 2018, Vol. 37 ›› Issue (12): 4853-4861.DOI: 10.16085/j.issn.1000-6613.2018-0599

• 资源与环境化工 • 上一篇    下一篇

中温和高温厌氧消化的比较

张文哲1,2, 陈静3, 刘玉1,2, 肖本益1,2   

  1. 1 中国科学院生态环境研究中心, 北京 100085;
    2 中国科学院大学, 北京 100049;
    3 西安建筑科技大学, 陕西 西安 710055
  • 收稿日期:2018-03-26 修回日期:2018-05-07 出版日期:2018-12-05 发布日期:2018-12-05
  • 通讯作者: 肖本益,副研究员,硕士生导师,研究方向为污泥生物处理与资源化。
  • 作者简介:张文哲(1995-),女,硕士研究生,研究方向为污泥生物处理与资源化。
  • 基金资助:
    国家水体污染控制与治理科技重大专项(2017ZX07106-003)及湖南省科技计划项目重点研发计划(2017SK2361)项目。

Comparison of mesophilic and thermophilic anaerobic digestion

ZHANG Wenzhe1,2, CHEN Jing3, LIU Yu1,2, XIAO Benyi1,2   

  1. 1 Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
    2 University of Chinese Academy of Sciences, Beijing 100049, China;
    3 Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China
  • Received:2018-03-26 Revised:2018-05-07 Online:2018-12-05 Published:2018-12-05

摘要: 厌氧消化目前已广泛应用于市政污泥、有机废水、城市有机垃圾、养殖粪便等有机废弃物的资源化处理,由于其具有在实现有机废弃物处理的同时产生甲烷燃料,剩余物还可以作为肥料使用的优点,全球各地已建立了许多大规模的厌氧消化工厂。温度是影响厌氧消化的重要因素,中温和高温厌氧消化是目前常采用的两种工艺,二者各有优劣,但是我国存在对高温厌氧消化的重视程度远远不及中温厌氧消化的问题。因此,本文首先对中温和高温厌氧消化及比较两种工艺的中英文文献进行了统计分析,然后重点从运行参数、有机物降解率、系统稳定性、产沼气性能、消化污泥特性(包括脱水性能、起泡潜力和病原菌含量)和微生物特性等运行性能、厌氧消化模型、经济效益和应用现状等方面对中温和高温厌氧消化进行了详细的比较,并对厌氧消化的应用和发展提出了建议。

关键词: 中温厌氧消化, 高温厌氧消化, 废物处理, 再生能源, 运行性能

Abstract: Anaerobic digestion (AD) has been widely applied to recycle organic wastes such as sewage sludge, organic wastewater, municipal organic waste and livestock manure. Because it can produce methane and fertilizer while treating organic waste, many large-scale AD plants have been established around the world. Temperature is an important factor affecting AD, and mesophilic AD and thermophilic AD are two commonly used technologies. Although the two ADs have their own advantages and disadvantages, thermophilic AD has been attached far less importance than mesophilic AD in China. Firstly, this paper made a bibliometric analysis on Chinese and English papers about the two ADs and their comparisons. Then, a detailed comparison of the two ADs was made based on their AD models, economic efficiencies, application status, and operating performances, such as operating parameters, organic matter degradation, system stability, biogas performance, digestate properties (sludge dewatering ability, foaming potential and pathogen content) and microbial characteristics. Additionally, the suggestions for the application and development of the two ADs have been put forward.

Key words: mesophilic anaerobic digestion, thermophilic anaerobic digestion, waste management, renewable energy, performance

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