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Impact of salinity on anammox process operation: Mechanisms and mitigation strategies.

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Τίτλος: Impact of salinity on anammox process operation: Mechanisms and mitigation strategies.
Συγγραφείς: Tang J; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China., Li Y; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China., Wu J; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China., Wang Z; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China., Lv L; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China., Li Q; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.
Πηγή: Environmental research [Environ Res] 2025 Dec 01; Vol. 286 (Pt 2), pp. 122898. Date of Electronic Publication: 2025 Sep 18.
Τύπος έκδοσης: Journal Article; Review
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0147621 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1096-0953 (Electronic) Linking ISSN: 00139351 NLM ISO Abbreviation: Environ Res Subsets: MEDLINE
Imprint Name(s): Publication: <2000- > : Amsterdam : Elsevier
Original Publication: New York, Academic Press.
Ιατρικοί όροι (MeSH): Waste Disposal, Fluid*/methods , Ammonium Compounds*/metabolism , Salinity* , Anaerobic Ammonia Oxidation*, Wastewater ; Quorum Sensing ; Oxidation-Reduction
Περίληψη: The anaerobic ammonium oxidation (anammox) process is an economical and efficient technology for treating high-nitrogen wastewater. Nonetheless, elevated salinity levels in such wastewater significantly disrupt the stable operation of the anammox system, impeding its practical application. This review systematically evaluates the multifaceted effects of salinity on the anammox process. From the perspectives of the extracellular, intracellular, and microbial community, the influence mechanisms of salinity on the anammox process are elaborated in detail. Then, the spontaneous salt tolerance mechanisms of anaerobic ammonia oxidizing bacteria (AnAOB) were analyzed, including the salt-in strategy, compatible-solute strategy, and quorum sensing (QS). Finally, three strategies that can effectively alleviate salinity stress were summarized, and the future prospects of this field were discussed. This review seeks to provide a solid theoretical foundation for the engineering application of this technology in saline wastewater treatment.
(Copyright © 2025. Published by Elsevier Inc.)
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Contributed Indexing: Keywords: Anammox; Disinhibition strategies; Influence mechanisms; Nitrogen removal; Salinity
Substance Nomenclature: 0 (Wastewater)
0 (Ammonium Compounds)
Entry Date(s): Date Created: 20250920 Date Completed: 20251104 Latest Revision: 20251104
Update Code: 20260130
DOI: 10.1016/j.envres.2025.122898
PMID: 40975418
Βάση Δεδομένων: MEDLINE
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  Data: Impact of salinity on anammox process operation: Mechanisms and mitigation strategies.
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  Data: &lt;searchLink fieldCode=&quot;AU&quot; term=&quot;%22Tang+J%22&quot;&gt;Tang J&lt;/searchLink&gt;; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.&lt;br /&gt;&lt;searchLink fieldCode=&quot;AU&quot; term=&quot;%22Li+Y%22&quot;&gt;Li Y&lt;/searchLink&gt;; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.&lt;br /&gt;&lt;searchLink fieldCode=&quot;AU&quot; term=&quot;%22Wu+J%22&quot;&gt;Wu J&lt;/searchLink&gt;; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.&lt;br /&gt;&lt;searchLink fieldCode=&quot;AU&quot; term=&quot;%22Wang+Z%22&quot;&gt;Wang Z&lt;/searchLink&gt;; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.&lt;br /&gt;&lt;searchLink fieldCode=&quot;AU&quot; term=&quot;%22Lv+L%22&quot;&gt;Lv L&lt;/searchLink&gt;; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.&lt;br /&gt;&lt;searchLink fieldCode=&quot;AU&quot; term=&quot;%22Li+Q%22&quot;&gt;Li Q&lt;/searchLink&gt;; School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.
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  Data: The anaerobic ammonium oxidation (anammox) process is an economical and efficient technology for treating high-nitrogen wastewater. Nonetheless, elevated salinity levels in such wastewater significantly disrupt the stable operation of the anammox system, impeding its practical application. This review systematically evaluates the multifaceted effects of salinity on the anammox process. From the perspectives of the extracellular, intracellular, and microbial community, the influence mechanisms of salinity on the anammox process are elaborated in detail. Then, the spontaneous salt tolerance mechanisms of anaerobic ammonia oxidizing bacteria (AnAOB) were analyzed, including the salt-in strategy, compatible-solute strategy, and quorum sensing (QS). Finally, three strategies that can effectively alleviate salinity stress were summarized, and the future prospects of this field were discussed. This review seeks to provide a solid theoretical foundation for the engineering application of this technology in saline wastewater treatment.&lt;br /&gt; (Copyright &#169; 2025. Published by Elsevier Inc.)
– Name: Abstract
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  Data: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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  Data: &lt;i&gt;Keywords: &lt;/i&gt;Anammox; Disinhibition strategies; Influence mechanisms; Nitrogen removal; Salinity
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        Type: general
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      – SubjectFull: Oxidation-Reduction
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