New theoretical investigation of mechanism, kinetics, and toxicity in the degradation of dimetridazole and ornidazole by hydroxyl radicals in aqueous phase.

Degradation mechanism Dimetridazole (DMZ) Kinetic computation Ornidazole (ONZ) Toxicity evaluation

Journal

Journal of hazardous materials
ISSN: 1873-3336
Titre abrégé: J Hazard Mater
Pays: Netherlands
ID NLM: 9422688

Informations de publication

Date de publication:
15 01 2022
Historique:
received: 25 05 2021
revised: 14 08 2021
accepted: 15 08 2021
pubmed: 28 8 2021
medline: 15 12 2021
entrez: 27 8 2021
Statut: ppublish

Résumé

Dimetridazole (DMZ) and ornidazole (ONZ) have been widely used to treat anaerobic and protozoal infections. The residues of DMZ/ONZ persist in the water environment. The mechanisms and kinetics of hydroxyl-initiated oxidation, the primary DMZ/ONZ degradation method, were evaluated by quantum chemical methods.·OH-induced degradation of DMZ and ONZ shared many mechanistic and kinetic characteristics. The most feasible degradation pathway involved forming OH-imidazole adducts and NO

Identifiants

pubmed: 34449347
pii: S0304-3894(21)01898-7
doi: 10.1016/j.jhazmat.2021.126930
pii:
doi:

Substances chimiques

Water 059QF0KO0R
Hydroxyl Radical 3352-57-6
Ornidazole 62XCK0G93T
Dimetridazole K59P7XNB8X

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

126930

Informations de copyright

Copyright © 2021 Elsevier B.V. All rights reserved.

Auteurs

Junfang Yao (J)

Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei 435002, PR China.

Yizhen Tang (Y)

School of Environmental and municipal Engineering, Qingdao University of Technology, Fushun Road 11, Qingdao, Shandong, 266033, PR China.

Yunju Zhang (Y)

Key Laboratory of Photoinduced Functional Materials, Mianyang Normal University, Mianyang, Sichuan 621000, PR China.

Min Ruan (M)

Institute of Materials Science and Engineering, Hubei Polytechnic University, Huangshi, Hubei 435002, PR China.

Wenzhong Wu (W)

College of Foreign Languages, Hubei Normal University, Cihu Road 11, Huangshi, Hubei 435002, PR China.

Jingyu Sun (J)

Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei 435002, PR China. Electronic address: sunjy@hbnu.edu.cn.

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Classifications MeSH