Abstract
Plant microbial fuel cells (PMFCs) has important value for soil remediation and power generation. To improve the performance of PMFCs, a PMFC experimental system was established based on potted scindapsus aureus. Polyaniline (PANI) and sodium alginate (SA) were used as modifiers to prepare PANI-SA modified carbon felt anode. The soil remediation ability and electricity generation ability of PMFCs with four different anodes were compared and analyzed. The experimental results show that the steady-state voltage, the removal rate of hexavalent chromium, and the total chromium removal rate of PMFC using PANI-SA modified anode were 5.25 mV, 98%, and 90%, respectively, which are 253%, 10.4%, and 10% higher than those of PMFCs using unmodified carbon felt anode. PMFC is effective and feasible for removing soil chromium pollution and achieving efficient soil remediation, while modifying anodes with PANI-SA can further improve the soil remediation and electricity generation capabilities of PMFC.
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Acknowledgements
This work was supported by the Chinese-North Macedonia Scientific and Technological Cooperation Project of Ministry of Science and Technology of the People’s Republic of China (Grant [2019] 22: 6-8), and the Intercollegiate Cooperation Project of Colleges and Universities in Liaoning Province (Grant [2020] 28), and Key Project of Liaoning Provincial Department of Education (LJKZZ20220057).
Funding
Chinese-North Macedonia Scientific and Technological Cooperation Project of Ministry of Science and Technology of the People’s Republic of China,[2019] 22: 6-8,Key Project of Liaoning Provincial Department of Education,LJKZZ20220057.
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Fan, L., Feng, W. Preparation of PANI-SA/CF anode to enhance the remediation and power generation capabilities of plant microbial fuel cells for chromium contaminated soil. Bioprocess Biosyst Eng 47, 509–518 (2024). https://doi.org/10.1007/s00449-024-02981-x
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DOI: https://doi.org/10.1007/s00449-024-02981-x