Utilizing melanoidin consuming microalgae for electricity generation and wastewater treatment via photosynthetic microbial fuel cell
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Department of Biology, Faculty of Science and Digital Innovation, Thaksin University, Thailand
Nuclear Technology Research and Development Center, Thailand Institute of Nuclear Technology (Public Organization), Thailand
Department of Biotechnology, Faculty of Science and Digital Innovation, Thaksin University, Thailand
Submission date: 2024-01-12
Final revision date: 2024-01-24
Acceptance date: 2024-01-30
Publication date: 2024-05-21
Corresponding author
Pimprapa Chaijak   

Thaksin University
Acta Sci. Pol. Formatio Circumiectus 2024;23(1):75-85
  • Using microalgae for melanoidin degradation and electricity generation from palm oil mill effluent.
Aim of the study:
In our investigation, we used freshwater microalgae Chlorella sp. BF01 to degrade the melanoidin in the palm oil mill effluent, and generate electricity in the photosynthetic microbial fuel cell (PMFC).

Material and methods:
The freshwater microalgae Chlorella sp. were used in a PMFC consortium for the degradation of melanoidin and electricity generation. The removal (%), electrochemical properties, and biomass recovery were monitored without adding an exogenous medium.

Results and conclusions:
In this study, lipid-producing microalgae were employed as whole-cell biocatalysts in a PMFC using palm oil mill effluent as a substrate. The maximum melanoidin removal of 79.54 ± 0.45% was gained. The maximum power density reached was 3.98 ± 0.10 W/m3. The paper presents research findings that pave the way for a practical implementation of this innovative approach on an industrial scale.

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