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Solid-phase denitrification for water remediation: processes, limitations, and new aspects
Zhong,Hua1,2; Cheng,Ying3; Ahmad,Zulfiqar2; Shao,Yalu2; Zhang,Hongwei2; Lu,Qihong1; Shim,Hojae1
Source PublicationCRITICAL REVIEWS IN BIOTECHNOLOGY
ISSN0738-8551
2020-11-16
Abstract

Nitrate pollution in water environments is a ubiquitous problem. Solid-phase denitrification (SPD) is a technology that has attracted in recent years increasing attention due to its significant advantage suitability over the aqueous-based denitrification for in situ water remediation. This paper provides a view of new aspects of the application of SPD for water remediation. The processes and mechanisms for nitrogen transformation in SPD, for example, direct denitrification, dissimilatory nitrate reduction to ammonium, and anammox are presented. The main processes of the transformation of the carbon substrate in SPD are also discussed. The major limitations of SPD, including low carbon availability, NO and NO accumulation, dissolved organic carbon release, and NH production, are summarized and the factors associated with such limitations are also discussed. In addition, some novel measures to mitigate these limitations, such as applying a biodegradable polymer substrate and heterotrophic-autotrophic denitrification (HAD) process, are described. Finally, simultaneous removal of nitrate and some typical concurrent contaminants for expanded application of SPD are discussed. This review attempts to advance our understanding of engineered denitrification processes for wastewater treatment or water remediation.

KeywordAnammox Biodegradable Polymers Concurrent Contaminants Heterotrophic-autotrophic Denitrification Nitrate Solid-phase Denitrification
Language英語English
DOI10.1080/07388551.2020.1805720
URLView the original
Volume40
Issue8
Pages1113-1130
WOS IDWOS:000559577500001
WOS SubjectBiotechnology & Applied Microbiology
WOS Research AreaBiotechnology & Applied Microbiology
Indexed BySCIE
Scopus ID2-s2.0-85089448502
Fulltext Access
FWCI0.80288684
Citation statistics
Document TypeReview article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorShim,Hojae
Affiliation1.Faculty of Science and Technology,Department of Civil and Environmental Engineering,University of Macau,Macao
2.State Key Laboratory of Water Resources and Hydropower Engineering Science,Wuhan University,Wuhan,China
3.College of Environmental Science and Engineering,Hunan University,Changsha,China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Zhong,Hua,Cheng,Ying,Ahmad,Zulfiqar,et al.Solid-phase denitrification for water remediation: processes, limitations, and new aspects[J].CRITICAL REVIEWS IN BIOTECHNOLOGY.2020.40(8):1113-1130.
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