Revisiting the Engineering Roadmap of Nitrate/Nitrite-Dependent Anaerobic Methane Oxidation

Fan, Sheng-Qiang; Wen, Wan-Ru; Xie, Guo-Jun; Lu, Yang; Nie, Wen-Bo; Liu, Bing-Feng; Xing, De-Feng; Ma, Jun; Ren, Nan-Qi

doi:10.1021/acs.est.3c02806

Environ. Sci. Technol.

2023

DOI: 10.1021/acs.est.3c02806

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Revisiting the Engineering Roadmap of Nitrate/Nitrite-Dependent Anaerobic Methane Oxidation

Sheng-Qiang Fan,

Wan-Ru Wen,

Guo-Jun Xie

et al.

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2024

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Cited by 8 publications

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Research progress and prospect of low-carbon biological technology for nitrate removal in wastewater treatment

Zheng,

Zhang,

Kong

et al. 2024

Front. Environ. Sci. Eng.

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Wastewater treatment plants are the major energy consumers and significant sources of greenhouse gas emissions, among which biological nitrogen removal of wastewater is an important contributor to carbon emissions. However, traditional heterotrophic denitrification still has the problems of excessive residual sludge and the requirement of external carbon sources. Consequently, the development of innovative low-carbon nitrate removal technologies is necessary. This review outlines the key roles of sulfur autotrophic denitrification and hydrogen autotrophic denitrification in low-carbon wastewater treatment. The discovered nitrate/nitrite dependent anaerobic methane oxidation enables sustainable methane emission reduction and nitrogen removal by utilizing available methane in situ. Photosynthetic microorganisms exhibited a promising potential to achieve carbon-negative nitrate removal. Specifically, the algal-bacterial symbiosis system and photogranules offer effective and prospective low-carbon options for nitrogen removal. Then, the emerging nitrate removal technology of photoelectrotrophic denitrification and the underlying photoelectron transfer mechanisms are discussed. Finally, we summarize and prospect these technologies, highlighting that solar-driven biological nitrogen removal technology is a promising area for future sustainable wastewater treatment. This review has important guiding significance for the design of low-carbon wastewater treatment systems.

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Research progress and prospect of low-carbon biological technology for nitrate removal in wastewater treatment

Zheng,

Zhang,

Kong

et al. 2024

Front. Environ. Sci. Eng.

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Simultaneous methane mitigation and nitrogen removal by denitrifying anaerobic methane oxidation in lake sediments

Bai,

Yang,

et al. 2024

Science of The Total Environment

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Anaerobic oxidation of methane driven by different electron acceptors: A review

Zhao,

Liu,

Cao

et al. 2024

Science of The Total Environment

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Revisiting the Engineering Roadmap of Nitrate/Nitrite-Dependent Anaerobic Methane Oxidation

Cited by 8 publications

References 120 publications

Research progress and prospect of low-carbon biological technology for nitrate removal in wastewater treatment

Research progress and prospect of low-carbon biological technology for nitrate removal in wastewater treatment

Simultaneous methane mitigation and nitrogen removal by denitrifying anaerobic methane oxidation in lake sediments

Anaerobic oxidation of methane driven by different electron acceptors: A review

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