厌氧氨氧化技术在废水脱氮领域的应用进展

Application progresses of anaerobic ammonia oxidation technology in nitrogen removal from wastewaters

厌氧氨氧化技术是一种以厌氧氨氧化自养菌脱氮为核心的新型生物脱氮技术,具有良好的应用前景。本文对厌氧氨氧化过程的反应机理、菌种的生长特性及种类分布进行了详细介绍,总结了厌氧氨氧化技术在不同废水脱氮领域的研究及应用情况。指出,种泥缺乏是当前限制厌氧氨氧化技术大规模工业推广的瓶颈,并就厌氧氨氧化技术在应用过程中遇到的问题给出了相应建议。

Anaerobic ammonia oxidation is a new biological denitrification technology based on nitrogen removal by the autotrophic anaerobic ammonium-oxidizing bacteria,which has good application prospects.In this paper,the reaction mechanism,growth characteristics and species distribution of anaerobic ammonia-oxidizing bacteria are introduced in detail.The research and application status of anaerobic ammonia-oxidation technology on denitrification of different wastewaters are summarized.It is pointed out that the shortage of seed sludge is the bottleneck of large-scale industrial promotion of anaerobic ammonia oxidation technology.Moreover,solutions are put forward for the problems in the application of anaerobic ammonia oxidation technology.