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Ma Y, Liu S, Cui L, Fei Q, Wang Q. Turning food waste to microbial lipid towards a superb economic and environmental sustainability: An innovative integrated biological route. ENVIRONMENTAL RESEARCH 2024; 255:119125. [PMID: 38740293 DOI: 10.1016/j.envres.2024.119125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/06/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024]
Abstract
With the drastic growth of the economic and population, the global energy requirement is on the rise, and massive human and material resources have been put into the development of alternative and renewable energy sources. Biodiesel has been recognized as a green and sustainable alternative energy, but the raw materials-associated source and cost makes it difficult to achieve large-scale commercial production. Microbial lipids (ML) produced by oleaginous microbes have attracted more and more topics as feedstocks for biodiesel production because of their unique advantages (fast growth cycle, small footprint and so on). However, there are still many problems and challenges ahead towards commercialization of ML-based biodiesel, especially the cost of feedstock for ML production. Food waste (FW) rich in organic matters and nutrients is an excellent and almost zero-cost feedstock for ML production. However, current biological routes of FW-based ML production have some defects, which make it impossible to achieve full industrialization at present. Therefore, this review intends to provide a critical and comprehensive analysis of current biological routes of FW-based ML production with the focus on the challenges and solutions forward. The biological routes towards future FW-based ML production must be able to concurrently achieve economic feasibility and environmental sustainability. On this condition, an innovative integrated biological route for FW-based ML production has thus been put forward, which is also elucidated on its economic and environmental sustainability. Moreover, the prospective advantages, limitations and challenges for future scale-up of FW-based ML production have also been outlined, together with the perspectives and directions forward.
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Affiliation(s)
- Yingqun Ma
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Xi'an Key Laboratory of C1 Compound Bioconversion Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Shaanxi Key Laboratory of Energy Chemical Process Intensification, Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Shiman Liu
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Lihui Cui
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Qiang Fei
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Xi'an Key Laboratory of C1 Compound Bioconversion Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Shaanxi Key Laboratory of Energy Chemical Process Intensification, Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Qunhui Wang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
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Kunwar S, Pandey N, Bhatnagar P, Chadha G, Rawat N, Joshi NC, Tomar MS, Eyvaz M, Gururani P. A concise review on wastewater treatment through microbial fuel cell: sustainable and holistic approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:6723-6737. [PMID: 38158529 DOI: 10.1007/s11356-023-31696-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Research for alternative sources for producing renewable energy is rising exponentially, and consequently, microbial fuel cells (MFCs) can be seen as a promising approach for sustainable energy production and wastewater purification. In recent years, MFC is widely utilized for wastewater treatment in which the removal efficiency of heavy metal ranges from 75-95%. They are considered as green and sustainable technology that contributes to environmental safety by reducing the demand for fossil fuels, diminishes carbon emissions, and reverses the trend of global warming. Moreover, significant reduction potential can be seen for other parameters such as total carbon oxygen demand (TCOD), soluble carbon oxygen demand (SCOD), total suspended solids (TSS), and total nitrogen (TN). Furthermore, certain problems like economic aspects, model and design of MFCs, type of electrode material, electrode cost, and concept of electro-microbiology limit the commercialization of MFC technology. As a result, MFC has never been accepted as an appreciable competitor in the area of treating wastewater or renewable energy. Therefore, more efforts are still required to develop a useful model for generating safe, clean, and CO2 emission-free renewable energy along with wastewater treatment. The purpose of this review is to provide a deep understanding of the working mechanism and design of MFC technology responsible for the removal of different pollutants from wastewater and generate power density. Existing studies related to the implementation of MFC technology in the wastewater treatment process along with the factors affecting its functioning and power outcomes have also been highlighted.
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Affiliation(s)
- Saloni Kunwar
- Department of Biotechnology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India
| | - Neha Pandey
- Department of Biotechnology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India
| | - Pooja Bhatnagar
- Algal Research and Bioenergy Laboratory, Department of Food Science & Technology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India
| | - Gurasees Chadha
- Department of Biotechnology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India
| | - Neha Rawat
- Department of Microbiology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India
| | - Naveen Chandra Joshi
- Division of Research and Innovation, Uttaranchal University, Dehradun, Uttarakhand, 248007, India
| | - Mahipal Singh Tomar
- Department of Food Process Engineering, National Institute of Technology, Rourkela, 769008, India
| | - Murat Eyvaz
- Department of Environmental Engineering, Gebze Technical University, Gebze-Kocaeli, Turkey
| | - Prateek Gururani
- Department of Biotechnology, Graphic Era (Deemed to Be University), Dehradun, Uttarakhand, 248002, India.
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Mandal S, Sundaramurthy S, Arisutha S, Rene ER, Lens PNL, Zahmatkesh S, Amesho KTT, Bokhari A. Generation of bio-energy after optimization and controlling fluctuations using various sludge activated microbial fuel cell. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:125077-125087. [PMID: 36920610 DOI: 10.1007/s11356-023-26344-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
An aerobic microbial fuel cell (MFC) was designed to produce bio-electricity using cow manure-pretreated slurry (CM) and sewage sludge (SS). A comparative study of parametric effects on power generation for various parameters like feed ratio of wastes, pH of anode media, and electrode depth was conducted. This experiment aimed to identify the most important system parameters and optimize them to develop a suitable controller for a stable output. Power production reached its maximum at an electrode depth of 7 cm, a pH of 6, and a feed ratio of 2:1 in the CM + SS system before applying the controller. Response surface methodology (RSM) was practiced to explore the relationships between various parameters and the response using MINITAB software. The regression equation of the most productive system deduced from the RSM result has an R2 value of 85.3%. The results show that an ON/OFF controller works satisfactorily in this study. The highest energy-generating setup has a chemical oxygen demand (COD) removal efficiency of 45%. The morphology and content of the used wastes indicate that they can be recycled in other applications.
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Affiliation(s)
- Snigdha Mandal
- Biochemical and Energy Engineering Laboratory, Department of Chemical Engineering, Maulana Azad National Institute of Technology, Bhopal, 462 003, India
- Analytical and Simulation Laboratory, Department of Chemical Engineering, Maulana Azad National Institute of Technology, Bhopal, 462 003, India
| | - Suresh Sundaramurthy
- Biochemical and Energy Engineering Laboratory, Department of Chemical Engineering, Maulana Azad National Institute of Technology, Bhopal, 462 003, India.
- Analytical and Simulation Laboratory, Department of Chemical Engineering, Maulana Azad National Institute of Technology, Bhopal, 462 003, India.
| | - Suresh Arisutha
- Energy Centre, Maulana Azad National Institute of Technology, Bhopal, 462 003, India
| | - Eldon Raj Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, 2601 DA, Delft, the Netherlands
| | - Piet N L Lens
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, 2601 DA, Delft, the Netherlands
| | - Sasan Zahmatkesh
- Department of Chemical Engineering, University of Science and Technology of Mazandaran, P.O. Box, Behshahr, 48518-78195, Iran.
- Sustainable Process Integration Laboratory, SPIL, NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology, VUT Brno, Technická 2896/2, 616 00, Brno, Czech Republic.
- Tecnologico de Monterrey, Escuela de Ingenieríay Ciencias, Puebla, Mexico.
| | - Kassian T T Amesho
- Institute of Environmental Engineering, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan
- The International University of Management, Centre for Environmental Studies, Main Campus, Dorado Park Ext 1, Windhoek, Namibia
- Destinies Biomass Energy and Farming Pty Ltd, P.O.Box 7387, Swakomund, Namibia
| | - Awais Bokhari
- Sustainable Process Integration Laboratory, SPIL, NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology, VUT Brno, Technická 2896/2, 616 00, Brno, Czech Republic
- Chemical Engineering Department, COMSATS University Islamabad (CUI), Lahore Campus, Lahore, 54000, Punjab, Pakistan
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Bhattacharya A, Garg S, Chatterjee P. Examining current trends and future outlook of bio-electrochemical systems (BES) for nutrient conversion and recovery: an overview. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:86699-86740. [PMID: 37438499 DOI: 10.1007/s11356-023-28500-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 06/25/2023] [Indexed: 07/14/2023]
Abstract
Nutrient-rich waste streams from domestic and industrial sources and the increasing application of synthetic fertilizers have resulted in a huge-scale influx of reactive nitrogen and phosphorus in the environment. The higher concentrations of these pollutants induce eutrophication and foster degradation of aquatic biodiversity. Besides, phosphorus being non-renewable resource is under the risk of rapid depletion. Hence, recovery and reuse of the phosphorus and nitrogen are necessary. Over the years, nutrient recovery, low-carbon energy, and sustainable bioremediation of wastewater have received significant interest. The conventional wastewater treatment technologies have higher energy demand and nutrient removal entails a major cost in the treatment process. For these issues, bio-electrochemical system (BES) has been considered as sustainable and environment friendly wastewater treatment technologies that utilize the energy contained in the wastewater so as to recovery nutrients and purify wastewater. Therefore, this article comprehensively focuses and critically analyzes the potential sources of nutrients, working mechanism of BES, and different nutrient recovery strategies to unlock the upscaling opportunities. Also, economic analysis was done to understand the technical feasibility and potential market value of recovered nutrients. Hence, this review article will be useful in establishing waste management policies and framework along with development of advanced configurations with major emphasis on nutrient recovery rather than removal from the waste stream.
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Affiliation(s)
- Ayushman Bhattacharya
- Department of Civil Engineering, Indian Institute of Technology Hyderabad, Hyderabad, India, 502285
| | - Shashank Garg
- Department of Civil Engineering, Indian Institute of Technology Hyderabad, Hyderabad, India, 502285
| | - Pritha Chatterjee
- Department of Civil Engineering, Indian Institute of Technology Hyderabad, Hyderabad, India, 502285.
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Khan MD, Tabraiz S, Thimmappa R, Li D, Anwer AH, Scott K, Khan MZ, Yu EH. Polyaniline on Stainless Steel Fiber Felt as Anodes for Bioelectrodegradation of Acid Blue 29 in Microbial Fuel Cells. FRONTIERS IN CHEMICAL ENGINEERING 2022. [DOI: 10.3389/fceng.2022.877255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study investigated the advantages of using low-cost polyaniline-fabricated stainless steel fiber felt anode-based microbial fuel cells (PANI-SSFF-MFCs) for azo dye acid blue 29 (AB29) containing wastewater treatment integrated with an aerobic bioreactor. The findings of electrochemical impedance spectroscopy (EIS) and polarization studies showed that the PANI–SSFF anode considerably decreased the MFC internal resistance. The highest power density of 103 ± 3.6 mW m−2 was achieved by PANI-SSFF-MFCs with a decolorization efficiency of 93 ± 3.1% and a start-up time of 13 days. The final chemical oxygen demand (COD) removal efficiencies for integrated PANI–SSFF–MFC–bioreactor and SSFF–MFC–bioreactor set-ups were 92.5 ± 2% and 80 ± 2%, respectively. Based on 16S rRNA gene sequencing, a substantial microbial community change was observed in MFCs. The majority of sequences were from the Proteobacteria phylum, accounting for 72% and 55% in PANI–SSFF–anodic biofilm and suspension, respectively, and 58 and 45% in SSFF–anodic biofilm and suspension, respectively. The relative abundance of the seven most abundant genera (Pseudomonas, Acinetobacter, Stenotrophomonas, Geothrix, Dysgonomonas, Shinella, and Rhizobiales) was higher in PANI–SSFF–MFCs (46.1% in biofilm and 55.4% in suspension) as compared to SSFF–MFC (43% in biofilm and 40.8% in suspension) which predominantly contributed to the decolorization of AB29 and/or electron transfer. We demonstrate in this work that microbial consortia acclimated to the MFC environment and PANI-fabricated anodes are capable of high decolorization rates with enhanced electricity production. A combined single-chamber MFC (SMFC)-aerobic bioreactor operation was also performed in this study for the efficient biodegradation of AB29.
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Saravanan A, Kumar PS, Srinivasan S, Jeevanantham S, Kamalesh R, Karishma S. Sustainable strategy on microbial fuel cell to treat the wastewater for the production of green energy. CHEMOSPHERE 2022; 290:133295. [PMID: 34914952 DOI: 10.1016/j.chemosphere.2021.133295] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/07/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
Microbial fuel cell (MFC) is one of the promising alternative energy systems where the catalytic conversion of chemical energy into electrical energy takes places with the help of microorganisms. The basic configuration of MFC consists of three major components such as electrodes (anode and cathode), catalyst (microorganism) and proton transport/exchange membrane (PEM). MFC classified into four types based on the substrate utilized for the catalytic energy conversion process such as Liquid-phase MFC, Solid-phase MFC, Plant-MFC and Algae-MFC. The core performance of MFC is organic substrate oxidation and electron transfer. Microorganisms and electrodes are the key factors that decide the efficiency of MFC system for electricity generation. Microorganism catalysis degradation of organic matters and assist the electron transfer to anode surface, the conductivity of anode material decides the rate of electron transport to cathode through external circuit where electrons are reduced with hydrogen and form water with oxygen. Not limited to electricity generation, MFC also has diverse applications in different sectors including wastewater treatment, biofuel (biohydrogen) production and used as biosensor for detection of biological oxygen demand (BOD) of wastewater and different contaminants concentration in water. This review explains different types of MFC systems and their core performance towards energy conversion and waste management. Also provides an insight on different factors that significantly affect the MFC performance and different aspects of application of MFC systems in various sectors. The challenges of MFC system design, operations and implementation in pilot scale level and the direction for future research are also described in the present review.
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Affiliation(s)
- A Saravanan
- Department of Energy and Environmental Engineering, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - S Srinivasan
- Department of Biomedical Engineering, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - S Jeevanantham
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, Tamilnadu, 602105, India
| | - R Kamalesh
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, Tamilnadu, 602105, India
| | - S Karishma
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, Tamilnadu, 602105, India
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Evolutionary-based neuro-fuzzy modelling of combustion enthalpy of municipal solid waste. Neural Comput Appl 2022. [DOI: 10.1007/s00521-021-06870-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Hoang AT, Nižetić S, Ng KH, Papadopoulos AM, Le AT, Kumar S, Hadiyanto H, Pham VV. Microbial fuel cells for bioelectricity production from waste as sustainable prospect of future energy sector. CHEMOSPHERE 2022; 287:132285. [PMID: 34563769 DOI: 10.1016/j.chemosphere.2021.132285] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/23/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
Microbial fuel cell (MFC) is lauded for its potentials to solve both energy crisis and environmental pollution. Technologically, it offers the capability to harness electricity from the chemical energy stored in the organic substrate with no intermediate steps, thereby minimizes the entropic loss due to the inter-conversion of energy. The sciences underneath such MFCs include the electron and proton generation from the metabolic decomposition of the substrate by microbes at the anode, followed by the shuttling of these charges to cathode for electricity generation. While its promising prospects were mutually evinced in the past investigations, the upscaling of MFC in sustaining global energy demands and waste treatments is yet to be put into practice. In this context, the current review summarizes the important knowledge and applications of MFCs, concurrently identifies the technological bottlenecks that restricted its vast implementation. In addition, economic analysis was also performed to provide multiangle perspectives to readers. Succinctly, MFCs are mainly hindered by the slow metabolic kinetics, sluggish transfer of charged particles, and low economic competitiveness when compared to conventional technologies. From these hindering factors, insightful strategies for improved practicality of MFCs were formulated, with potential future research direction being identified too. With proper planning, we are delighted to see the industrialization of MFCs in the near future, which would benefit the entire human race with cleaner energy and the environment.
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Affiliation(s)
- Anh Tuan Hoang
- Institute of Engineering, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Viet Nam.
| | - Sandro Nižetić
- University of Split, FESB, Rudjera Boskovica 32, 21000, Split, Croatia
| | - Kim Hoong Ng
- Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan.
| | - Agis M Papadopoulos
- Process Equipment Design Laboratory, Department of Mechanical Engineering, Aristotle University of Thessaloniki, Postal Address: GR-54124, Thessaloniki, Greece
| | - Anh Tuan Le
- School of Transportation Engineering, Hanoi University of Science and Technology, Hanoi, Viet Nam.
| | - Sunil Kumar
- Waste Reprocessing Division, CSIR-National Environmental Engineering Research Institute, Nagpur, 440 020, India
| | - H Hadiyanto
- Center of Biomass and Renewable Energy (CBIORE), Department of Chemical Engineering, Diponegoro University, Jl. Prof. Soedarto SH, Tembalang, Semarang, 50271, Indonesia; School of Postgraduate Studies, Diponegoro University, Jl. Imam Bardjo, SH Semarang, 50241, Indonesia.
| | - Van Viet Pham
- PATET Research Group, Ho Chi Minh City University of Transport, Ho Chi Minh City, Viet Nam.
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Mukherjee A, Zaveri P, Patel R, Shah MT, Munshi NS. Optimization of microbial fuel cell process using a novel consortium for aromatic hydrocarbon bioremediation and bioelectricity generation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 298:113546. [PMID: 34435573 DOI: 10.1016/j.jenvman.2021.113546] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 07/23/2021] [Accepted: 08/11/2021] [Indexed: 06/13/2023]
Abstract
Microbial Fuel Cell (MFC) is an innovative bio-electrochemical approach which converts biochemical energy inherent in wastewater into electrical energy, thus contributing to circular economy. Five electrogenic bacteria, Kocuria rosea (GTPAS76), two strains of Bacillus circulans (GTPO28 and GTPAS54), and two strains of Corynebacterium vitaeruminis (GTPO38 and GTPO42) were isolated from a common effluent treatment plant (CETP) and were used individually as well as in consortium form to run double chambered "H" type microbial fuel cell. Individually they could produce voltage in the range of 0.4-0.7 V in the MFC systems. Consortium developed using GTPO28, GTPO38, GTPAS54 and GTPAS76 were capable of producing voltage output of 0.8 V with 81.81 % and 64 % COD and BOD reduction, respectively. The EPS production capacity and electricity generation by the isolated bacteria correlated significantly (r = 0.72). Various parameters like, effect of preformed biofilm, length of salt bridge and its reuse, aeration, substrate concentration and external resistance were studied in detail. The study emphasizes on improving the commercialization aspect of MFC with repeated use of salt bridge and improving wastewater treatment potential after optimization of MFC system. Polarization curve and power density trends were studied in optimized MFC. A maximum power density and current density achieved were 18.15 mW/m2 and 370.37 mA/m2, respectively using 5 mM sodium benzoate. This study reports the use of sodium benzoate as a substrate along with reusing of the salt bridge in MFC study with promising results for BOD and COD reduction, proving it to be futuristic technology for bio-based circular ecosystem development.
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Affiliation(s)
- Anwesha Mukherjee
- Institute of Science, Nirma University, Sarkhej- Gandhinagar Highway, Ahmedabad, 382481, Gujarat, India
| | - Purvi Zaveri
- Institute of Science, Nirma University, Sarkhej- Gandhinagar Highway, Ahmedabad, 382481, Gujarat, India; Biocare Research India Pvt. Ltd., Ahmedabad, 380006, Gujarat, India
| | - Rushika Patel
- Institute of Science, Nirma University, Sarkhej- Gandhinagar Highway, Ahmedabad, 382481, Gujarat, India; School of Sciences, Rai University, Ahmedabad, 382260, Gujarat, India
| | - Manisha T Shah
- Department of Electrical Engineering, Institute of Technology, Nirma University, Sarkhej- Gandhinagar Highway, Ahmedabad, 382481, Gujarat, India
| | - Nasreen S Munshi
- Institute of Science, Nirma University, Sarkhej- Gandhinagar Highway, Ahmedabad, 382481, Gujarat, India.
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Use of Biochar-Based Cathodes and Increase in the Electron Flow by Pseudomonas aeruginosa to Improve Waste Treatment in Microbial Fuel Cells. Processes (Basel) 2021. [DOI: 10.3390/pr9111941] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In this paper, we tested the combined use of a biochar-based material at the cathode and of Pseudomonas aeruginosa strain in a single chamber, air cathode microbial fuel cells (MFCs) fed with a mix of shredded vegetable and phosphate buffer solution (PBS) in a 30% solid/liquid ratio. As a control system, we set up and tested MFCs provided with a composite cathode made up of a nickel mesh current collector, activated carbon and a single porous poly tetra fluoro ethylene (PTFE) diffusion layer. At the end of the experiments, we compared the performance of the two systems, in the presence and absence of P. aeruginosa, in terms of electric outputs. We also explored the potential reutilization of cathodes. Unlike composite material, biochar showed a life span of up to 3 cycles of 15 days each, with a pH of the feedstock kept in a range of neutrality. In order to relate the electric performance to the amount of solid substrates used as source of carbon and energy, besides of cathode surface, we referred power density (PD) and current density (CD) to kg of biomass used. The maximum outputs obtained when using the sole microflora were, on average, respectively 0.19 Wm−2kg−1 and 2.67 Wm−2kg−1, with peaks of 0.32 Wm−2kg−1 and 4.87 Wm−2kg−1 of cathode surface and mass of treated biomass in MFCs with biochar and PTFE cathodes respectively. As to current outputs, the maximum values were 7.5 Am−2 kg−1 and 35.6 Am−2kg−1 in MFCs with biochar-based material and a composite cathode. If compared to the utilization of the sole acidogenic/acetogenic microflora in vegetable residues, we observed an increment of the power outputs of about 16.5 folds in both systems when we added P. aeruginosa to the shredded vegetables. Even though the MFCs with PTFE-cathode achieved the highest performance in terms of PD and CD, they underwent a fouling episode after about 10 days of operation, with a dramatic decrease in pH and both PD and CD. Our results confirm the potentialities of the utilization of biochar-based materials in waste treatment and bioenergy production.
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Khan N, Anwer AH, Khan MD, Azam A, Ibhadon A, Khan MZ. Magnesium ferrite spinels as anode modifier for the treatment of Congo red and energy recovery in a single chambered microbial fuel cell. JOURNAL OF HAZARDOUS MATERIALS 2021; 410:124561. [PMID: 33246812 DOI: 10.1016/j.jhazmat.2020.124561] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 10/15/2020] [Accepted: 11/10/2020] [Indexed: 06/12/2023]
Abstract
Magnesium Ferrite (MgFe2O4) spinel structures prepared by a solid-state reaction was used as an anode modifier in the microbial fuel cell (MFC) treatment of Congo red dye. The performance of the reactors with unmodified stainless-steel mesh anode (CR-1) and MgFe2O4 coated stainless steel mesh anode (CR-2) were tested and compared followed by aerobic treatment. The peak power density was observed to be 295.936 (CR-1) and 430.336 mW/m2 (CR-2) revealing increased bioenergy output and better electron transfer in the reactor with the MgFe2O4 modified anode. The final decolourisation efficiencies were found to be 92.053% for CR-1 and 98.386% for CR-2. The formation of metabolites (diaminonaphthalene-1-sulfonate, 1-(biphenyl-4-yl)-2-(naphthalene-2-yl) diazene, benzidine and phthalic acid, monoethyl ether) during the anaerobic-aerobic biotreatment of azo dye was confirmed using Gas chromatography coupled Mass spectrometry system. Scanning electron microscopy confirmed a uniform coating of MgFe2O4 on the anode surface with evidence of biofilm formation in the system. Electrochemical studies confirmed the superior performance of spinel coated anode with enhanced redox activity. In addition, the charge-discharge studies confirmed the high capacitive nature of the modified electrode improving the electrodes charge holding capacity. The study suggested an effective treatment strategy for the treatment of Congo red dye.
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Affiliation(s)
- Nishat Khan
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, UP, India
| | - Abdul Hakeem Anwer
- Industrial Chemistry Research Laboratory, Depatment of Chemistry, Aligarh Muslim University, Aligarh 202 002, UP, India
| | - Mohammad Danish Khan
- Industrial Chemistry Research Laboratory, Depatment of Chemistry, Aligarh Muslim University, Aligarh 202 002, UP, India
| | - Ameer Azam
- Department of Applied Physics, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202 002, UP, India
| | - Alex Ibhadon
- Department of Chemical Engineering, Faculty of Science and Engineering, University of Hull, Cottingham Road, Hull HU6 7RX, United Kingdom
| | - Mohammad Zain Khan
- Environmental Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, UP, India; Industrial Chemistry Research Laboratory, Depatment of Chemistry, Aligarh Muslim University, Aligarh 202 002, UP, India.
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Khan MD, Li D, Tabraiz S, Shamurad B, Scott K, Khan MZ, Yu EH. Integrated air cathode microbial fuel cell-aerobic bioreactor set-up for enhanced bioelectrodegradation of azo dye Acid Blue 29. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 756:143752. [PMID: 33279191 DOI: 10.1016/j.scitotenv.2020.143752] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/18/2020] [Accepted: 11/03/2020] [Indexed: 06/12/2023]
Abstract
In this study, an azo dye (Acid Blue 29 or AB29) was efficiently degraded with acetate as co-substrate into less contaminated biodegraded products using an integrated single chamber microbial fuel cell (SMFC)-aerobic bioreactor set-up. The decolorization efficiencies were varied from 91 ± 2% to 94 ± 1.9% and more than 85% of chemical oxygen demand (COD) removal was achieved for all dye concentrations after different operating time. The highest coulombic efficiency (CE) and cell potential were 3.18 ± 0.45% and 287.2 mV, respectively, for SMFC treating 100 mg L-1 of AB29. Electrochemical impedance spectroscopy (EIS) revealed that the anode resistance was 0.3 Ω representing an entirely grown biofilm on the anode surface resulted in higher electron transfer rate. Gas chromatography coupled mass spectrometry (GC-MS) investigation demonstrated that initially biodegradation of AB29 started with the cleavage of the azo bond (-N=N-), resulted the biotransformation into aromatic amines. In successive aerobic treatment stage, these amines were biodegraded into lower molecular weight compounds. The 16S rRNA microbial community analysis indicated that at phylum level, both inoculum and dye acclimated cultures were mainly consisting of Proteobacteria which was 27.9, 53.6 and 68.9% in inoculum, suspension and anodic biofilm, respectively. At genus level, both suspension and biofilm contained decolorization as well as electrochemically active bacteria. The outcomes exhibited that the AB29 decolorization would contest with electrogenic bacteria for electrons.
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Affiliation(s)
- Mohammad Danish Khan
- Industrial Chemistry Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202002, Uttar Pradesh, India; School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Da Li
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Shamas Tabraiz
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Burhan Shamurad
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Keith Scott
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Mohammad Zain Khan
- Industrial Chemistry Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202002, Uttar Pradesh, India
| | - Eileen Hao Yu
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom; Department of Chemical Engineering, Loughborough University, Loughborough LE11 3TU, United Kingdom.
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Das S, Das S, Ghangrekar M. Application of TiO2 and Rh as cathode catalyst to boost the microbial electrosynthesis of organic compounds through CO2 sequestration. Process Biochem 2021. [DOI: 10.1016/j.procbio.2020.11.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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14
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Tajdid Khajeh R, Aber S, Nofouzi K, Ebrahimi S. Treatment of mixed dairy and dye wastewater in anode of microbial fuel cell with simultaneous electricity generation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43711-43723. [PMID: 32740841 DOI: 10.1007/s11356-020-10232-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 07/20/2020] [Indexed: 06/11/2023]
Abstract
Microbial fuel cell (MFC) is a green technology that converts the stored chemical energy of organic matter to electricity; therefore, it can be used for wastewater purification and energy production simultaneously. In this study, three kinds of dairy products, including milk, cheese water, and yogurt water, were mixed with Acid orange 7 (AO7) as the model wastewater and used as the anolyte of an MFC. The capability of the system in energy production and dye removal was also investigated. The FESEM images were used to investigate the biofilms attachment to the anodes. Moreover, the polarization curves, electrochemical impedance spectroscopy, cyclic voltammetry (CV), voltage-time profiles, and coulombic efficiency were used to evaluate the electrochemical activity of the MFCs. Based on the CV results, the biofilm formation significantly improved the electrochemical activity of the electrodes. Maximum power density, voltage, and coulombic efficiency were obtained as 44.05 mW.m-2, 332.4 mV, and 1.76%, respectively, for cheese water + AO7 anolyte, but the milk + AO7 MFC produced a stable voltage for a long time and its performance was similar to the cheese water + AO7 anolyte. Maximum COD removal and decolorization efficiencies were obtained equal to 84.57 and 92.18% for yogurt water + AO7 and cheese water + AO7 anolytes, respectively.
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Affiliation(s)
- Rana Tajdid Khajeh
- Research Laboratory of Environmental Protection Technology, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Soheil Aber
- Research Laboratory of Environmental Protection Technology, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
| | - Katayoon Nofouzi
- Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Sirous Ebrahimi
- Department of Chemical Engineering, Sahand University of Technology, Tabriz, Iran
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15
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Khan N, Anwer AH, Ahmad A, Sabir S, Sevda S, Khan MZ. Investigation of CNT/PPy-Modified Carbon Paper Electrodes under Anaerobic and Aerobic Conditions for Phenol Bioremediation in Microbial Fuel Cells. ACS OMEGA 2020; 5:471-480. [PMID: 31956793 PMCID: PMC6964299 DOI: 10.1021/acsomega.9b02981] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 11/20/2019] [Indexed: 06/01/2023]
Abstract
The study presents the comparative bioelectrochemical treatment of phenol in anodic and cathodic compartments of four identical dual chambered microbial fuel cells (MFCs) with bare and multiwalled carbon nanotube/polypyrrole (MWCNT/PPy)-coated electrodes, respectively. It was observed that systems performing biocathodic treatment of phenol performed better as compared to the systems performing bioanodic treatment. The maximum power densities for bioanodic phenol treatment using bare and coated electrodes were found to be 469.038 and 560.719 mW/m2, while for biocathodic treatment, they were observed to be 604.804 and 650.557 mW/m2, respectively. The MFCs performing biocathodic treatment of phenol consistently showed higher chemical oxygen demand removal efficiency, Coulombic efficiency, and power density and indicated the better performance of the biocathodic bare (B-MFC) and coated (C-MFC) MFCs as compared to the bioanodic B-MFC and C-MFC. UV/vis spectrophotometry revealed that the MWCNT/PPy-coated carbon paper worked significantly better in the treatment of phenol with admirable treatment obtained within a week of the experiment as compared to the system with bare carbon paper. Cyclic voltammetry asserted better electrochemical activity of the MFC systems with coated electrodes in the treatment of phenol. The electrochemical impedance spectroscopy data also supported the better performance of biocathodic phenol treatment with lower internal and charge transfer resistances. The scanning electron microscopy images confirmed the active biofilm formation on the electrode surface. The study indicates MFC as a viable option for the treatment of recalcitrant chemical compounds with energy recovery.
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Affiliation(s)
- Nishat Khan
- Environmental
Research Laboratory, Department of Chemistry and Industrial Chemistry
Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, Uttar Pradesh, India
| | - Abdul Hakeem Anwer
- Environmental
Research Laboratory, Department of Chemistry and Industrial Chemistry
Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, Uttar Pradesh, India
| | - Anees Ahmad
- Environmental
Research Laboratory, Department of Chemistry and Industrial Chemistry
Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, Uttar Pradesh, India
| | - Suhail Sabir
- Environmental
Research Laboratory, Department of Chemistry and Industrial Chemistry
Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, Uttar Pradesh, India
| | - Surajbhan Sevda
- Department
of Biosciences and Bioengineering, Indian
Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Mohammad Zain Khan
- Environmental
Research Laboratory, Department of Chemistry and Industrial Chemistry
Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, Uttar Pradesh, India
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16
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Anwer AH, Khan MD, Khan N, Nizami AS, Rehan M, Khan MZ. Development of novel MnO 2 coated carbon felt cathode for microbial electroreduction of CO 2 to biofuels. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 249:109376. [PMID: 31437708 DOI: 10.1016/j.jenvman.2019.109376] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 07/29/2019] [Accepted: 08/05/2019] [Indexed: 06/10/2023]
Abstract
Fabrication of superior and cost-effective cathodic materials is vital in manufacturing sustainable microbial electrolysis cells (MECs) for biofuels production. In the present study, a novel manganese dioxide (MnO2) coated felt cathode (Mn/CF) has been developed for MECs using electrodeposition method via potentiostat. MnO2 is considered to encourage exogenous electron exchange and, in this way, improves the reduction of carbon dioxide (CO2). MnO2, as a cathodic catalyst, enhances the rate of biofuel production, electron transfer, and significantly reduces the cost of MECs. A maximum stabilized current density of 3.70 ± 0.5 mA/m2 was obtained in case of MnO2-coated Mn/CF based MEC, which was more than double the non-coated carbon felt (CF) cathode (1.70 ± 0.5 mA/m2). The dual chamber Mn/CF-MEC achieved the highest production rate of acetic acid (37.9 mmol/L) that was significantly higher (43.0%) in comparison to the non-coated CF-MEC. The cyclic voltammograms further verified the substantial enhancement in the electron transfer between the MnO2 coated cathode and microbes. The obtained results demonstrate that MnO2 interacted electrochemically with microbial cells and enhanced the extracellular electron transfer, therefore validating its potential role in biofuel production. The MnO2 coated CF further offered higher electrode surface area and better electron transfer efficiency, suggesting its applicability in the large-scale MECs.
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Affiliation(s)
- A H Anwer
- Environmental Research Laboratory, Department of Chemistry, Faculty of Sciences, Aligarh Muslim University, Aligarh, 202002, India
| | - M D Khan
- Environmental Research Laboratory, Department of Chemistry, Faculty of Sciences, Aligarh Muslim University, Aligarh, 202002, India; School of Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - N Khan
- Environmental Research Laboratory, Department of Chemistry, Faculty of Sciences, Aligarh Muslim University, Aligarh, 202002, India
| | - A S Nizami
- Centre of Excellence in Environmental Studies (CEES), King Abdulaziz University, Jeddah, Saudi Arabia.
| | - M Rehan
- Centre of Excellence in Environmental Studies (CEES), King Abdulaziz University, Jeddah, Saudi Arabia
| | - M Z Khan
- Environmental Research Laboratory, Department of Chemistry, Faculty of Sciences, Aligarh Muslim University, Aligarh, 202002, India.
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Mohanakrishna G, Al-Raoush RI, Abu-Reesh IM, Aljaml K. Removal of petroleum hydrocarbons and sulfates from produced water using different bioelectrochemical reactor configurations. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 665:820-827. [PMID: 30790754 DOI: 10.1016/j.scitotenv.2019.02.181] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 02/11/2019] [Accepted: 02/12/2019] [Indexed: 06/09/2023]
Abstract
Produced water (PW) is a wastewater generated in large quantities from the extraction of oil and gas. PW found to have high amounts of dissolved solids (TDS) and residual petroleum hydrocarbons causing considerable damage to the environment. PW also contains sulfates in significant amounts, due to which treating this wastewater is essential prior to discharge. The present study was aimed for bioelectrochemical treatment of PW and simultaneous bioelectrogenesis in the two most studied configurations viz., single and dual chamber microbial fuel cells (MFCs). The study evidenced treatment of recalcitrant pollutants of PW. Both MFCs were operated by keeping similar operating conditions such as anode chamber volume, hydraulic retention time (HRT) for batch mode of operation, electrode materials, inlet characteristics of PW and ambient temperature. Among both configurations, dual chamber MFC showed higher efficiency with respect to bioelectrogenesis (single chamber - 789 mW/m2; dual chamber - 1089 mW/m2), sulfates removal (single chamber - 79.6%; dual chamber - 93.9%), total petroleum hydrocarbons removal (TPH, single chamber - 47.6%; dual chamber - 53.1%) and chemical oxygen demand degradation (COD, single chamber - 0.30 kg COD/m3-day (COD removal efficiency, 54.7%); dual chamber - 0.33 kg COD/m3-day (COD removal efficiency, 60.2%)). Evaluated polarization behavior of both MFCs were also evidenced the effective response of the electroactive anodic biofilm.
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Affiliation(s)
- Gunda Mohanakrishna
- Department of Civil and Architectural Engineering, College of Engineering, Qatar University, P O Box 2713, Doha, Qatar
| | - Riyadh I Al-Raoush
- Department of Civil and Architectural Engineering, College of Engineering, Qatar University, P O Box 2713, Doha, Qatar.
| | - Ibrahim M Abu-Reesh
- Department of Chemical Engineering, College of Engineering, Qatar University, P O Box 2713, Doha, Qatar
| | - Khaled Aljaml
- Department of Chemical Engineering, College of Engineering, Qatar University, P O Box 2713, Doha, Qatar
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18
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Khan N, Khan MD, Ansari MY, Ahmad A, Khan MZ. Bio-electrodegradation of 2,4,6-Trichlorophenol by mixed microbial culture in dual chambered microbial fuel cells. J Biosci Bioeng 2019; 127:353-359. [DOI: 10.1016/j.jbiosc.2018.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 07/23/2018] [Accepted: 08/27/2018] [Indexed: 10/28/2022]
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Gajda I, Stinchcombe A, Merino-Jimenez I, Pasternak G, Sanchez-Herranz D, Greenman J, Ieropoulos IA. Miniaturized Ceramic-Based Microbial Fuel Cell for Efficient Power Generation From Urine and Stack Development. FRONTIERS IN ENERGY RESEARCH 2018; 6:84. [PMID: 33409273 PMCID: PMC7705131 DOI: 10.3389/fenrg.2018.00084] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 08/06/2018] [Indexed: 05/05/2023]
Abstract
One of the challenges in Microbial Fuel Cell (MFC) technology is the improvement of the power output and the lowering of the cost required to scale up the system to reach usable energy levels for real life applications. This can be achieved by stacking multiple MFC units in modules and using cost effective ceramic as a membrane/chassis for the reactor architecture. The main aim of this work is to increase the power output efficiency of the ceramic based MFCs by compacting the design and exploring the ceramic support as the building block for small scale modular multi-unit systems. The comparison of the power output showed that the small reactors outperform the large MFCs by improving the power density reaching up to 20.4 W/m3 (mean value) and 25.7 W/m3 (maximum). This can be related to the increased surface-area-to-volume ratio of the ceramic membrane and a decreased electrode distance. The power performance was also influenced by the type and thickness of the ceramic separator as well as the total surface area of the anode electrode. The study showed that the larger anode electrode area gives an increased power output. The miniaturized design implemented in 560-units MFC stack showed an output up to 245 mW of power and increased power density. Such strategy would allow to utilize the energy locked in urine more efficiently, making MFCs more applicable in industrial and municipal wastewater treatment facilities, and scale-up-ready for real world implementation.
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Affiliation(s)
- Iwona Gajda
- Bristol Robotics Laboratory, Bristol BioEnergy Centre, University of the West of England, Bristol, United Kingdom
- Correspondence: Iwona Gajda Ioannis A. Ieropoulos
| | - Andrew Stinchcombe
- Bristol Robotics Laboratory, Bristol BioEnergy Centre, University of the West of England, Bristol, United Kingdom
| | - Irene Merino-Jimenez
- Bristol Robotics Laboratory, Bristol BioEnergy Centre, University of the West of England, Bristol, United Kingdom
| | - Grzegorz Pasternak
- Bristol Robotics Laboratory, Bristol BioEnergy Centre, University of the West of England, Bristol, United Kingdom
| | - Daniel Sanchez-Herranz
- Bristol Robotics Laboratory, Bristol BioEnergy Centre, University of the West of England, Bristol, United Kingdom
| | - John Greenman
- Bristol Robotics Laboratory, Bristol BioEnergy Centre, University of the West of England, Bristol, United Kingdom
- Department of Applied Sciences, University of the West of England, Bristol, United Kingdom
| | - Ioannis A. Ieropoulos
- Bristol Robotics Laboratory, Bristol BioEnergy Centre, University of the West of England, Bristol, United Kingdom
- Department of Applied Sciences, University of the West of England, Bristol, United Kingdom
- Correspondence: Iwona Gajda Ioannis A. Ieropoulos
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20
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Zou L, Qiao Y, Li CM. Boosting Microbial Electrocatalytic Kinetics for High Power Density: Insights into Synthetic Biology and Advanced Nanoscience. ELECTROCHEM ENERGY R 2018. [DOI: 10.1007/s41918-018-0020-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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21
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Xin X, Ma Y, Liu Y. Electric energy production from food waste: Microbial fuel cells versus anaerobic digestion. BIORESOURCE TECHNOLOGY 2018; 255:281-287. [PMID: 29428783 DOI: 10.1016/j.biortech.2018.01.099] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 06/08/2023]
Abstract
A food waste resourceful process was developed by integrating the ultra-fast hydrolysis and microbial fuel cells (MFCs) for energy and resource recovery. Food waste was first ultra-fast hydrolyzed by fungal mash rich in hydrolytic enzymes in-situ produced from food waste. After which, the separated solids were readily converted to biofertilizer, while the liquid was fed to MFCs for direct electricity generation with a conversion efficiency of 0.245 kWh/kg food waste. It was estimated that about 192.5 million kWh of electricity could be produced from the food waste annually generated in Singapore, together with 74,390 tonnes of dry biofertilizer. Compared to anaerobic digestion, the proposed approach was more environmentally friendly and economically viable in terms of both electricity conversion and process cost. It is expected that this study may lead to the paradigm shift in food waste management towards ultra-fast concurrent recovery of resource and electricity with zero-solid discharge.
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Affiliation(s)
- Xiaodong Xin
- School of Environment, Harbin Institute of Technology, Harbin 150090, PR China; Advanced Environmental Biotechnology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore
| | - Yingqun Ma
- Advanced Environmental Biotechnology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore
| | - Yu Liu
- Advanced Environmental Biotechnology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore.
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22
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Effect of Wall Boundary Layer Thickness on Power Performance of a Recirculation Microbial Fuel Cell. ENERGIES 2018. [DOI: 10.3390/en11041003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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23
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Beyene HD, Werkneh AA, Ambaye TG. Current updates on waste to energy (WtE) technologies: a review. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.ref.2017.11.001] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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25
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Khan N, Khan MD, Nizami AS, Rehan M, Shaida A, Ahmad A, Khan MZ. Energy generation through bioelectrochemical degradation of pentachlorophenol in microbial fuel cell. RSC Adv 2018; 8:20726-20736. [PMID: 35542361 PMCID: PMC9080799 DOI: 10.1039/c8ra01643g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 05/28/2018] [Indexed: 12/05/2022] Open
Abstract
Bio-electrochemical degradation of pentachlorophenol was carried out in single as well as dual chambered microbial fuel cell (MFC) with simultaneous production of electricity. The maximum cell potential was recorded to be 787 and 1021 mV in single and dual chambered systems respectively. The results presented nearly 66 and 89% COD removal in single and dual chambered systems with corresponding power densities of 872.7 and 1468.85 mW m−2 respectively. The highest coulombic efficiency for single and dual chambered counterparts was found to be 33.9% and 58.55%. GC-MS data revealed that pentachlorophenol was more effectively degraded under aerobic conditions in dual-chambered MFC. Real-time polymerase chain reaction showed the dominance of exoelectrogenic Geobacter in the two reactor systems with a slightly higher concentration in the dual-chambered system. The findings of this work suggested that the aerobic treatment of pentachlorophenol in cathodic compartment of dual chambered MFC is better than its anaerobic treatment in single chambered MFC in terms of chemical oxygen demand (COD) removal and output power density. Bio-electrochemical degradation of pentachlorophenol was carried out in single as well as dual chambered microbial fuel cell (MFC) with simultaneous production of electricity.![]()
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Affiliation(s)
- Nishat Khan
- Environmental Research Laboratory
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202 002
- India
| | - M. Danish Khan
- Environmental Research Laboratory
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202 002
- India
| | - Abdul-Sattar Nizami
- Center of Excellence in Environmental Studies (CEES)
- King Abdulaziz University
- Jeddah
- Saudi Arabia
| | - Mohammad Rehan
- Center of Excellence in Environmental Studies (CEES)
- King Abdulaziz University
- Jeddah
- Saudi Arabia
| | - Azfar Shaida
- Department of Chemistry
- Indian Institute of Technology
- Roorkee 247667
- India
| | - Anees Ahmad
- Environmental Research Laboratory
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202 002
- India
| | - Mohammad Z. Khan
- Environmental Research Laboratory
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202 002
- India
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