Results 191 to 200 of about 3,318 (250)

Recent advances in biocathode materials and configurations for reactor applications in microbial electrosynthesis of CO2.

Science of the Total Environment
Elevated atmospheric carbon dioxide (CO2) levels driven by urbanization and anthropogenic activities have accelerated global warming. CO2 upcycling using microbial electrosynthesis (MES) offers a unique opportunity to address this critical issue.
N. Maile, Eunseo Kim, Minsoo Kim, Vidyasagar Devthade, N. Velhal, Young Eun Song, Min Jang, Jung Rae Kim   +7 more
semanticscholar   +1 more source

Evidence and Mechanisms of Selenate Reduction to Extracellular Elemental Selenium Nanoparticles on the Biocathode.

Environmental Science and Technology, 2022
Intracellular selenium nanoparticles (SeNPs) production is a roadblock to the recovery of selenium from biological water treatment processes because it is energy intensive to break microbial cells and then separate SeNPs.
Zhiming Zhang, Benhur K. Asefaw, Yi Xiong, Huan Chen, You-Neng Tang   +4 more
semanticscholar   +1 more source

Potential mechanisms of propionate degradation and methanogenesis in anaerobic digestion coupled with microbial electrolysis cell system: Importance of biocathode.

Bioresource Technology
Microbial electrolysis cells (MEC) have the potential for enhancing the efficiency of anaerobic digestion (AD). In this study, microbiological and metabolic pathways in the biocathode of anaerobic digestion coupled with microbial electrolysis cells ...
Meng Guo, Si-Jia Wei, Mei-Xin Guo, Mingxiao Li, Xue-Jiao Qi, Yong Wang, Xuan Jia   +6 more
semanticscholar   +1 more source

Highly selective and sensitive nitrite biocathode biosensor prepared by polarity inversion method coupled with selective removal of interfering electroactive bacteria.

Biosensors & bioelectronics, 2022
Nitrite is a multipurpose marker that needs to be detected quickly and accurately, including for water pollution and human urinary tract infections.
Zhufan Lin, Shaoan Cheng, Huahua Li, Beichen Jin, Xinyuan He   +4 more
semanticscholar   +1 more source

Synergistic effect of bioanode and biocathode on nitrobenzene removal: Microbial community structure and functions.

Science of the Total Environment, 2022
This study aimed to reveal the synergistic effect of bioanode and biocathode on nitrobenzene (NB) removal with different microbial community structures and functions. Single-chamber bioelectrochemical reactors were constructed and operated with different
Jiaping Hu, Guang-Li Liu, Hui Li, Haiping Luo, Ren-Duo Zhang   +4 more
semanticscholar   +1 more source

Granular activated carbon assisted biocathode for effective electrotrophic denitrification in microbial fuel cells.

Chemosphere
Granular activated carbon (GAC) has been widely used at the anode of a microbial fuel cell (MFC) to enhance anode performance due to its outstanding capacitance property.
B. S. Thapa, Saumya Pandit, Anup Gurung, Ebenezer Ashun, Seoung-Yun Ko, Sang-Eun Oh   +5 more
semanticscholar   +1 more source

Development of a three-dimensional macroporous sponge biocathode coated with carbon nanotube-MXene composite for high-performance microbial electrosynthesis systems.

Bioelectrochemistry, 2022
Microbial electrosynthesis (MES) is a renewable energy platform capable of reducing the carbon footprint by converting carbon dioxide/bicarbonate to useful chemical commodities.
K. Tahir, N. Maile, A. Ghani, Bolam Kim, Jiseon Jang, D. Lee   +5 more
semanticscholar   +1 more source

Biocathode-anode cascade system in PRB: Efficient degradation of p-chloronitrobenzene in groundwater.

Water Research
The consistent presence of p-chloronitrobenzene (p-CNB) in groundwater has raised concerns regarding its potential harm. In this study, we developed a biocathode-anode cascade system in a permeable reactive barrier (BACP), integrating biological ...
Pingli Li, Anan Jin, Yuxiang Liang, Yanqing Zhang, Dan-Na Ding, Hai Xiang, Yangcheng Ding, Xia-Wen Qiu, Wei Han, Fangfang Ye, Hua-Jun Feng   +10 more
semanticscholar   +1 more source

Role of Biocathodes in Bioelectrochemical Systems

2017
Environmental damage, depleting fossil fuels and energy security are major factors driving intensive research efforts to develop carbon neutral or carbon negative technologies which can be used to produce electricity and chemicals. Technologies under development to achieve this goal include those based on bioelectrochemical, biological, thermal and ...
V. Prakasam, S. G. F. Bagh, S. Ray, B. Fifield, L. A. Porter, J. A. Lalman   +5 more
openaire   +1 more source

Efficient nitrate removal via microorganism-iron oxide co-evolution on biocathode surface.

Bioelectrochemistry
Sediment microbial fuel cell (SMFC) is a device for biological denitrification, in which electrons produced by sediment microorganisms can be transferred to the upper layer of the water column lacking electron donors.
Xiaojun Liu, Huihui Dong, Qinyu Wang, Jing Yang, Xin-Ru Zhai, Mingzhen Lin, Kaixin Liu, Qin-Zheng Yang   +7 more
semanticscholar   +1 more source