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MFC research with industrial-applications focus on industrial, economic, standard. The increasing demand for potable water and the negative impacts of industrial wastewaters on freshwater sources...

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What they did

System
MFC

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Abstract

The increasing demand for potable water and the negative impacts of industrial wastewaters on freshwater sources have necessitated the development of new technologies for holistic wastewater treatment. Constructed wetland–microbial fuel cell (CW–MFC) is an innovative and sustainable technology that combines the benefits of both CW and MFC. The wetland component provides conducive habitat for microbial growth, while the fuel cell generates electricity from microbial activity while treating wastewater. The same approach can potentially remove a wide range of recalcitrant pollutants from industrial effluents in addition to organic matter, nitrogen, and phosphorus. This technology consumes less energy, has low operating/maintenance costs and simultaneously produces renewable energy from waste streams, which makes it superior to traditional wastewater treatment technologies. The current chapter explores different types of CW–MFC systems evolved for wastewater application, emphasizing the fundamental principles, design considerations, and operation mechanisms of these systems. Further, the efficacy of CW–MFC for the treatment of a variety of industrial wastewaters, such as dairy, brewery, and pharmaceutical wastewater, is also elucidated. The chapter also highlights the challenges and limitations of the CW–MFC-based technologies and the measures required to improve their performance and scalability aspects.

Keywords

Microbial fuel cellWetlandConstructed wetlandWaste managementWastewaterSewage treatment

Identifiers

DOI
10.2166/9781789063813_0193
Journal
Resource Recovery from Industrial Wastewater through Microbial Electrochemical Technologies
Year
2024