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Published on: December 29, 2013
Optimizing electrochemically active microorganisms as a key player in the bioelectrochemical system: Identification
Ha T T Nguyen1, Giang T H Le2, Sung-Gwan Park2
1Department of Environmental Engineering, College of Ocean Science and Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Republic of Korea; Department of Convergence Study on the Ocean Science and Technology, Ocean Science and Technology School (OST), Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Republic of Korea.
Bioelectrochemical systems (BES) offer dual benefits of energy recovery and wastewater treatment using electrochemically active microorganisms (EAM). This review details methods for optimizing EAM in BES for scalable clean energy and sustainable wastewater solutions.
Area of Science:
- Environmental Science
- Electrochemistry
- Microbiology
Background:
- Global industrialization and population growth cause energy scarcity, water crises, and emissions.
- Bioelectrochemical systems (BES) utilize electrochemically active microorganisms (EAM) for simultaneous energy recovery and wastewater treatment.
Purpose of the Study:
- To review critical performance factors in BES.
- To explore methods for suppressing methanogens and enhancing EAM in mixed cultures.
- To discuss advanced EAM detection techniques for BES upscaling.
Main Methods:
- Review of existing literature on BES performance factors.
- Analysis of strategies for selective EAM enrichment in mixed microbial communities.
- Examination of EAM identification and detection methodologies.
Main Results:
- Key BES performance factors include inoculum selection, pretreatment, electrodes, and operational conditions.
- Selective enrichment techniques can enhance EAM while suppressing competing microorganisms like methanogens.
- Rapid EAM detection aids in inoculum selection and enrichment optimization.
Conclusions:
- Optimizing EAM in BES is crucial for efficient energy recovery and wastewater treatment.
- Advanced detection and enrichment strategies are vital for scaling up BES applications.
- This review provides a consolidated perspective on EAM enrichment for sustainable BES technology.
