Heterotrophic sulfide-oxidizing nitrate-reducing bacteria enables the high performance of integrated autotrophic-heterotrophic denitrification (IAHD) process under high sulfide loading.

Autotrophic Processes Bacteria Bioreactors Denitrification Nitrates Oxidation-Reduction Sulfides
Autotrophic and heterotrophic denitrification Heterotrophic sulfide-oxidizing nitrate-reducing bacteria (h-soNRB) High sulfide loading Metabolic network of sulfur Micro-aerobic enhancement Nitrogen and carbon

Journal

Water research
ISSN: 1879-2448
Titre abrégé: Water Res
Pays: England
ID NLM: 0105072

Informations de publication

Date de publication:
01 Jul 2020
Historique:
received: 14 02 2020
revised: 04 04 2020
accepted: 16 04 2020
pubmed: 4 5 2020
medline: 26 5 2020
entrez: 4 5 2020
Statut: ppublish

Résumé

Micro-aerobic enhancement technology has been developed as an effective tool to enhance simultaneous removal of sulfide, nitrate and organic carbon during the integrated autotrophic-heterotrophic denitrification (IAHD) process under high loading; however, its mechanism of enhancement for functional bacteria remains ambiguous. In this study, we discovered that heterotrophic sulfide-oxidizing nitrate-reducing bacteria (h-soNRB) are responsible for enhancing IAHD performance under micro-aerobic conditions with high sulfide loading. In a continuous IAHD bioreactor, aeration rate of 2.6 mL min

Identifiants

DOI: 10.1016/j.watres.2020.115848 PMID: 32361288
pubmed: 32361288
pii: S0043-1354(20)30385-7
doi: 10.1016/j.watres.2020.115848
pii:
doi:

Substances chimiques

Nitrates 0
Sulfides 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

115848

Informations de copyright

Copyright © 2020 Elsevier Ltd. All rights reserved.

Déclaration de conflit d'intérêts

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.

Auteurs

Ruo-Chen Zhang (RC)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China; School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin, 300401, China.

Chuan Chen (C)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China. Electronic address: cchen@hit.edu.cn.

Bo Shao (B)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China.

Wei Wang (W)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China.

Xi-Jun Xu (XJ)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China.

Xu Zhou (X)

Engineering Laboratory of Microalgal Bioenergy, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, 518055, China.

Yu-Nong Xiang (YN)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China.

Lei Zhao (L)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China.

Duu-Jong Lee (DJ)

Department of Chemical Engineering, National Taiwan University, Taipei, 106, Taiwan; Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, 106, Taiwan.

Nan-Qi Ren (NQ)

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China.

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Classifications MeSH

questionsmedicales.fr › Métabolisme › Processus autotrophes › Heterotrophic sulfide-oxidizing...
questionsmedicales.fr › Bactéries › Heterotrophic sulfide-oxidizing...
questionsmedicales.fr › Technologie, industrie et agriculture › Technologie › Biotechnologie › Bioréacteurs › Heterotrophic sulfide-oxidizing...
questionsmedicales.fr › Phénomènes biologiques › Phénomènes écologiques et environnementaux › Cycle de l'azote › Dénitrification › Heterotrophic sulfide-oxidizing...
questionsmedicales.fr › Composés chimiques organiques › Nitrates › Heterotrophic sulfide-oxidizing...
questionsmedicales.fr › Métabolisme › Métabolisme énergétique › Oxydoréduction › Heterotrophic sulfide-oxidizing...
questionsmedicales.fr › Composés chimiques organiques › Composés du soufre › Sulfures › Heterotrophic sulfide-oxidizing...