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All Journal Journal of Degraded and Mining Lands Management Communications in Science and Technology Makara Journal of Science
Chaijak, Pimprapa
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering

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Electricity production from palm oil mill effluent (POME) through the integration of a microbial fuel cell and bilirubin oxidase-producing bacteria Thipraksa, Junjira; Michu, Panisa; Chaijak, Pimprapa
Journal of Degraded and Mining Lands Management Vol. 11 No. 1 (2023)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2023.111.4961

Abstract

The microbial fuel cell (MFC) is a device that harnesses microbial metabolism to convert chemical energy into bio-electrical energy. Extensive research has demonstrated its efficacy in both wastewater treatment and power generation applications. This study focused on the integration of a microbial fuel cell (MFC) with a biocathode constructed using the oxidoreductase-producing bacterium Bacillus sp. MCO22 and rice straw as a cost-effective substrate. The MFC utilized palm oil mill effluent (POME) as a chemical energy source for electricity generation in the anodic chamber. The ability of the MFC was evaluated by monitoring biochemical oxygen demand (BOD) activity and electrochemical properties. Post-operation, chemical oxygen demand (COD) and color removal were measured. The results revealed that the MFC with the BOD-based cathode achieved a maximum current density and power density of 0.58±0.01 A/m2 and 0.17±0.00 W/m2, respectively. Furthermore, it exhibited high COD and color removal rates of 95.10±0.10% and 98.53±0.33%, respectively, without requiring an external power supply. This study presents novel insights into utilizing a BOD-producing bacterium as a whole-cell biocatalyst on the MFC cathodic surface for both electricity generation and agricultural wastewater treatment.
Integrated laccase-producing consortium and silver nanoparticles (AgNPs)-based carbon capture microbial fuel cell (CMFC) for penicillin degradation, energy recovery, and carbon fixation Rothjanawan, Kronsirinut; Sola, Phachirarat; Changkit, Nopparit; Chaijak, Pimprapa
Journal of Degraded and Mining Lands Management Vol. 13 No. 2 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.132.9905

Abstract

Antibiotic-contaminated wastewater poses a significant environmental challenge worldwide. Among the various treatment technologies, microbial fuel cells (MFCs) have attracted increasing attention due to their ability to simultaneously treat wastewater and generate electricity. In this study, a silver nanoparticle (AgNP)–based photocatalytic system was integrated with a carbon-capture microbial fuel cell (CMFC) to enhance electricity generation, carbon capture, and antibiotic removal performance. The laccase (Lac) activity and penicillin removal efficiency of a bacterial consortium were first evaluated in synthetic wastewater. Penicillin-contaminated wastewater and swine wastewater were then used as the substrate in the AgNP-based CMFC. The electrochemical performance, carbon fixation capacity, and penicillin removal efficiency of the system were systematically investigated. The results demonstrated a maximum Lac activity of 10.88 ± 0.68 U/mL and a penicillin removal efficiency of 93.15 ± 0.13% by the bacterial consortium. The AgNP-based CMFC achieved a maximum current density of 28.02 ± 0.15 A/m3, power density of 12.05 ± 0.25 W/m3, carbon fixation rate of 0.03 ± 0.01 g/L/day and penicillin removal efficiency of 93.15 ± 0.13%. These findings highlight the potential of the AgNP-based CMFC as an effective and sustainable approach for treating antibiotic-contaminated wastewater while simultaneously generating bioelectricity and capturing carbon.
Co-Authors Chainapong, Thaweedet Changkit, Nopparit Kongthong, Alisa Maenpaa, Chiraprapha Michu, Panisa Palasai, Wasan Rattanabundan, Purita Rothjanawan, Kronsirinut Sola, Phachirarat Thipraksa, Junjira Yodrach, Rachchanon Yooyen, Thanapon