Subsurface Microbial Fuel Cells: Harnessing Microbial Power for Environmental Remediation

Introduction:

The intersection of microbiology, electrochemistry, and environmental science has given rise to Subsurface Microbial Fuel Cells (SMFCs), an innovative technology that utilizes the metabolic activity of microorganisms in subsurface environments to generate electricity and remediate soil and ground simultaneously. This pioneering approach holds great promise for sustainable energy production and environmental remediation..[1] This article explores the principles, applications, challenges, and potential future developments of SMFCs as a promising tool for sustainable environmental remediation.

Microbial Fuel Cells and Their Evolution:

Bioelectrochemical systems known as Microbial Fuel Cells (MFCs) utilize the metabolic processes of microorganisms to generate electrical power. These systems have been widely used in a range of applications, such as energy generation and wastewater treatment.[2] The adaptation of this technology to subsurface environments has given rise to Subsurface Microbial Fuel Cells, opening new possibilities for addressing subsurface contamination challenges.

Operational Mechanism:

SMFCs function by facilitating the interaction between microorganisms and electrodes placed in subsurface environments.[3] Microorganisms engage in redox reactions as part of their metabolic activities, liberating electrons that can be utilized to produce an electrical flow..[4] The transfer of electrons takes place at the interface between the microbial community and electrodes, facilitating the generation of electrical energy as well as the breakdown of subsurface contaminants.

Applications in Environmental Remediation:

SMFCs offer a dual benefit by not only producing electricity but also actively participating in the bioremediation of subsurface contaminants. The microorganisms utilized in SMFCs play a pivotal role in decomposing organic pollutants, heavy metals, and nutrients found in the subsurface, thereby aiding in the comprehensive restoration of contaminated areas.

Future Prospects and Research Directions:'

The realm of SMFCs is constantly evolving, with continuous investigations into fresh possibilities, enhancing technologies, and discovering the complete potential of this inventive methodology. Prospective advancements may encompass the assimilation of sophisticated monitoring methods, examination of varied microbial communities, [5]and utilization of SMFCs in innovative environmental settings.

  1. ^ Muthukumar, M (2014). "The Harnessing Of Bioenergy From A Dual Chambered Microbial Fuel Cell (Mfc) Employing Sago-Processing Wastewater As Catholyte". 11 (2): 161–172. doi:10.1080/15435075.2013.771581. {{cite journal}}: Cite journal requires |journal= (help)
  2. ^ Berlitz, Carlos Augusto; Pietrelli, Andrea; Mieyeville, Fabien (September 2023). "Microbial Fuel Cell as Battery Range Extender for Frugal IoT". 16: 6501-6516. doi:10.3390/en16186501. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: unflagged free DOI (link)
  3. ^ Matthew, Lo (2023). "Development of Sustainable Hybrid Microbial Fuel Cell (MFC) System from Living Plants for Low-power Field Electronic Devices". IEEE: 154-159. doi:10.1109/GreenTech56823.2023.10173815.
  4. ^ Toczyłowska-Mamińska, Renata; Mamiński, Mariusz Ł. (September 2023). "Application of Microbial Fuel Cell Technology in Potato Processing Industry". 16: 6581-6592. doi:10.3390/en16186581. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: unflagged free DOI (link)
  5. ^ Puthilibai, G; Chithra, V (2022). "An Intelligent Approach for Electricity Generation: Microbial Fuel Cell". doi:10.1109/ICPECTS56089.2022.10046995. {{cite journal}}: Cite journal requires |journal= (help)