厌氧铁氨氧化工艺特性与控制策略的研究进展

doi:10.19965/j.cnki.iwt.2020-0994

摘要/Abstract

摘要：

厌氧铁氨氧化(Feammox)是在厌氧环境下铁还原结合氨氧化的过程，存在于自然环境及人工环境中。Feammox反应可缓解缺氧土壤和湿地等环境的氮积累，且为自养型脱氮工艺，在污水处理中具有应用前景。近年来，研究人员对厌氧铁氨氧化的反应功能菌、代谢机理、富集培养与工艺运行等进行考察，成功富集到部分Feammox功能菌，推测了其理论反应，并探明工艺运行条件。目前，厌氧铁氨氧化工艺在污水处理领域尚处于起步阶段。对厌氧铁氨氧化的基本特性、工艺启动与控制、反应影响因素等进行了总结，可为后续研究及实际工程应用提供一定参考。

关键词: 厌氧铁氨氧化, 生物脱氮, 代谢机理, 工艺启动

Abstract:

Fe(Ⅲ) reduction coupled to anaerobic ammonium oxidation(Feammox) is a combination of iron reduction and ammonia oxidation in anaerobic environment, and exists in natural and artificial environment. Feammox reaction can alleviate nitrogen accumulation in anoxic soils and wetlands, and is an autotrophic denitrification process, which has a promising application prospect in wastewater treatment. In recent years, researchers have investigated the reaction functional bacteria, metabolic mechanism, enrichment culture and process operation of Feammox, and successfully enriched some Feammox functional bacteria, deduced its theoretical reaction formula, and explored the process operating conditions. The Feammox process is still in initial stage in the field of wastewater treatment. The basic characteristics, process of start-up and control, influencing factors of Feammox were summarized, which would provide direction for future research and practical engineering application.

Key words: Fe(Ⅲ) reduction coupled to anaerobic ammonium oxidation, biological nitrogen removal, metabolic mechanism, process start-up

中图分类号:

X703

李冠恒,王宇佳,史超,张金铭. 厌氧铁氨氧化工艺特性与控制策略的研究进展[J]. 工业水处理, 2021, 41(8): 34-40.

Guanheng Li,Yujia Wang,Chao Shi,Jinming Zhang. Research progress of Feammox's processing characteristics and control strategies[J]. Industrial Water Treatment, 2021, 41(8): 34-40.

https://www.iwt.cn/CN/Y2021/V41/I8/34

图/表 5

参考文献 32

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预测功能菌种	来源	文献
Exiguobacterium	牛废物处理厂	〔2〕
Geobacter、Shewanella	潮间带湿地	〔4〕
Anaeromyxobacter、Pseudomonas、Geobacter	河岸带湿地	〔10〕
Geobacter、GOUTA19、Nitrososphaeraceae	水稻土	〔11〕
Geobacter、Shewanella	湖泊沉积物	〔12〕
Acidimicrobiaceae bacterium A6	森林河岸湿地	〔14〕

预测功能菌种	来源	文献
Exiguobacterium	牛废物处理厂	〔2〕
Geobacter、Shewanella	潮间带湿地	〔4〕
Anaeromyxobacter、Pseudomonas、Geobacter	河岸带湿地	〔10〕
Geobacter、GOUTA19、Nitrososphaeraceae	水稻土	〔11〕
Geobacter、Shewanella	湖泊沉积物	〔12〕
Acidimicrobiaceae bacterium A6	森林河岸湿地	〔14〕

预测反应式	文献
	〔1〕
	〔14〕


	〔16〕

预测反应式	文献
	〔1〕
	〔14〕


	〔16〕

污泥来源	NH₄⁺-N氧化潜在速率/（mg·kg^-1·d^-1）	文献
潮间带湿地沉积物	0.24~0.36	〔4〕
水稻土	0.17~0.59	〔5〕
河岸带土壤	0.32~0.37	〔10〕
富营养化湖泊沉积物	0.23~0.43	〔12〕
热带旱地土壤	0.32	〔16〕
油菜农田土壤	0.18±0.04
河岸带土壤	0.16±0.03	〔20〕
河底沉积物	0.13±0.04

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