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Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system
Yang, Li-Hui; Cheng, Hao-Yi; Zhu, Ting-Ting; Wang, Hong-Cheng; Haider, Muhammad Rizwan; Wang, Ai-Jie
2021-04-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume408Pages:-
AbstractBioelectrochemical systems (BESs) have been known as a promising technology for accelerating aromatic contaminants degradation and energy recovery. However, most existing studies concentrate on aromatics metabolized through a benzoyl-CoA pathway while those metabolized through other pathways are limited. In this work, resorcinol, a typical aromatic contaminant as well as a key central intermediate (other than benzoyl-CoA) involved in aromatics anaerobic biodegradation, was studied in BESs. Unlike the general impression of the relatively poor organic-to-current performance in the aromatics driven BESs, high efficiencies for resorcinol-fed BESs were observed with a current density and coulombic efficiency of up to 0.26 +/- 0.05 mA cm-2 and 74.3 +/- 10.7%, respectively. The higher performance likely correlates to the readily fermentable property of resorcinol. Analysis of microbial communities in the biofilm suggests a syntrophic interaction between resorcinol-degrading bacteria (RDB) and anode-respiring bacteria (ARB) was involved in current generation. Additional tests involving the removal of accumulated acetate through fast resorcinol feeding indicates that a mechanism based on direct utilization of resorcinol for current generation may also exist. This study extends the knowledge for the fate of aromatics in BESs and indicates that aromatics entering into the resorcinol metabolic pathway can be treated efficiently with good energy recovery efficiency in BESs.
Department中国科学院环境生物技术重点实验室
KeywordBioelectrochemical systems Aromatics Resorcinol High efficiency Syntrophic interaction
WOS Research AreaEngineering, Environmental ; Environmental Sciences
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46148
Collection中国科学院环境生物技术重点实验室
Affiliation1.Dongguan Univ Technol, Res Ctr Ecoenvironm Engn, Dongguan 523808, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Environm Biotechnol, Beijing 100085, Peoples R China
3.Harbin Inst Technol, Sch Civil & Environm Engn, Shenzhen 518055, Peoples R China
4.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Yang, Li-Hui,Cheng, Hao-Yi,Zhu, Ting-Ting,et al. Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system[J]. JOURNAL OF HAZARDOUS MATERIALS,2021,408:-.
APA Yang, Li-Hui,Cheng, Hao-Yi,Zhu, Ting-Ting,Wang, Hong-Cheng,Haider, Muhammad Rizwan,&Wang, Ai-Jie.(2021).Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system.JOURNAL OF HAZARDOUS MATERIALS,408,-.
MLA Yang, Li-Hui,et al."Resorcinol as a highly efficient aromatic electron donor in bioelectrochemical system".JOURNAL OF HAZARDOUS MATERIALS 408(2021):-.
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