The stimulatory effect of humic acid on the co-metabolic biodegradation of tetrabromobisphenol A in bioelectrochemical system

被引：41

作者：

Chen, Xiujuan ^{[1
]}

Xu, Yuan ^{[1
,3
]}

Fan, Mengjie ^{[2
]}

Chen, Yingwen ^{[1
,3
]}

Shen, Shubao ^{[1
]}

机构：

[1] Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, 30 Puzhu South Rd, Nanjing 210009, Jiangsu, Peoples R China

[2] Nanjing Tech Univ, Coll Mat Sci & Engn, Jiangsu Collaborat Innovat Ctr Adv Inorgan Funct, Nanjing 210009, Jiangsu, Peoples R China

[3] Nanjing Univ Informat Sci & Technol, Jiangsu Collaborat Innovat Ctr Atmospher Environm, Jiangsu Key Lab Atmospher Environm Monitoring & P, Nanjing 210044, Jiangsu, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2019年 / 235卷

基金：

中国国家自然科学基金;

关键词：

Tetrabromobisphenol A; Co-metabolic degradation; Humic acid; Bioelectrochemical system; MICROBIAL FUEL-CELLS; POTASSIUM MONOPERSULFATE; FLAME RETARDANTS; WASTE-WATER; DEGRADATION; OXIDATION; TRANSFORMATION; BIOFILM;

D O I：

10.1016/j.jenvman.2019.01.092

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this paper, the typical organic component of humic acid (HA) was studied to explore its effect on the cometabolic biodegradation of Tetrabromobisphenol A (TBBPA) in bioelectrochemical systems (BES). The degradation efficiency, intermediate metabolites and microbial diversity were investigated to demonstrate the impact of HA on the biodegradation of TBBPA in BES-HA-T (Bioelectrochemical system with TBBPA as substrate and HA as a stimulating factor). The highest biodegradation rate (93.2%) for TBBPA were obtained, which illustrated that HA played a positive role in the biodegradation of TBBPA. According to the analysis of the intermediate metabolites, it can be concluded that HA has changed the biodegradation pathway of TBBPA. The analysis of microbial diversity showed that the interaction of microorganisms had great effects on the anaerobic biodegradation of TBBPA, especially Trichococcus and Anaerolineaceae. Meanwhile, the abundance of Desulfobulbus in the BES-HA (Bioelectrochemical system with HA as a stimulating factor) had a positive effect on the improvement of electrochemical system performance.

引用

页码：350 / 356

页数：7

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