Challenges and opportunities of microbial fuel cells (MFCs) technology development in Indonesia

Ramadan, Bimastyaji Surya

doi:10.1051/matecconf/201710102018

Cited by 10 publications

(3 citation statements)

References 20 publications

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“…Electro microbiology is generally an emerging field of biology and microbiology, with a wider range of new developments and ever-growing discoveries. There are many other potential applications currently under study [161][162][163][164][165][166][167]. However, we need new methods that can meet our sustainable system requirements.…”

Section: Discussionmentioning

confidence: 99%

Exploring Microbial Electroactivity: From Skin Microbiota to Cable Bacteria in Microbial Fuel Cells

Zarlashat,

Mushtaq,

Salman Shah

2024

AIBM

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Bacteria with the remarkable ability to transport electrons both intra and extracellularly for renewable energy production and environmental remediation. Nowadays, some bacteria have applications in the field of environmental sciences as well as physics, involving the production of useful substances and electric current. Prokaryotes have the potential to use charged electrodes to donate and accept electrons. These bacteria use a mechanism namely extracellular electron transport (EET) for multiple purposes; small power sources, pollution remedy, water reclamation, and electrosynthesis. Researchers are currently working on bacteria having EET ability at a basic level and looking forward to remarkable applications in the future. Microbial fuel cells (MFCs) are recognized as the most potent candidate for future alternative energy production. Nanowires such as those produced by Geobacter sulfurreducens and Shewanella oneidensis, facilitate electron transfer over longer distances, enhancing the efficiency of bioelectricity generation. This review briefly explains the components of bacteria involved in the EET mechanisms for the production of electric current and the role of biofilm for electrogenic bacteria. It also highlights the different methods used to promote the EET mechanism and some unusual external electrons used recently in MFC.

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Section: Discussionmentioning

confidence: 99%

Exploring Microbial Electroactivity: From Skin Microbiota to Cable Bacteria in Microbial Fuel Cells

Zarlashat,

Mushtaq,

Salman Shah

2024

AIBM

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“…MFCs application as an alternative energy source is presently narrowed to certain areas such as wastewater treatment, powering underwater monitoring devices, power supply to remote sensors, BOD sensing, biosensors for online monitoring of treatment processes, nitrification-denitrification, and hydrogen and methane production. In addition, MFCs could be used to treat biomass, algae, landfill leachate, agricultural runoff, and industrial waste [39]. With further improvements in design, cost-effectiveness, and performance efficiency, it would be possible to scale up and use MFCs as a renewable energy resource [40].…”

Section: Introductionmentioning

confidence: 99%

Optimization of Microbial Fuel Cells Operating Parameters for Better Removal of Organic Matter and Higher Energy Production from Wastewater

Haddad

Joudeh

2021

J. Environ. Sci. Eng. Technol.

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In this study, four double-chambered Microbial fuel cells (MFCs) operated by primary effluent wastewater mixed with anaerobic sludge as substrate, was designed, built, and optimized for better higher energy production and subsequently better removal of organic matter. Optimized MFCs operating parameters as a function of energy produced include electrode material type, electrode size, salt bridge diameter, type of salt solution that used in salt bridge, and concentration of the salt solution used in the salt bridge. Three duplicates-MFCs for each parameter value were used. Output open-circuit voltage (OCV) was measured for each MFC one time daily and for one week for each tested operating parameter. Data obtained showed that (i) MFCs with copper electrodes produce output voltage significantly higher than MFCs with carbon brushes electrodes which, in turn, achieved output voltage significantly higher than both that achieved by MFCs with zinc electrodes and MFCs with manufactured carbon electrodes, (ii) MFCs with 10 mm salt bridge shown significantly higher output voltage than MFCs with both 16 and 24 mm salt bridges, (iii) KCl salt bridge in MFCs is significantly more efficient than NaCl salt bridges, and (iv) MFCs with 1M KCl salt bridges can produce output voltage significantly higher than that produced by MFCs with 3M KCl salt bridges.

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“…The bioelectrochemical devices in which bacteria/electroactive microorganisms catalytically oxidize organic matter to produce electric current are termed microbial fuel cells (MFC). , MFC were initially used for the production of energy from the renewable organic wastes present in wastewater. , The chemical energy stored in organic compounds is converted into electrical energy through electrochemical reactions in MFCs . The organic compounds are oxidized at the anode liberating electrons, flowing toward the cathode through an external circuit, thereby generating an electric current .…”

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confidence: 99%

Microbial Fuel Cell-Based Biological Oxygen Demand Sensors for Monitoring Wastewater: State-of-the-Art and Practical Applications

2020

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Environmental pollution has been a continuous threat to sustainable development and global well-being. It has become a significant concern worldwide to combat the ecological crisis using low-cost innovative technologies. Biological oxygen demand (BOD) is a key indicator to comprehend the quality of water to guarantee environmental safety and human health; however, none of the present technologies are capable of online monitoring of the water at the source. Microbial fuel cells (MFC) are a promising technology for simultaneous power generation and wastewater treatment. MFCs have also been shown in fascinating applications to measure and detect the toxic pollutants present in wastewater. These are the bioreactors where exoelectrogenic microorganisms catalyze the conversion of the inherent chemical energy stored in organic compounds to electrical energy. Sensors employ energy conversion to measure BOD, which is considered an international index for the detection of organic material load present in wastewater. The MFC-based BOD sensors have gone through a wide range of advancement from mediator to mediator-less, double chamber to single-chamber, and large size to miniature. There have been detailed studies to improve the accuracy and reproducibility of the sensors for commercial applications. Additionally, multistage MFC-based BOD biosensors and miniature MFC−BOD sensors have also been ubiquitous in recent years. A considerable amount of work has been carried out to improve the performance of these devices by fabricating the proton exchange membranes and altering catalysts at the cathode. However, there remains a dearth for the fabrication of the devices in aspects like suitable microbes, proton exchange membranes, and cheaper catalysts for cathodes for effective real-time monitoring of wastewater. In this review, an extensive study has been carried out on various MFC-based BOD sensors. The efficiency and drawbacks associated with the different MFC-based BOD sensors have been critically evaluated, and future perspectives for their development have been investigated. The breadth of work compiled in this review will accelerate further research in MFC-based BOD biosensors. It will be of great importance to broad ranges of scientific research and industry.

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Challenges and opportunities of microbial fuel cells (MFCs) technology development in Indonesia

Cited by 10 publications

References 20 publications

Exploring Microbial Electroactivity: From Skin Microbiota to Cable Bacteria in Microbial Fuel Cells

Exploring Microbial Electroactivity: From Skin Microbiota to Cable Bacteria in Microbial Fuel Cells

Optimization of Microbial Fuel Cells Operating Parameters for Better Removal of Organic Matter and Higher Energy Production from Wastewater

Microbial Fuel Cell-Based Biological Oxygen Demand Sensors for Monitoring Wastewater: State-of-the-Art and Practical Applications

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