期刊
BIORESOURCE TECHNOLOGY
卷 362, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.127827
关键词
Mainstream; Partial anammox; Nitrogen removal; Engineering; WWTP
资金
- National NaturalScience Foundation of China [52122005, 51978007, 52131004]
- Fund of Innovation and Entrepreneurship Leading Team Project in Guangzhou [CYLJTD-201607]
Anaerobic ammonium oxidation (anammox) has great potential for nitrogen removal from mainstream wastewater. However, there are limitations to its direct application. This review summarizes the technical development of partial anammox and the mechanisms of achieving partial mainstream anammox through aeration and organic control.
Anaerobic ammonium oxidation (anammox) has great potential to be applied to the process of nitrogen removal from mainstream wastewater. However, directly applying complete anammox to the mainstream is typically hindered by low temperatures, a low ammonia concentration, and high organic matter concentrations. Directly integrating anammox into mainstream treatment by enhancing the in-situ enrichment of anammox bacteria in wastewater treatment plants (WWTPs) could effectively improve the nitrogen removal efficiency and reduce the treatment cost. A certain anammox bacteria abundance in full-scale WWTPs provides the feasibility of directly integrating anammox into mainstream treatment and realizing partial mainstream anammox. The technical development status of partial anammox and the mechanisms of achieving partial mainstream anammox by aeration and organic control are summarized. This review provides an enhanced understanding of this novel technical route of partial mainstream anammox treatment for improving the quality, performance, and prospects for this technology to be used in upgrading WWTPs.
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