Primary biodegradation and mineralization of aryl organophosphate flame retardants by Rhodococcus-Sphingopyxis consortium.

Biodegradation, Environmental Flame Retardants Organophosphates Rhodococcus Sphingomonadaceae
Biodegradation Mineralization Organophosphate flame retardants Rhodococcus-Sphingopyxis consortium Triphenyl phosphate

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 06 2021
Historique:
received: 17 11 2020
revised: 22 01 2021
accepted: 23 01 2021
pubmed: 8 2 2021
medline: 8 6 2021
entrez: 7 2 2021
Statut: ppublish

Résumé

In this study, the biodegradation towards aryl organophosphate flame retardants (aryl-OPFRs) was investigated by the Rhodococcus-Sphingopyxis consortium, mixture of strain Rhodococcus sp. YC-JH2 and Sphingopyxis sp. YC-JH3. The optimal ratio between the two composition strains was determined as 1:1. Under the optimum condition (pH 8, 35 °C and 0% salinity), the consortium could utilize aryl-OPFRs as sole carbon source and degrade them rapidly with half-life of 4.53, 21.11 and 23.0 h for triphenyl phosphate (TPhP), tricresyl phosphate (TCrP) and 2-ethylhexyl diphenyl phosphate (EHDPP) respectively. The consortium maintained high degrading efficiency under a wide of range of pH (6-10), temperature (20-40 °C) and salinity (0-6%). Besides, the consortium could rapidly degrade high concentration of TPhP and no inhibitory effect towards degradation speed was observed up to 500 mg/L. The effect of metal ions and surfactants was estimated. Most metal ions exhibited significant inhibition, except Zn

Identifiants

DOI: 10.1016/j.jhazmat.2021.125238 PMID: 33550123
pubmed: 33550123
pii: S0304-3894(21)00201-6
doi: 10.1016/j.jhazmat.2021.125238
pii:
doi:

Substances chimiques

Flame Retardants 0
Organophosphates 0

Types de publication

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

Langues

eng

Sous-ensembles de citation

IM

Pagination

125238

Informations de copyright

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

Auteurs

Junhuan Wang (J)

Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address: 82101171004@caas.cn.

Thet Su Hlaing (TS)

Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China; Biotechnology Research Department, Department of Research and Innovation, Kyaukse, Myanmar. Electronic address: thetsuhlaing11@gmail.com.

May Thet Nwe (MT)

Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China; Biotechnology Research Department, Department of Research and Innovation, Kyaukse, Myanmar. Electronic address: maythetnwe1@googlemail.com.

Mar Mar Aung (MM)

Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China; Department of Biotechnology, Mandalay Technological University, Mandalay, Myanmar. Electronic address: marmaraung1@gmail.com.

Chao Ren (C)

Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address: 379477084@qq.com.

Wei Wu (W)

Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address: wuwei02@caas.cn.

Yanchun Yan (Y)

Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address: yanyanchun@caas.cn.

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Classifications MeSH

questionsmedicales.fr › Environnement et santé publique › Santé publique › Pollution de l'environnement › Assainissement et restauration de l'environnement › Dépollution biologique de l'environnement › Primary biodegradation and mineralization of...
questionsmedicales.fr › Actions chimiques et utilisations › Utilisations spécialisées de produits chimiques › Ignifuges › Primary biodegradation and mineralization of...
questionsmedicales.fr › Composés chimiques organiques › Composés organiques du phosphore › Organophosphates › Primary biodegradation and mineralization of...
questionsmedicales.fr › Bactéries › Bactéries à Gram positif › Nocardiaceae › Rhodococcus › Primary biodegradation and mineralization of...
questionsmedicales.fr › Bactéries › Proteobacteria › Alphaproteobacteria › Sphingomonadaceae › Primary biodegradation and mineralization of...