Characterization of pyridine biodegradation by two Enterobacter sp. strains immobilized on Solidago canadensis L. stem derived biochar

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成果类型：

期刊论文

作者：

Nie, Zimeng;Yan, Binghua;Xu, Yunhai;Awasthi, Mukesh Kumar;Yang, Haijun

作者机构：

[Nie, Zimeng] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

[Yan, Binghua; Yang, Haijun; Xu, Yunhai] Hunan Agr Univ, Coll Plant Protect, Changsha 410128, Hunan, Peoples R China.

[Nie, Zimeng] Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan, Peoples R China.

[Awasthi, Mukesh Kumar] Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China.

[Awasthi, Mukesh Kumar] Univ Boras, Swedish Ctr Resource Recovery, S-50190 Boras, Sweden.

语种：

英文

关键词：

Aerobic bacteria;Mass spectrometry;Mineralogy;Pyridine;Radioactive waste vitrification;Wastewater treatment;Bio chars;Enterobacter cloacae;Enterobacter sp;Immobilisation;Intermediate;Metabolic pathways;Mineralisation;Pesticide wastewater;Solidago canadensis;Waste water treatment plants;Biodegradation;pyridine derivative;biochar;charcoal;pyridine derivative;acetaldehyde;biochar;biodegradation;immobilization;mineralization;organic compound;pesticide residue;salinity;wastewater treatment plant;Article;bacterial strain;bacterium isolation;biodegradation;concentration (parameter);controlled study;Enterobacter cloacae;environmental factor;mineralization;nonhuman;pH;salinity;Solidago;temperature;waste component removal;waste water treatment plant;bioremediation;Enterobacter;Enterobacter;Enterobacter cloacae complex;Enterobacter sp.;Solidago canadensis;Biodegradation, Environmental;Charcoal;Enterobacter;Pyridines;Solidago

期刊：

Journal of Hazardous Materials

ISSN：

0304-3894

年：

2021

卷：

414

页码：

125577

DOI：

10.1016/j.jhazmat.2021.125577

基金类别：

This work was supported by Hunan Provincial Key Research and Development ( 2020WK2015 ) and Hunan Provincial Natural Science Foundation ( 2020JJ6059 ). Heartfelt thanks go to Prof. Huang Shaojun from the Faculty of Life Science and Technology, Kunming University of Science and Technology for GC-MS data analysis. This work was supported by Hunan Provincial Key Research and Development (2020WK2015) and Hunan Provincial Natural Science Foundation (2020JJ6059). Heartfelt thanks go to Prof. Huang Shaojun from the Faculty of Life Science and Technology, Kunming University of Science and Technology for GC-MS data analysis.

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植物保护学院

资源环境学院

摘要：

In this study, two pyridine-degrading strains namely Enterobacter cloacae complex sp. BD17 and Enterobacter sp.BD19 were isolated from the aerobic tank of a pesticide wastewater treatment plant. The mixed bacteria H4 composed of BD17 and BD19 at a ratio of 1:1 was immobilized by Solidago canadensis L. stem biochar with a dosage of 2 g·L−1. The highest pyridine removal rate of 91.70% was achieved by the immobilized H4 at an initial pyridine concentration of 200 mg·L−1, pH of 7.0, temperature of 28 °C and salinity of 3.0% within 36 h. The ma...

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Characterization of pyridine biodegradation by two Enterobacter sp. strains immobilized on Solidago canadensis L. stem derived biochar

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