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Chen T, Zou C, Chen F, Yuan Y, Pan J, Zhao Q, Wang M, Qiao L, Cheng H, Ding C, Wang A. Response of 2,4,6-trichlorophenol-reducing biocathode to burial depth in constructed wetland sediments. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:128066. [PMID: 34915250 DOI: 10.1016/j.jhazmat.2021.128066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/29/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Biocathode systems could be used for in-situ bioremediation of chlorophenols (CPs) in constructed wetland (CW) sediments. However, little is known regarding whether or how cathode burial depths affect the dechlorination of CPs in sediments. Here, 2,4,6-trichlorophenol (2,4,6-TCP)-dechlorinating biocathode systems were constructed under a cathode potential of - 0.7 V (vs. a saturated calomel electrode, SCE) at three different cathode burial depths (5, 10, and 15 cm). The 2,4,6-TCP removal efficiency and average transformation rate with the biocathode increased by 21.46-36.86% and 14.63-34.88% compared to those in the non-electrode groups. Deeper cathode burial depths enhanced the 2,4,6-TCP dechlorination performance. Furthermore, the oxidation-reduction potential (ORP) of the sediment decreased with sediment depth and the applied potential created a more favorable redox environment for the enrichment of functional bacteria. Deeper cathode burial depths also promoted the selective enrichment of electro-active and dechlorinating bacteria (e.g., Bacillus and Dehalobacter, respectively). The biocathode thus served as the carrier, electron source, and regulator of functional bacteria to accelerate the transformation of 2,4,6-TCP (2,4,6-TCP → 2,4-dichlorophenol → 4-chlorophenol → phenol) in sediments. These results offer insights into the effects of cathode burial depth on 2,4,6-TCP dechlorination in sediments from a redox environment and microbial community structure standpoint.
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Affiliation(s)
- Tianming Chen
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China; Jiangsu Province Engineering Research Center of Intelligent Environmental Protection Equipment, Yancheng Institute of Technology, Yancheng 224051, China
| | - Chao Zou
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Fan Chen
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710129, China
| | - Ye Yuan
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China; State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; Jiangsu Province Engineering Research Center of Intelligent Environmental Protection Equipment, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Jingjing Pan
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Qi Zhao
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Mansi Wang
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Liang Qiao
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China; Jiangsu Province Engineering Research Center of Intelligent Environmental Protection Equipment, Yancheng Institute of Technology, Yancheng 224051, China
| | - Haoyi Cheng
- State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Cheng Ding
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China; Jiangsu Province Engineering Research Center of Intelligent Environmental Protection Equipment, Yancheng Institute of Technology, Yancheng 224051, China
| | - Aijie Wang
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China; State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; Jiangsu Province Engineering Research Center of Intelligent Environmental Protection Equipment, Yancheng Institute of Technology, Yancheng 224051, China.
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Palma E, Espinoza Tofalos A, Daghio M, Franzetti A, Tsiota P, Cruz Viggi C, Papini MP, Aulenta F. Bioelectrochemical treatment of groundwater containing BTEX in a continuous-flow system: Substrate interactions, microbial community analysis, and impact of sulfate as a co-contaminant. N Biotechnol 2019; 53:41-48. [DOI: 10.1016/j.nbt.2019.06.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 06/03/2019] [Accepted: 06/08/2019] [Indexed: 11/28/2022]
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Shi LD, Wang M, Li ZY, Lai CY, Zhao HP. Dissolved oxygen has no inhibition on methane oxidation coupled to selenate reduction in a membrane biofilm reactor. CHEMOSPHERE 2019; 234:855-863. [PMID: 31252357 DOI: 10.1016/j.chemosphere.2019.06.138] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 06/02/2019] [Accepted: 06/18/2019] [Indexed: 06/09/2023]
Abstract
Methane oxidation coupled to selenate reduction has been suggested as a promising technology to bio-remediate selenium contaminated environments. However, the effect of dissolved oxygen (DO) on this process remained unclear. Here, we investigate the feasibility of selenate removal at two distinct DO concentrations. A membrane biofilm reactor (MBfR) was initially fed with ∼5 mg Se/L and then lowered to ∼1 mg Se/L of selenate, under anoxic condition containing ∼0.2 mg/L of influent DO. Selenate removal reached approximately 90% without selenite accumulation after one-month operation. Then 6-7 mg/L of DO was introduced and showed no apparent effect on selenate reduction in the subsequent operation. Electron microscopy suggested elevated oxygen exposure did not affect microbial shapes. 16S rDNA sequencing showed the aerobic methanotroph Methylocystis increased, while possible selenate reducers, Ignavibacterium and Bradyrhizobium, maintained stable after oxygen boost. Gene analysis indicated that nitrate/nitrite reductases positively correlated with selenate removal flux and were not remarkably affected by oxygen addition. Reversely, enzymes related with aerobic methane oxidation were obviously improved. This study provides a potential technology for selenate removal from oxygenated environments in a methane-based MBfR.
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Affiliation(s)
- Ling-Dong Shi
- MOE Key Lab of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Prov Key Lab Water Pollut Control & Envi, Zhejiang University, Hangzhou, Zhejiang, China
| | - Min Wang
- MOE Key Lab of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China
| | - Zi-Yan Li
- MOE Key Lab of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Prov Key Lab Water Pollut Control & Envi, Zhejiang University, Hangzhou, Zhejiang, China
| | - Chun-Yu Lai
- Advanced Water Management Centre, The University of Queensland, St. Lucia, Queensland, 4072, Australia
| | - He-Ping Zhao
- MOE Key Lab of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Prov Key Lab Water Pollut Control & Envi, Zhejiang University, Hangzhou, Zhejiang, China.
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Xu H, Zhao X, Huang S, Li H, Tong N, Wen X, Sun C, Fazal S, Zhang Y. Evaluation of microbial p-chloroaniline degradation in bioelectrochemical reactors in the presence of easily-biodegrading cosubstrates: Degradation efficiency and bacterial community structure. BIORESOURCE TECHNOLOGY 2018; 270:422-429. [PMID: 30245311 DOI: 10.1016/j.biortech.2018.09.064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 09/11/2018] [Accepted: 09/12/2018] [Indexed: 06/08/2023]
Abstract
This study aimed to illustrate p-Chloroaniline (p-CIA) biodegradation efficiencies in bioelectrochemical reactors under stimulation by a low-voltage electric field (0.2 V versus Ag/AgCl) in the presence of easily-degrading cosubstrates including glucose and acetate. The biodegradation efficiencies of closed-circuit bioreactors were compared with those of open-circuit reactors. Experimental results showed that the six different bioreactors provided different p-CIA biodegradation efficiencies. The highest biodegradation efficiency of 38.5 ± 10.3 mg/l was obtained in a closed-circuit bioreactor with acetate and the lowest biodegradation efficiency of 15.7 ± 9.4 mg/l was obtained in an open-circuit bioreactor. This difference may be attributed to the presence of electrical stimulation and acetate. The results for generated current and biodegradation efficiency indicated that acetate is a better cosubstrate than glucose. High-throughput sequencing technologies were used to characterise the bacterial community structure of the six bioreactors and revealed that different bacterial communities resulted in different treatment efficiencies.
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Affiliation(s)
- Hao Xu
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China
| | - Xuesong Zhao
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China
| | - Shaobin Huang
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China.
| | - Han Li
- School of Resource and Environmental Sciences, Henan Institute of Science and Technology, Xinxiang 453003, PR China
| | - Na Tong
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China
| | - Xiangyu Wen
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China
| | - Congcong Sun
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China
| | - Saima Fazal
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China
| | - Yongqing Zhang
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China
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Zhang P, Qu Y, Feng Y, Liu J. The influence of the filtration membrane air-cathode biofilm on wastewater treatment. BIORESOURCE TECHNOLOGY 2018; 256:17-21. [PMID: 29427863 DOI: 10.1016/j.biortech.2018.01.124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 01/19/2018] [Accepted: 01/20/2018] [Indexed: 06/08/2023]
Abstract
The aim of this work was to evaluate the influence of FMA biofilm on nutrient removal through the filtration membrane air-cathode (FMA) replacement test. The result showed that the biofilm accounted for only 29.9% of the COD removal, while 82.9% of the TN removal can be due to the contribution of the FMA biofilm. The microbial community analysis showed that most of the primary genus in the FMA biofilm were TN removal related bacteria. This quantitative determination of the FMA biofilm influence on COD and TN removal would promote the further optimization of the MFC reactor with FMA for higher wastewater treatment efficiency.
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Affiliation(s)
- Peng Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology. No 73 Huanghe Road, Nangang District, Harbin 150090, China
| | - Youpeng Qu
- School of Life Science and Technology, Harbin Institute of Technology. No. 2 Yikuang Street, Nangang District, Harbin 150080, China
| | - Yujie Feng
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology. No 73 Huanghe Road, Nangang District, Harbin 150090, China
| | - Jia Liu
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology. No 73 Huanghe Road, Nangang District, Harbin 150090, China.
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Yu H, Wan H, Feng C, Yi X, Liu X, Ren Y, Wei C. Microbial polychlorinated biphenyl dechlorination in sediments by electrical stimulation: The effect of adding acetate and nonionic surfactant. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 580:1371-1380. [PMID: 28038879 DOI: 10.1016/j.scitotenv.2016.12.102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 12/14/2016] [Accepted: 12/14/2016] [Indexed: 06/06/2023]
Abstract
The necessity for developing an efficient and cost-effective in situ bioremediation technology for sediments contaminated with polychlorinated biphenyls (PCBs) has prompted the application of low-voltage electrical fields to anaerobic digestion systems. Here we show that the use of a sediment-based bio-electrochemical reactor (BER) poised at a potential of -0.50V (vs. a standard calomel electrode, SCE) substantially enhanced the reduction of 2,3,4,5-tetrachlorobiphenyl (PCB 61) when acetate was added as a carbon source. The addition of surfactant Tween 80 to the BER further accelerated the PCB 61 transformation. The comparative study of closed- and open-circuit reactors demonstrated the enrichment conditions affecting the bacterial community structure, the dominant dechlorination metabolisms, and thus the extent, the rate and the products of the reduction of PCBs. The dominant bacterial dechlorinators detected in the BERs in the presence of acetate and Tween 80 are Dehalogenimonas, Dehalobacter, Sulfuricurvum, Dechloromonas and Geobacter, which should be responsible for PCB dechlorination. This study improves understanding of the key factors influencing dechlorination activity in sediment-based BERs polarized at a low potential, as well as the metabolic mechanisms dominating in the PCB dechlorination process.
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Affiliation(s)
- Hui Yu
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Hui Wan
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Chunhua Feng
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China; Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, South China University of Technology, Guangzhou 510006, PR China.
| | - Xiaoyun Yi
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Xiaoping Liu
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Yuan Ren
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Chaohai Wei
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
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Yu H, Feng C, Liu X, Yi X, Ren Y, Wei C. Enhanced anaerobic dechlorination of polychlorinated biphenyl in sediments by bioanode stimulation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 211:81-9. [PMID: 26745393 DOI: 10.1016/j.envpol.2015.12.039] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 12/17/2015] [Accepted: 12/18/2015] [Indexed: 05/20/2023]
Abstract
The application of a low-voltage electric field as an electron donor or acceptor to promote the bioremediation of chlorinated organic compounds represents a promising technology meeting the demand of developing an efficient and cost-effective strategy for in situ treatment of PCB-contaminated sediments. Here, we reported that bioanode stimulation with an anodic potential markedly enhanced dechlorination of 2,3,4,5-tetrachlorobiphenyl (PCB 61) contained in the sediment at an electronic waste recycling site of Qingyuan, Guangdong, China. The 110-day incubation of the bioanode with a potential poised at 0.2 V relative to saturated calomel electrode enabled 58% transformation of the total PCB 61 at the initial concentration of 100 μmol kg(-1), while only 23% was reduced in the open-circuit reference experiment. The introduction of acetate to the bioelectrochemical reactor (BER) further improved PCB 61 transformation to 82%. Analysis of the bacterial composition showed significant community shifts in response to variations in treatment. At phylum level, the bioanode stimulation resulted in substantially increased abundance of Actinobacteria, Bacteroidetes, and Chloroflexi either capable of PCB dechlorination, or detected in the PCB-contaminated environment. At genus level, the BER contained two types of microorganisms: electrochemically active bacteria (EAB) represented by Geobacter, Ignavibacterium, and Dysgonomonas, and dechlorinating bacteria including Hydrogenophaga, Alcanivorax, Sedimentibacter, Dehalogenimonas, Comamonas and Vibrio. These results suggest that the presence of EAB can promote the population of dechlorinating bacteria which are responsible for PCB 61 transformation.
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Affiliation(s)
- Hui Yu
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Chunhua Feng
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China.
| | - Xiaoping Liu
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Xiaoyun Yi
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Yuan Ren
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Chaohai Wei
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
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Zhou X, Qu Y, Kim BH, Du Y, Wang H, Li H, Dong Y, He W, Liu J, Feng Y. Simultaneous current generation and ammonia recovery from real urine using nitrogen-purged bioelectrochemical systems. RSC Adv 2015. [DOI: 10.1039/c5ra11556f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Ammonia could be recovered from human urine through combination of bioelectrochemical systems and nitrogen purging, with concomitant mitigation of ammonia inhibition of anode electroactivity.
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Affiliation(s)
- Xiangtong Zhou
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
| | - Youpeng Qu
- School of Life Science and Biotechnology
- Harbin Institute of Technology
- Harbin
- China
| | - Byung Hong Kim
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
- Bioelectrochemistry Laboratory
| | - Yue Du
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
| | - Haiman Wang
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
| | - Henan Li
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
| | - Yue Dong
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
| | - Weihua He
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
| | - Jia Liu
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
| | - Yujie Feng
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin
- China
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Zhou X, Qu Y, Kim BH, Du Y, Li D, Liu J, Feng Y. Azide as an oxidant in the cathodic reaction of bioelectrochemical systems (BESs). RSC Adv 2015. [DOI: 10.1039/c5ra19805d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Azide could be an oxidant at the abiotic cathode of a BES, where it accepts electrons from acetate oxidation at the anode. Electron balance demonstrated that azide reduction was an eight electron reaction, with ammonia as the only product.
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Affiliation(s)
- Xiangtong Zhou
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Youpeng Qu
- School of Life Science and Biotechnology
- Harbin Institute of Technology
- Harbin
- P. R. China
| | - Byung Hong Kim
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
- Bioelectrochemistry Laboratory
| | - Yue Du
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Da Li
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Jia Liu
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Yujie Feng
- State Key Laboratory of Urban Water Resource and Environment
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
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