厌氧氨氧化在污水处理中的研究进展

The Research Progress of Anaerobic Ammonium Oxidation in Wastewater Biotreatment

摘要:

厌氧氨氧化(ANAMMOX)是指厌氧氨氧化细菌在厌氧条件下以亚硝酸盐为电子受体将氨氮氧化为氮气的过程。由于在节能降耗和环境友好上的独特优点, 基于厌氧氨氧化原理的脱氮技术被公认是目前最具应用前景的生物脱氮技术, 因此自发现以来一直是国内外研究的热点。综述近年有关厌氧氨氧化细菌、厌氧氨氧化机理、反应的影响因素及其在污水处理应用方面的研究进展, 并展望厌氧氨氧化在污水处理领域的发展方向。

关键词:厌氧氨氧化, 机理, 细菌, 影响因素, 污水处理

Abstract:

Anaerobic ammonium oxidation (ANAMMOX) is a process that the bacteria of anammox convert NH4+-N into N2 with the NO2?-N as the primary electron acceptor under anaerobic condition. It is considered as a very promising nitrogen removal technology in future, because of its cost effectiveness and environmental friendly characteristics. Here, we review its mechanism, influence factors, application situation and the bacteria of anammox. Some suggestions are given for the development of anammox application in wastewater treatment.

Key words:Anammox, Mechanism, Bacteria, Influence factors, Wastewater treatment