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Journal Article 6

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biocathode 3

Biocathode 2

microbial fuel cell (MFC) 2

Boron-doped diamond 1

CO2 utilization 1

Carbon dioxide 1

Co(II) removal 1

Cu(II) removal 1

Electrochemical oxidation 1

Extracellular electron transfer 1

Graphite anode 1

Microbial electrochemical technology 1

Transcriptional analysis 1

bicarbonate 1

cathode potential 1

denitrifying 1

electricity generation 1

hydrogen production 1

microbial electrolysis cell 1

microbial electrolysis cell (MEC) 1

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Effects of bicarbonate and cathode potential on hydrogen production in a biocathode electrolysis cell

Dawei LIANG,Yanyan LIU,Sikan PENG,Fei LAN,Shanfu LU,Yan XIANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 624-630 doi: 10.1007/s11783-013-0584-2

Abstract: A biocathode with microbial catalyst in place of a noble metal was successfully developed for hydrogenThe strategy for fast biocathode cultivation was demonstrated.was then inversely polarized with an applied voltage in a half-cell to enrich the hydrogen-evolving biocathodeThe electrocatalytic hydrogen evolution reaction (HER) kinetics of the biocathode MEC could be enhancedAs a consequence, more mass H can be released to accelerate the biocathode-catalyzed HER rate.

Keywords： microbial electrolysis cell (MEC)     biocathode     hydrogen production     bicarbonate     cathode potential    

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Sediment microbial fuel cell with floating biocathode for organic removal and energy recovery

Aijie WANG, Haoyi CHENG, Nanqi REN, Dan CUI, Na LIN, Weimin WU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 569-574 doi: 10.1007/s11783-011-0335-1

Abstract: A sediment microbial fuel cell (SMFC) with three dimensional floating biocathode (FBC) was developedThe biocathode was made from graphite granules with microbial attachment to replace platinum (Pt)-coatedThe biocathode was better than carbon paper cathode catalyzed by Pt.

Keywords： microbial fuel cell (MFC)     sediment     biocathode     electricity generation     organic removal    

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Electricity-driven ammonia oxidation and acetate production in microbial electrosynthesis systems

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1476-5

Abstract:

• MES was constructed for simultaneous ammonia removal and acetate production.

Keywords： Biocathode     Carbon dioxide     Electrochemical oxidation     Graphite anode     Boron-doped diamond    

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Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 913-919 doi: 10.1007/s11783-013-0583-3

Abstract: A scaled up microbial fuel cell (MFC) of a 50 L volume was set up with an oxic-anoxic two-stage biocathode

Keywords： microbial fuel cell (MFC)     oxic-anoxic two stage biocathode     denitrifying    

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Microbial electrolysis cells with biocathodes and driven by microbial fuel cells for simultaneous enhanced Co(II) and Cu(II) removal

Jingya SHEN,Yuliang SUN,Liping HUANG,Jinhui YANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1084-1095 doi: 10.1007/s11783-015-0805-y

Abstract: Cobalt and copper recovery from aqueous Co(II) and Cu(II) is one critical step for cobalt and copper wastewaters treatment. Previous tests have primarily examined Cu(II) and Co(II) removal in microbial electrolysis cells (MECs) with abiotic cathodes and driven by microbial fuel cell (MFCs). However, Cu(II) and Co(II) removal rates were still slow. Here we report MECs with biocathodes and driven by MFCs where enhanced removal rates of 6.0±0.2 mg?L ?h for Cu(II) at an initial concentration of 50 mg?L and 5.3±0.4 mg?L h for Co(II) at an initial 40 mg?L were achieved, 1.7 times and 3.3 times as high as those in MECs with abiotic cathodes and driven by MFCs. Species of Cu(II) was reduced to pure copper on the cathodes of MFCs whereas Co(II) was removed associated with microorganisms on the cathodes of the connected MECs. Higher Cu(II) concentrations and smaller working volumes in the cathode chambers of MFCs further improved removal rates of Cu(II) (115.7 mg?L ?h ) and Co(II) (6.4 mg?L ?h ) with concomitantly achieving hydrogen generation (0.05±0.00 mol?mol COD). Phylogenetic analysis on the biocathodes indicates dominantly accounted for 67.9% of the total reads, followed by (14.0%), (6.1%), (2.5%), (1.4%), and (1.0%). This study provides a beneficial attempt to achieve simultaneous enhanced Cu(II) and Co(II) removal, and efficient Cu(II) and Co(II) wastewaters treatment without any external energy consumption.

Keywords： biocathode     microbial electrolysis cell     microbial fuel cell     Cu(II) removal     Co(II) removal    

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Flow-Electrode Microbial Electrosynthesis for Increasing Production Rates and Lowering Energy Consumption Article

Na Chu, Donglin Wang, Houfeng Wang, Qinjun Liang, Jiali Chang, Yu Gao, Yong Jiang, Raymond Jianxiong Zeng

Engineering 2023, Volume 25, Issue 6,   Pages 157-167 doi: 10.1016/j.eng.2021.09.015

Abstract:

The development of microbial electrosynthesis (MES) for renewable electricity-driven bioutilization of CO2 has recently attracted considerable interest due to its ability to synthesize chemicals with the transition towards a circular carbon economy. However, the increase of acetate production and the decrease of energy consumption of MES using an advanced reactor design have received less attention. In this study, the total acetate production rate using novel flow-electrode MES reactors ((16 ± 1) g·m−2·d−1) was double that using reactors without powder activated carbon (PAC) amendment ((8 ± 3) g·m−2·d−1). The flow-electrode MES reactors had a Coulombic efficiency of 43.5% ± 3.1%, an energy consumption of (0.020 ± 0.005) kW·h·g−1, and an energy efficiency of 18.7% ± 1.3% during acetate production. The flow-electrode with PAC amendment could decrease the net water flux and charge transfer resistance, while had little impact on the cell voltage, rheological behavior, and acetate adsorption. In the flow-electrode MES reactors, the expression of genes involving in energy production and conversion were increased, and the increase of acetate production was found correlated with the increased abundance of Acetobacterium. The Wood–Ljungdahl pathway (WLP) and reductive citric acid cycle (rTCA) were found to be the complete pathways responsible for carbon fixation. The concentrations of acetate in the stacked flow-electrode MES reached 7.0 g·L−1. This study presents a new approach for the construction of scalable MES reactors with high-performance chemical generation and CO2 utilization.

Keywords： CO2 utilization     Biocathode     Transcriptional analysis     Microbial electrochemical technology    

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Title Author Date Type Operation

Effects of bicarbonate and cathode potential on hydrogen production in a biocathode electrolysis cell

Dawei LIANG,Yanyan LIU,Sikan PENG,Fei LAN,Shanfu LU,Yan XIANG

Journal Article

Sediment microbial fuel cell with floating biocathode for organic removal and energy recovery

Aijie WANG, Haoyi CHENG, Nanqi REN, Dan CUI, Na LIN, Weimin WU

Journal Article

Electricity-driven ammonia oxidation and acetate production in microbial electrosynthesis systems

Journal Article

Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Journal Article

Microbial electrolysis cells with biocathodes and driven by microbial fuel cells for simultaneous enhanced Co(II) and Cu(II) removal

Jingya SHEN,Yuliang SUN,Liping HUANG,Jinhui YANG

Journal Article

Flow-Electrode Microbial Electrosynthesis for Increasing Production Rates and Lowering Energy Consumption

Na Chu, Donglin Wang, Houfeng Wang, Qinjun Liang, Jiali Chang, Yu Gao, Yong Jiang, Raymond Jianxiong Zeng

Journal Article