Novel and innovative approaches to partial denitrification coupled with anammox: A critical review

被引：12
作者：
Eng Nkonogumo P.L. [1 ]
Zhu Z. [1 ]
Emmanuel N. [1 ]
Zhang X. [1 ]
Zhou L. [1 ]
Wu P. [1 ]
机构：
[1] National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, School of Environmental Science and Engineering, Suzhou University o
来源：
Chemosphere | 2024年 / 358卷
基金：
中国国家自然科学基金;
关键词：
Anammox; Biological nitrogen removal; Coupled process; Factors control; Partial denitrification; Process reinforcement;
D O I：
10.1016/j.chemosphere.2024.142066
中图分类号：
学科分类号：
摘要：
The partial denitrification (PD) coupled with anaerobic ammonium oxidation (Anammox) (PD/A) process is a unique biological denitrification method for sewage that concurrently removes nitrate (NO3−-N) and ammonium (NH4+-N) in sewage. Comparing PD/A to conventional nitrification and denitrification technologies, noticeable improvements are shown in energy consumption, carbon source demand, sludge generation and emissions of greenhouse gasses. The PD is vital to obtaining nitrites (NO2−-N) in the Anammox process. This paper provided valuable insight by introduced the basic principles and characteristics of the process and then summarized the strengthening strategies. The functional microorganisms and microbial competition have been discussed in details, the S-dependent denitrification-anammox has been analyzed in this review paper. Important factors affecting the PD/A process were examined from different aspects, and finally, the paper pointed out the shortcomings of the coupling process in experimental research and engineering applications. Thus, this research provided insightful information for the PD/A process's optimization technique in later treating many types of real and nitrate-based wastewater. The review paper also provided the prospective economic and environmental position for the actual design implementation of the PD/A process in the years to come. © 2024 Elsevier Ltd
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