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Bhattacharya A, Neena M, Chatterjee P. Microbial nutrient recovery cell as an efficient and sustainable nutrient recovery option in sewage treatment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 366:121753. [PMID: 38981265 DOI: 10.1016/j.jenvman.2024.121753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 06/13/2024] [Accepted: 07/04/2024] [Indexed: 07/11/2024]
Abstract
Globally, nutrient pollution is a serious and challenging concern. Wastewater treatment plants (WWTPs) are designed to prevent the discharge of contaminants resulting from anthropogenic sources to the receiving water bodies. In this study, seasonal nutrient pollution load, and biological nutrient removal efficiency of an anoxic aerobic unit based WWTP were investigated. Seasonal assessment revealed that the average total nitrogen removal efficiency and total phosphorus removal efficiency of the WWTP do not meet the discharge standard of 10 mg/L and 1 mg/L, respectively. Furthermore, the WWTP does not utilize the energy contained in the wastewater. In this regard, dual chamber MFC (D-MFC) has emerged as a promising solution that can not only treat wastewater but can also convert chemical energy present in the wastewater into electrical energy. However, higher N O3- (57 ± 4 mg/L) and P-P O43- (6 ± 0.52 mg/L) concentration in cathodic effluent is a major drawback in D-MFC. Therefore, to solve this issue, D-MFC was transformed into a microbial nutrient recovery cell (MNRC) which demonstrated a final N H4+-N and P-P O43- concentration of nearly 1 mg/L with N H4+-N and P-P O43- recovery up to 74 % and 69 %, respectively in the recovery chamber. Besides, MNRC attained a maximum power density of 307 mW/m3 and a current density of 1614 mA/m3, thus indicating MNRC is an eco-friendly, energy-neutral, and promising technology for electricity generation and recovering nutrients.
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Affiliation(s)
| | - Margret Neena
- Department of Environmental Studies, Sacred Heart College, Kerala, India
| | - Pritha Chatterjee
- Department of Civil Engineering, Indian Institute of Technology Hyderabad, India; Department of Climate Change, Indian Institute of Technology Hyderabad, India.
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2
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Perchikov R, Cheliukanov M, Plekhanova Y, Tarasov S, Kharkova A, Butusov D, Arlyapov V, Nakamura H, Reshetilov A. Microbial Biofilms: Features of Formation and Potential for Use in Bioelectrochemical Devices. BIOSENSORS 2024; 14:302. [PMID: 38920606 PMCID: PMC11201457 DOI: 10.3390/bios14060302] [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: 04/15/2024] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024]
Abstract
Microbial biofilms present one of the most widespread forms of life on Earth. The formation of microbial communities on various surfaces presents a major challenge in a variety of fields, including medicine, the food industry, shipping, etc. At the same time, this process can also be used for the benefit of humans-in bioremediation, wastewater treatment, and various biotechnological processes. The main direction of using electroactive microbial biofilms is their incorporation into the composition of biosensor and biofuel cells This review examines the fundamental knowledge acquired about the structure and formation of biofilms, the properties they have when used in bioelectrochemical devices, and the characteristics of the formation of these structures on different surfaces. Special attention is given to the potential of applying the latest advances in genetic engineering in order to improve the performance of microbial biofilm-based devices and to regulate the processes that take place within them. Finally, we highlight possible ways of dealing with the drawbacks of using biofilms in the creation of highly efficient biosensors and biofuel cells.
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Affiliation(s)
- Roman Perchikov
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, Tula 300012, Russia; (R.P.); (M.C.); (A.K.); (V.A.)
| | - Maxim Cheliukanov
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, Tula 300012, Russia; (R.P.); (M.C.); (A.K.); (V.A.)
| | - Yulia Plekhanova
- Federal Research Center (Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences), G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino 142290, Russia; (Y.P.); (S.T.)
| | - Sergei Tarasov
- Federal Research Center (Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences), G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino 142290, Russia; (Y.P.); (S.T.)
| | - Anna Kharkova
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, Tula 300012, Russia; (R.P.); (M.C.); (A.K.); (V.A.)
| | - Denis Butusov
- Computer-Aided Design Department, Saint Petersburg Electrotechnical University “LETI”, Saint Petersburg 197022, Russia;
| | - Vyacheslav Arlyapov
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, Tula 300012, Russia; (R.P.); (M.C.); (A.K.); (V.A.)
| | - Hideaki Nakamura
- Department of Liberal Arts, Tokyo University of Technology, 1404-1 Katakura, Hachioji 192-0982, Tokyo, Japan;
| | - Anatoly Reshetilov
- Federal Research Center (Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences), G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino 142290, Russia; (Y.P.); (S.T.)
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3
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Abate R, Oon YS, Oon YL, Bi Y. Microalgae-bacteria nexus for environmental remediation and renewable energy resources: Advances, mechanisms and biotechnological applications. Heliyon 2024; 10:e31170. [PMID: 38813150 PMCID: PMC11133723 DOI: 10.1016/j.heliyon.2024.e31170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 04/25/2024] [Accepted: 05/11/2024] [Indexed: 05/31/2024] Open
Abstract
Microalgae and bacteria, known for their resilience, rapid growth, and proximate ecological partnerships, play fundamental roles in environmental and biotechnological advancements. This comprehensive review explores the synergistic interactions between microalgae and bacteria as an innovative approach to address some of the most pressing environmental issues and the demands of clean and renewable freshwater and energy sources. Studies indicated that microalgae-bacteria consortia can considerably enhance the output of biotechnological applications; for instance, various reports showed during wastewater treatment the COD removal efficiency increased by 40%-90.5 % due to microalgae-bacteria consortia, suggesting its great potential amenability in biotechnology. This review critically synthesizes research works on the microalgae and bacteria nexus applied in the advancements of renewable energy generation, with a special focus on biohydrogen, reclamation of wastewater and desalination processes. The mechanisms of underlying interactions, the environmental factors influencing consortia performance, and the challenges and benefits of employing these bio-complexes over traditional methods are also discussed in detail. This paper also evaluates the biotechnological applications of these microorganism consortia for the augmentation of biomass production and the synthesis of valuable biochemicals. Furthermore, the review sheds light on the integration of microalgae-bacteria systems in microbial fuel cells for concurrent energy production, waste treatment, and resource recovery. This review postulates microalgae-bacteria consortia as a sustainable and efficient solution for clean water and energy, providing insights into future research directions and the potential for industrial-scale applications.
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Affiliation(s)
- Rediat Abate
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Yoong-Sin Oon
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Yoong-Ling Oon
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Yonghong Bi
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
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4
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Khodadi S, Karbassi A, Tavakoli O, Baghdadi M, Zare Z. Simultaneous dairy wastewater treatment and bioelectricity production in a new microbial fuel cell using photosynthetic Synechococcus. Int Microbiol 2023; 26:741-756. [PMID: 36680697 DOI: 10.1007/s10123-023-00328-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 01/04/2023] [Accepted: 01/10/2023] [Indexed: 01/22/2023]
Abstract
Photosynthetic microbial fuel cell (PMFC) is a novel technology, which employs organic pollutants and organisms to produce electrons and biomass and capture CO2 by bio-reactions. In this study, a new PMFC was developed based on Synechococcus sp. as a biocathode, and dairy wastewater was used in the anode chamber. Different experiments including batch feed mode, semi-continuous feed mode, Synechococcus feedstock to the anode chamber, Synechococcus-Chlorella mixed system, the feedstock of treated wastewater to the cathode chamber, and use of extra nutrients in the anodic chamber were performed to investigate the behavior of the PMFC system. The results indicated that the PMFC with a semi-continuous feed mode is more effective than a batch mode for electricity generation and pollutant removal. Herein, maximum power density, chemical oxygen demand removal, and Coulombic efficiency were 6.95 mW/m2 (450 Ω internal resistance), 62.94, and 43.16%, respectively, through mixing Synechococcus sp. and Chlorella algae in the batch-fed mode. The maximum nitrate and orthophosphate removal rates were 98.83 and 68.5%, respectively, wherein treated wastewater in the anode was added to the cathode. No significant difference in Synechococcus growth rate was found between the cathodic chamber of PMFC and the control cultivation cell. The heating value of the biocathode biomass at maximum Synechococcus growth rate (adding glucose into the anode chamber) was 0.2235 MJ/Kg, indicating the cell's high ability for carbon dioxide recovery. This study investigated not only simultaneous bioelectricity production and dairy wastewater in a new PMFC using Synechococcus sp. but also studied several operational parameters and presented useful information about their effect on PMFC performance.
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Affiliation(s)
- Sahar Khodadi
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Abdolreza Karbassi
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran
| | - Omid Tavakoli
- Faculty of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Majid Baghdadi
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran
| | - Zeinab Zare
- Faculty of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
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5
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Das S, Raj R, Das S, Ghangrekar MM. Evaluating application of photosynthetic microbial fuel cell to exhibit efficient carbon sequestration with concomitant value-added product recovery from wastewater: A review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:98995-99012. [PMID: 35661302 DOI: 10.1007/s11356-022-21184-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
The emission of CO2 from industrial (24%) and different anthropogenic activities, like transportation (27%), electricity production (25%), and agriculture (11%), can lead to global warming, which in the long term can trigger substantial climate changes. In this regard, CO2 sequestration and wastewater treatment in tandem with bioenergy production through photosynthetic microbial fuel cell (PMFC) is an economical and sustainable intervention to address the problem of global warming and elevating energy demands. Therefore, this review focuses on the application of different PMFC as a bio-refinery approach to produce biofuels and power generation accompanied with the holistic treatment of wastewater. Moreover, CO2 bio-fixation and electron transfer mechanism of different photosynthetic microbiota, and factors affecting the performance of PMFC with technical feasibility and drawbacks are also elucidated in this review. Also, low-cost approaches such as utilization of bio-membrane like coconut shell, microbial growth enhancement by extracellular cell signalling mechanisms, and exploitation of genetically engineered strain towards the commercialization of PMFC are highlighted. Thus, the present review intends to guide the budding researchers in developing more cost-effective and sustainable PMFCs, which could lead towards the commercialization of this inventive technology.
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Affiliation(s)
- Swati Das
- PK Sinha Centre for Bioenergy & Renewables, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Rishabh Raj
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Sovik Das
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Makarand M Ghangrekar
- PK Sinha Centre for Bioenergy & Renewables, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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6
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Zhang H, Zhou L, Yang X, Wang H, Wang Y, Wu Z. A zero energy-input nitrogen removal reactor based on a short-circuited microfluidic fuel cell. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:87998-88008. [PMID: 37432575 DOI: 10.1007/s11356-023-28579-6] [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: 03/13/2023] [Accepted: 06/29/2023] [Indexed: 07/12/2023]
Abstract
Excessive discharge of ammonia nitrogen would deteriorate water quality. In this work, we designed an innovative microfluidic electrochemical nitrogen-removal reactor (MENR) based on a short-circuited ammonia-air microfluidic fuel cell (MFC). The MENR utilizes the laminar characteristics of two flows (an anolyte containing nitrogen-rich wastewater and a catholyte of acid electrolyte solution) in a microchannel to establish an efficient reactor system. At anode, ammonia was catalyzed by a NiCu/C modified electrode to N2, while O2 in the air was reduced at cathode. In essence, the MENR reactor is a short-circuited MFC. Maximum discharge currents were achieved accompanied with strong ammonia oxidation reaction. Factors indicating electrolyte flow rate, initial nitrogen concentration, electrolyte concentration, and electrode geometry have various effects on the nitrogen removal performance of the MENR. Results indicate that the MENR showed efficient nitrogen removal properties. This work proposes an energy-saving process by using the MENR to remove nitrogen from ammonia-rich wastewater.
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Affiliation(s)
- Huimin Zhang
- School of Civil Engineering Architecture, East China Jiao Tong University, Nanchang, 330013, Jiangxi, China.
| | - Luanqi Zhou
- School of Civil Engineering Architecture, East China Jiao Tong University, Nanchang, 330013, Jiangxi, China
| | - Xu Yang
- Department of Environmental Engineering, Laboratory of Electrochemistry and Energy Storage; State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310058, China
| | - Hailong Wang
- School of Civil Engineering Architecture, East China Jiao Tong University, Nanchang, 330013, Jiangxi, China
| | - Yifei Wang
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen, China
| | - Zucheng Wu
- Department of Environmental Engineering, Laboratory of Electrochemistry and Energy Storage; State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310058, China
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7
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Khandelwal A, Chhabra M, Lens PNL. Integration of third generation biofuels with bio-electrochemical systems: Current status and future perspective. FRONTIERS IN PLANT SCIENCE 2023; 14:1081108. [PMID: 36844066 PMCID: PMC9950272 DOI: 10.3389/fpls.2023.1081108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
Biofuels hold particular promise as these can replace fossil fuels. Algae, in particular, are envisioned as a sustainable source of third-generation biofuels. Algae also produce several low volume high-value products, which enhance their prospects of use in a biorefinery. Bio-electrochemical systems such as microbial fuel cell (MFC) can be used for algae cultivation and bioelectricity production. MFCs find applications in wastewater treatment, CO2 sequestration, heavy metal removal and bio-remediation. Oxidation of electron donor by microbial catalysts in the anodic chamber gives electrons (reducing the anode), CO2, and electrical energy. The electron acceptor at the cathode can be oxygen/NO3 -/NO2 -/metal ions. However, the need for a continuous supply of terminal electron acceptor in the cathode can be eliminated by growing algae in the cathodic chamber, as they produce enough oxygen through photosynthesis. On the other hand, conventional algae cultivation systems require periodic oxygen quenching, which involves further energy consumption and adds cost to the process. Therefore, the integration of algae cultivation and MFC technology can eliminate the need of oxygen quenching and external aeration in the MFC system and thus make the overall process sustainable and a net energy producer. In addition to this, the CO2 gas produced in the anodic chamber can promote the algal growth in the cathodic chamber. Hence, the energy and cost invested for CO2 transportation in an open pond system can be saved. In this context, the present review outlines the bottlenecks of first- and second-generation biofuels along with the conventional algae cultivation systems such as open ponds and photobioreactors. Furthermore, it discusses about the process sustainability and efficiency of integrating algae cultivation with MFC technology in detail.
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Affiliation(s)
- Amitap Khandelwal
- Ryan Institute, School of Natural Sciences, University of Galway, Galway, Ireland
| | - Meenu Chhabra
- Environmental Biotechnology Lab, Department of Biosciences & Bioengineering, Indian Institute of Technology, Jodhpur, India
| | - Piet N. L. Lens
- Ryan Institute, School of Natural Sciences, University of Galway, Galway, Ireland
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8
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Ahirwar A, Das S, Das S, Yang YH, Bhatia SK, Vinayak V, Ghangrekar MM. Photosynthetic microbial fuel cell for bioenergy and valuable production: A review of circular bio-economy approach. ALGAL RES 2023. [DOI: 10.1016/j.algal.2023.102973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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9
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Wang S, Adekunle A, Raghavan V. Bioelectrochemical systems-based metal removal and recovery from wastewater and polluted soil: Key factors, development, and perspective. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 317:115333. [PMID: 35617867 DOI: 10.1016/j.jenvman.2022.115333] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/28/2022] [Accepted: 05/14/2022] [Indexed: 06/15/2023]
Abstract
Bioelectrochemical systems (BES) are considered efficient and sustainable technologies for bioenergy generation and simultaneously removal/recovery metal (loid)s from soil and wastewater. However, several current challenges of BES-based metal removal and recovery, especially concentrating target metals from complex contaminated wastewater or soil and their economic feasibility of engineering applications. This review summarized the applications of BES-based metal removal and recovery systems from wastewater and contaminated soil and evaluated their performances on electricity generation and metal removal/recovery efficiency. In addition, an in depth review of several key parameters (BES configurations, electrodes, catalysts, metal concentration, pH value, substrate categories, etc.) of BES-based metal removal and recovery was carried out to facilitate a deep understanding of their development and to suggest strategies for scaling up their specific application fields. Finally, the future intervention on multifunctional BES to improve their performances of mental removal and recovery were revealed.
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Affiliation(s)
- Shuyao Wang
- Bioresource Engineering, McGill University, 21111 Lakeshore Road, Sainte-Anne-de-Bellevue, QC, H9X 3V9, Canada.
| | - Ademola Adekunle
- National Research Council of Canada, 6100 Avenue Royalmount, Montréal, QC, H4P 2R2, Canada.
| | - Vijaya Raghavan
- Bioresource Engineering, McGill University, 21111 Lakeshore Road, Sainte-Anne-de-Bellevue, QC, H9X 3V9, Canada.
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Baby MG, Ahammed MM. Nutrient removal and recovery from wastewater by microbial fuel cell-based systems - A review. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2022; 86:29-55. [PMID: 35838281 DOI: 10.2166/wst.2022.196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Microbial fuel cell (MFC) is a green innovative technology that can be employed for nutrient removal/recovery as well as for energy production from wastewater. This paper summarizes the recent advances in the use of MFCs for nutrient removal/recovery. Different configurations of MFCs used for nutrient removal are first described. Different types of nutrient removal/recovery mechanisms such as precipitation, biological uptake by microalgae, nitrification, denitrification and ammonia stripping occurring in MFCs are discussed. Recovery of nutrients as struvite or cattiite by precipitation, as microalgal biomass and as ammonium salts are common. This review shows that while higher nutrient removal/recovery is possible with MFCs and their modifications compared to other techniques as indicated by many laboratory studies, field-scale studies and optimization of operational parameters are needed to develop efficient MFCs for nutrient removal and recovery and electricity generation from different types of wastewaters.
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Affiliation(s)
- Merin Grace Baby
- Civil Engineering Department, S V National Institute of Technology, Surat 395007, India E-mail:
| | - M Mansoor Ahammed
- Civil Engineering Department, S V National Institute of Technology, Surat 395007, India E-mail:
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11
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Jin X, Yang N, Liu H, Wang S. Membrane penetration of nitrogen and its effects on nitrogen removal in dual-chambered microbial fuel cells. CHEMOSPHERE 2022; 297:134038. [PMID: 35183587 DOI: 10.1016/j.chemosphere.2022.134038] [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: 09/13/2021] [Revised: 01/19/2022] [Accepted: 02/16/2022] [Indexed: 06/14/2023]
Abstract
Owing to membrane penetration, a novel route of nitrogen removal was proposed in a dual-chamber microbial fuel cell with a proton exchange membrane (PEM). The results showed that NH4+-N rapidly migrated across PEM with a mass transfer coefficient (KA) of 1.79 ± 0.51 × 10-4 cm s-1, 50% of which was oxidized to NO3--N in the cathode chamber, then the remainder being eliminated by short-cut nitrification/denitrification. Meanwhile, NO3--N went across the PEM again with a low KA of 5.50 ± 0.24 × 10-6 cm s-1, and was subsequently reduced via anodic denitrification. In the anode, the functional microorganisms were divided into exoelectrogenic bacteria (46.2%) and denitrifying bacteria (37.3%), while the dominated bacteria were mainly affiliated with nitrifying bacteria (19.6%) and aerobic denitrifying bacteria (52.9%) in the cathode. These findings provide a new insight into nitrogen removal during bioelectrochemical treatment of actual wastewater.
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Affiliation(s)
- Xiaojun Jin
- CAS Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China
| | - Nuan Yang
- Key Laboratory of Development and Application of Rural Renewable Energy, Ministry of Agriculture and Rural Affairs, Biogas Institute of Ministry of Agriculture and Rural Affairs (BIOMA), Chengdu, 610041, China
| | - Hong Liu
- CAS Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China
| | - Sha Wang
- CAS Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China.
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12
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Deng Z, Zhu J, Yang L, Zhang Z, Li B, Xia L, Wu L. Microalgae fuel cells enhanced biodegradation of imidacloprid by Chlorella sp. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2021.108327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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13
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Arun S, Ramasamy S, Pakshirajan K, Pugazhenthi G. Bioelectricity production and shortcut nitrogen removal by microalgal-bacterial consortia using membrane photosynthetic microbial fuel cell. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 301:113871. [PMID: 34619589 DOI: 10.1016/j.jenvman.2021.113871] [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: 01/23/2021] [Revised: 08/26/2021] [Accepted: 09/26/2021] [Indexed: 06/13/2023]
Abstract
Membrane photosynthetic microbial fuel cell (MPMFC) utilizes O2, NO3- and NO2- as cathodic electron acceptors, enabling simultaneous treatment of nitrogen, CO2 and organic carbon in the cathode compartment. In this work, development of a novel cathodic process with in situ nitritation via microalgal photosynthesis during the light period is reported for achieving shortcut nitrogen removal (SNR) from ammonium-rich wastewater. Moreover, a tubular low-cost ceramic membrane was used to separate and recycle the microalgal-bacterial biomass to the cathode compartment during the continuous operation. The influence of NH4+ concentration and ratio of chemical oxygen demand to total nitrogen on the MPMFC performance was examined. Denitritation under dark and anoxic conditions occurred due to denitrifying bacteria (DNB) subsequent to nitritation under light and aerobic conditions by ammonia-oxidizing bacteria (AOB) in the consortia. Final concentrations of NH4+ and NO2- in the effluent of 0.10 mg NH4+-L-1 and 0.02 mg NO2--L-1, respectively, were obtained using MPMFC which resulted in a nitrogen removal efficiency of 99 ± 0.5%. The maximum electricity production achieved using the MPMFC was 56 ± 0.1 mA. This study demonstrated that combining microalgal photosynthesis, nitritation and denitritation in the cathode compartment of MPMFC is advantageous for avoiding the cost due to external aeration and organic carbon source necessary for ammonium removal as well as utilization of NO2- or NO3- as an electron acceptor.
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Affiliation(s)
- S Arun
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Surjith Ramasamy
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Kannan Pakshirajan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India.
| | - G Pugazhenthi
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
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Abstract
The need to safeguard our planet by reducing carbon dioxide emissions has led to a significant development of research in the field of alternative energy sources. Hydrogen has proved to be the most promising molecule, as a fuel, due to its low environmental impact. Even if various methods already exist for producing hydrogen, most of them are not sustainable. Thus, research focuses on the biological sector, studying microalgae, and other microorganisms’ ability to produce this precious molecule in a natural way. In this review, we provide a description of the biochemical and molecular processes for the production of biohydrogen and give a general overview of one of the most interesting technologies in which hydrogen finds application for electricity production: fuel cells.
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Jatoi AS, Akhter F, Mazari SA, Sabzoi N, Aziz S, Soomro SA, Mubarak NM, Baloch H, Memon AQ, Ahmed S. Advanced microbial fuel cell for waste water treatment-a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:5005-5019. [PMID: 33241504 DOI: 10.1007/s11356-020-11691-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 11/16/2020] [Indexed: 06/11/2023]
Abstract
Petroleum, coal, and natural gas reservoir were depleting continuously due to an increase in industrialization, which enforced study to identify alternative sources. The next option is the renewable resources which are most important for energy purpose coupled with environmental problem reduction. Microbial fuel cells (MFCs) have become a promising approach to generate cleaner and more sustainable electrical energy. The involvement of various disciplines had been contributing to enhancing the performance of the MFCs. This review covers the performance of MFC along with different wastewater as a substrate in terms of treatment efficiencies as well as for energy generation. Apart from this, effect of various parameters and use of different nanomaterials for performance of MFC were also studied. From the current study, it proves that the use of microbial fuel cell along with the use of nanomaterials could be the waste and energy-related problem-solving approach. MFC could be better in performances based on optimized process parameters for handling any wastewater from industrial process.
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Affiliation(s)
- Abdul Sattar Jatoi
- Chemical Engineering Department, Dawood University of Engineering and Technology, Karachi, Pakistan.
| | - Faheem Akhter
- Department of Chemical Engineering, Quaid-E-Awam University of Engineering, Science & Technology, Nawabshah, Pakistan
| | - Shaukat Ali Mazari
- Chemical Engineering Department, Dawood University of Engineering and Technology, Karachi, Pakistan.
| | | | - Shaheen Aziz
- Chemical Engineering Department, Mehran University of Engineering and Technology, Jamshoro, Pakistan
| | - Suhail Ahmed Soomro
- Chemical Engineering Department, Mehran University of Engineering and Technology, Jamshoro, Pakistan
| | - Nabisab Mujawar Mubarak
- Department of Chemical Engineering, Faculty of Engineering and Science, Curtin University, 98009, Miri Sarawak, Malaysia.
| | - Humair Baloch
- School of Engineering, RMIT University, Melbourne, 3000, Australia
| | - Abdul Qayoom Memon
- Chemical Engineering Department, Dawood University of Engineering and Technology, Karachi, Pakistan
| | - Shoaib Ahmed
- Chemical Engineering Department, Dawood University of Engineering and Technology, Karachi, Pakistan
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Wang H, Du H, Zeng S, Pan X, Cheng H, Liu L, Luo F. Explore the difference between the single-chamber and dual-chamber microbial electrosynthesis for biogas production performance. Bioelectrochemistry 2021; 138:107726. [PMID: 33421897 DOI: 10.1016/j.bioelechem.2020.107726] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 12/13/2020] [Accepted: 12/14/2020] [Indexed: 12/20/2022]
Abstract
Microbial electrosynthesis (MES) is an advanced technology for efficient treatment of organic wastewater and recovery of new energy, with the advantages and disadvantages of single-chamber and dual-chamber MES reactors being less understood. Therefore, we explored the effects of single-chamber and dual-chamber structures on the methane production performance and microbial community structure of MES. Results indicated that methane concentration and current density of single-chamber MES were higher than those of dual-chamber MES, and the system stability was better, while chemical oxygen demand (COD) removal rate and cumulative methane production were not significantly different. Analysis of microbial community structure showed the abundance of acidogens and H2-producing bacteria was higher in single-chamber MES, while fermentation bacteria and methanogens was lower. The abundance of methanogens of dual-chamber MES (21.74-24.70%) was superior to the single-chamber MES (8.23-10.10%). Moreover, in dual-chamber MES, methane was produced primarily through acetoclastic methanogenic pathway, while in single-chamber MES cathode, methane production was mainly by hydrogenotrophic methanogenic pathway. Information provided will be useful to select suitable reactors and optimize reaction design.
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Affiliation(s)
- Hui Wang
- Chongqing Key Laboratory of Bio-resource for Bioenergy, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Hongxia Du
- Chongqing Key Laboratory of Bio-resource for Bioenergy, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Shufang Zeng
- College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Xiaoli Pan
- Chongqing Key Laboratory of Bio-resource for Bioenergy, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Hao Cheng
- Chongqing Key Laboratory of Bio-resource for Bioenergy, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Lei Liu
- Chongqing Key Laboratory of Bio-resource for Bioenergy, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Feng Luo
- Chongqing Key Laboratory of Bio-resource for Bioenergy, College of Resources and Environment, Southwest University, Chongqing 400715, China.
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17
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Yu M, Yang Q, Yuan X, Li Y, Chen X, Feng Y, Liu J. Boosting oxygen reduction and permeability properties of doped iron-porphyrin membrane cathode in microbial fuel cells. BIORESOURCE TECHNOLOGY 2021; 320:124343. [PMID: 33166886 DOI: 10.1016/j.biortech.2020.124343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/22/2020] [Accepted: 10/24/2020] [Indexed: 06/11/2023]
Abstract
To achieve a membrane cathode with excellent performance, iron-porphyrin (Fe(por)) was doped to boost the catalytic and permeability properties in microbial fuel cell (MFC). The membrane cathode with the optimal 0.05 g of Fe(por) (denoted as Fe(por)-0.05) had the highest current density of 10.3 A m-2 and the lowest charge transfer resistance of 12.6 ± 0.3 Ω. The ring-disk electrode (RDE) results further proved that the oxygen reduction reaction (ORR) occurred on the Fe(por)-0.05 through a direct four-electron transfer pathway. Moreover, the membrane cathode performed better permeability properties under electric filed and the Fe(por)-0.05 + E (E was electric field) obtained the lowest flux attenuation ratio of 14.1 ± 0.2%, which was related to its superior hydrophilicity and strong electrostatic repulsion force. Iron-porphyrin can simultaneously enhance the ORR activity and permeability of membrane cathode, providing a new direction for the practical application in MFCs.
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Affiliation(s)
- Meiying Yu
- School of Environmental Science and Engineering, Academy of Environment and Ecology, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Qiao Yang
- School of Ocean Science and Technology, Dalian University of Technology, No. 2 Dagong Road, Panjin 124221, China
| | - Xiaole Yuan
- School of Environmental Science and Engineering, Academy of Environment and Ecology, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Yunfei Li
- School of Environmental Science and Engineering, Academy of Environment and Ecology, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Xuepeng Chen
- School of Environmental Science and Engineering, Academy of Environment and Ecology, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Yujie Feng
- School of Environmental Science and Engineering, Academy of Environment and Ecology, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, No. 73 Huanghe Road, Nangang District, Harbin 150090, China
| | - Jia Liu
- School of Environmental Science and Engineering, Academy of Environment and Ecology, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China.
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18
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Bolognesi S, Cecconet D, Callegari A, Capodaglio AG. Combined microalgal photobioreactor/microbial fuel cell system: Performance analysis under different process conditions. ENVIRONMENTAL RESEARCH 2021; 192:110263. [PMID: 33035559 DOI: 10.1016/j.envres.2020.110263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 08/27/2020] [Accepted: 09/20/2020] [Indexed: 05/12/2023]
Abstract
Increasing energy demands and greenhouse gases emission from wastewater treatment processes prompted the investigation of alternatives capable to achieve effective treatment, energy and materials recovery, and reduce environmental footprint. Combination of microbial fuel cell (MFC) technology with microalgal-based process in MFC-PBR (photobioreactor) systems could reduce greenhouse gases emissions from wastewater treatment facilities, capturing CO2 emitted from industrial facilities or directly from the atmosphere. Microalgae production could enhance recovery of wastewater-embedded resources. Two system MFC-PBR configurations were tested and compared with a control MFC, under different operating conditions, using both synthetic and agro-industrial wastewater as anolytes. COD removal efficiency (ηCOD) and energy production were monitored during every condition tested, reaching ηCOD values up to 99%. Energy recovery efficiency and energy losses were also evaluated. The system equipped with microalgal biocathode proved to be capable to efficiently treat real wastewater, surpassing the effectiveness of the control unit under specific conditions. Oxygen provided by the algae improves the overall energy balance of this system, which could be further enhanced by many possible resources recovery opportunities presented by post-processing of the cathodic effluent.
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Affiliation(s)
- Silvia Bolognesi
- Department of Civil Engineering and Architecture, University of Pavia, Via Adolfo Ferrata 3, 27100, Pavia, Italy; LEQUiA, Institute of the Environment, Universitat de Girona, 69, M(a) Aurèlia Capmany, Girona, 17003, Spain.
| | - Daniele Cecconet
- Department of Civil Engineering and Architecture, University of Pavia, Via Adolfo Ferrata 3, 27100, Pavia, Italy; Department of Chemistry, University of Pavia, Viale Torquato Taramelli 12, 27100, Pavia, Italy
| | - Arianna Callegari
- Department of Civil Engineering and Architecture, University of Pavia, Via Adolfo Ferrata 3, 27100, Pavia, Italy
| | - Andrea G Capodaglio
- Department of Civil Engineering and Architecture, University of Pavia, Via Adolfo Ferrata 3, 27100, Pavia, Italy
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19
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Nguyen HTH, Min B. Using multiple carbon brush cathode in a novel tubular photosynthetic microbial fuel cell for enhancing bioenergy generation and advanced wastewater treatment. BIORESOURCE TECHNOLOGY 2020; 316:123928. [PMID: 32768999 DOI: 10.1016/j.biortech.2020.123928] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/20/2020] [Accepted: 07/25/2020] [Indexed: 06/11/2023]
Abstract
A novel tubular-type photosynthetic microbial fuel cell (PMFC) with algal growth and multiple electrodes in the cathode chamber was operated at various hydraulic retention times (HRTs). When the HRT in the cathode was fixed to 24 h, cell voltage gradually increased as the HRT in the anode was decreased from 24 h to 6 h, and at 6 h, 315 mV of electricity was generated and the dissolved oxygen concentration was 10.31 ± 2.60 mg/L. However, HRT changes in the cathode did not affect cell voltage generation much, although a sharp decrease in cell voltage was observed at 2-h HRT. With wastewater passing through the chambers in series (19.3-h total HRT), the PMFC was able to successfully generate cell voltage and remove nutrients. The maximum COD and phosphorus removal percentages were obtained for an initial COD of 300 mg/L, while the maximum nitrogen removal was obtained for an initial COD of 400 mg/L.
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Affiliation(s)
- Hai T H Nguyen
- Department of Environmental Science and Engineering, Kyung Hee University, Republic of Korea
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University, Republic of Korea.
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20
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Guo Y, Wang J, Shinde S, Wang X, Li Y, Dai Y, Ren J, Zhang P, Liu X. Simultaneous wastewater treatment and energy harvesting in microbial fuel cells: an update on the biocatalysts. RSC Adv 2020; 10:25874-25887. [PMID: 35518611 PMCID: PMC9055303 DOI: 10.1039/d0ra05234e] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 07/03/2020] [Indexed: 01/17/2023] Open
Abstract
The development of microbial fuel cell (MFC) makes it possible to generate clean electricity as well as remove pollutants from wastewater. Extensive studies on MFC have focused on structural design and performance optimization, and tremendous advances have been made in these fields. However, there is still a lack of systematic analysis on biocatalysts used in MFCs, especially when it comes to pollutant removal and simultaneous energy recovery. In this review, we aim to provide an update on MFC-based wastewater treatment and energy harvesting research, and analyze various biocatalysts used in MFCs and their underlying mechanisms in pollutant removal as well as energy recovery from wastewater. Lastly, we highlight key future research areas that will further our understanding in improving MFC performance for simultaneous wastewater treatment and sustainable energy harvesting.
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Affiliation(s)
- Yajing Guo
- Tianjin Key Lab. of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University Tianjin 300354 PR China
| | - Jiao Wang
- Tianjin Key Lab. of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University Tianjin 300354 PR China
| | - Shrameeta Shinde
- Department of Microbiology, Miami University Oxford OH 45056 USA
| | - Xin Wang
- Department of Microbiology, Miami University Oxford OH 45056 USA
| | - Yang Li
- Tianjin Key Lab. of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University Tianjin 300354 PR China
| | - Yexin Dai
- Tianjin Key Lab. of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University Tianjin 300354 PR China
| | - Jun Ren
- Tianjin Key Lab. of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University Tianjin 300354 PR China
| | - Pingping Zhang
- College of Food Science and Engineering, Tianjin Agricultural University Tianjin 300384 PR China
| | - Xianhua Liu
- Tianjin Key Lab. of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University Tianjin 300354 PR China
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21
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Nguyen HTH, Min B. Leachate treatment and electricity generation using an algae-cathode microbial fuel cell with continuous flow through the chambers in series. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 723:138054. [PMID: 32222505 DOI: 10.1016/j.scitotenv.2020.138054] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 06/10/2023]
Abstract
Algae-cathode microbial fuel cells (MFCs) with various hydraulic retention times (HRTs) were investigated for electricity generation, and chemical oxygen demand (COD) and nutrient removal from diluted landfill leachate (15% v/v). The cell voltage and dissolved oxygen (DO) in the cathode were considerably affected by the HRT. The highest cell voltage was 303 mV at 20-h HRT, and DO concentration of 5.3 mg/L was only observed at 60-h HRT. Nutrient removal increased with increasing HRTs, and the maximum removal efficiency was 76.4% and 86.3% at 60-h HRT for ammonium and phosphorus, respectively. The highest COD removal of 26% was observed at 60-h HRT. The dominant phyla in the cathode were Proteobacteria, Cyanobacteria, Bacteroidetes, and Chlorophyta, which could have contributed to electricity generation and nutrient removal. This study suggests that an algae-cathode MFC with an appropriate HRT can continuously generate electricity and simultaneously remove nutrients from real leachate wastewater in field applications.
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Affiliation(s)
- Hai T H Nguyen
- Department of Environmental Science and Engineering, Kyung Hee University, Republic of Korea
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University, Republic of Korea.
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22
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Nagendranatha Reddy C, Nguyen HTH, Noori MT, Min B. Potential applications of algae in the cathode of microbial fuel cells for enhanced electricity generation with simultaneous nutrient removal and algae biorefinery: Current status and future perspectives. BIORESOURCE TECHNOLOGY 2019; 292:122010. [PMID: 31473037 DOI: 10.1016/j.biortech.2019.122010] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 08/10/2019] [Accepted: 08/12/2019] [Indexed: 05/12/2023]
Abstract
Production of biofuels and other value-added products from wastewater along with quality treatment is an uttermost necessity to achieve environmental sustainability and promote bio-circular economy. Algae-Microbial fuel cell (A-MFC) with algae in cathode chamber offers several advantages e.g. photosynthetic oxygenation for electricity recovery, CO2-fixation, wastewater treatment, etc. However, performance of A-MFC depends on several operational parameters and also on electrode materials types; therefore, enormous collective efforts have been made by researchers for finding optimal conditions in order to enhance A-MFC performance. The present review is a comprehensive snapshot of the recent advances in A-MFCs, dealing two major parts: 1) the power generation, which exclusively outlines the effect of different parameters and development of cutting edge cathode materials and 2) wastewater treatment at cathode of A-MFC. This review provides fundamental knowledge, critical constraints, current status and some insights for making A-MFC technology a reality at commercial scale operation.
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Affiliation(s)
- C Nagendranatha Reddy
- Department of Environmental Science and Engineering, Kyung Hee University, 1732 Deogyeong-daero Giheung-gu, Yongin-si Gyeonggi-do 17104, Republic of Korea; Department of Biotechnology, Chaitanya Bharathi Institute of Technology (Autonomous), Gandipet-500075, Hyderabad, Telangana State, India; Bhuma Shobha Nagireddy Memorial College of Engineering & Technology (BSNRMCET) Kandukuri Metta, Allagadda 518543, Andhra Pradesh, India
| | - Hai T H Nguyen
- Department of Environmental Science and Engineering, Kyung Hee University, 1732 Deogyeong-daero Giheung-gu, Yongin-si Gyeonggi-do 17104, Republic of Korea
| | - Md T Noori
- Department of Environmental Science and Engineering, Kyung Hee University, 1732 Deogyeong-daero Giheung-gu, Yongin-si Gyeonggi-do 17104, Republic of Korea
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University, 1732 Deogyeong-daero Giheung-gu, Yongin-si Gyeonggi-do 17104, Republic of Korea.
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23
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Microalgae at niches of bioelectrochemical systems: A new platform for sustainable energy production coupled industrial effluent treatment. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.biteb.2019.100290] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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Noori MT, Ghangrekar MM, Mukherjee CK, Min B. Biofouling effects on the performance of microbial fuel cells and recent advances in biotechnological and chemical strategies for mitigation. Biotechnol Adv 2019; 37:107420. [PMID: 31344446 DOI: 10.1016/j.biotechadv.2019.107420] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/01/2019] [Accepted: 07/19/2019] [Indexed: 02/08/2023]
Abstract
The occurrence of biofouling in MFC can cause severe problems such as hindering proton transfer and increasing the ohmic and charge transfer resistance of cathodes, which results in a rapid decline in performance of MFC. This is one of the main reasons why scaling-up of MFCs has not yet been successfully accomplished. The present review article is a wide-ranging attempt to provide insights to the biofouling mechanisms on surfaces of MFC, mainly on proton exchange membranes and cathodes, and their effects on performance of MFC based on theoretical and practical evidence. Various biofouling mitigation techniques for membranes are discussed, including preparation of antifouling composite membranes, modification of the physical and chemical properties of existing membranes, and coating with antifouling agents. For cathodes of MFC, use of Ag nanoparticles, Ag-based composite nanoparticles, and antifouling chemicals is outlined in considerable detail. Finally, prospective techniques for mitigation of biofouling are discussed, which have not been given much previous attention in the field of MFC research. This article will help to enhance understanding of the severity of biofouling issues in MFCs and provides up-to-date solutions. It will be beneficial for scientific communities for further strengthening MFC research and will also help in progressing this cutting-edge technology to scale-up, using the most efficient methods as described here.
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Affiliation(s)
- Md T Noori
- Department of Environmental Science and Engineering, Kyung Hee University, Yongin-Si, Republic of Korea
| | - M M Ghangrekar
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, 721302, India
| | - C K Mukherjee
- Department of Agricultural and Food Engineering, Indian Institute of Technology Kharagpur, 721302, India
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University, Yongin-Si, Republic of Korea.
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25
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Performance of an air-cathode microbial fuel cell under varied relative humidity conditions in the cathode chamber. Bioprocess Biosyst Eng 2019; 42:1247-1254. [PMID: 31030377 DOI: 10.1007/s00449-019-02122-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/28/2019] [Accepted: 04/03/2019] [Indexed: 10/26/2022]
Abstract
The performance of an air-cathode microbial fuel cell (MFC) with a cap arrangement was significantly affected by humidity conditions in the cathode. An MFC at a relative humidity (RH) of 88% produced a highest cell voltage of 0.42 V (600 Ω) compared to other operations at 50% (0.34 V) and 30% (0.29 V) RHs. During polarization analysis, MFC operation at 88% RH produced a maximum power density of 0.377 W/m2 (a current density of 1.5 A/m2), which was 1.8 and 2.9 times higher than with 50% and 30% RHs, respectively. Cyclic voltammogram analysis revealed a higher reduction current of - 0.073 A with 88% RH. Furthermore, no increase in dissolved oxygen concentration in the anode chamber was observed with 88% RH. This result suggests that control of humidity conditions in cathode chamber could maximize power generation from an air-cathode MFC.
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Noori MT, Tiwari BR, Ghangrekar MM, Min B. Azadirachta indica leaf-extract-assisted synthesis of CoO–NiO mixed metal oxide for application in a microbial fuel cell as a cathode catalyst. SUSTAINABLE ENERGY & FUELS 2019. [DOI: 10.1039/c9se00661c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In this study, a highly efficient yet low-cost mixed transition metal oxide of Ni and Co as CoO–NiO was synthesized using Azadirachta indica leaf extract as a bioactive chelating agent.
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Affiliation(s)
- Md. T. Noori
- Department of Environmental Science and Engineering
- Kyung Hee University
- Yongin-si
- South Korea
| | - B. R. Tiwari
- Department of Civil Engineering
- Indian Institute of Technology Kharagpur
- Kharagpur – 721302
- India
| | - M. M. Ghangrekar
- Department of Civil Engineering
- Indian Institute of Technology Kharagpur
- Kharagpur – 721302
- India
| | - Booki Min
- Department of Environmental Science and Engineering
- Kyung Hee University
- Yongin-si
- South Korea
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