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首页> 外文期刊>International Journal of Electrochemical Science >Effect of Azolla Imbricata and Spirodela Polyrrhiza on Chromium(VI) Removal and Power Generation in a Plant Microbial Fuel Cell
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Effect of Azolla Imbricata and Spirodela Polyrrhiza on Chromium(VI) Removal and Power Generation in a Plant Microbial Fuel Cell

机译：Azolla Imbricata和Spirodela polyrrhiza对植物微生物燃料电池中铬（VI）去除和发电的影响

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In this study, we performed a remediation of hexavalent chromium-contaminated soil within a constructed plant microbial fuel cell and vary the voltage to study its power generation stability. The maximum power density was driven to investigate the performance of systematic electricity generation. Furthermore, the concentration changes in total chromium and hexavalent chromium in the reactor effluent were used to study the effect of Azolla imbricata on the hexavalent chromium removal rate. The results showed that the plant group was 40–80 mV higher when compared with the non-plant group. The maximum power density of the Azolla imbricata group was 2.14 times higher than that of the non-plant group, indicating that the electricity generation performance of the plant group was markedly improved. Compared to the non-plant group, the total chromium and hexavalent chromium residue are only 10.1% and 8.1%, respectively, in the Azolla imbricata group. The synergistic effect of plants and the microbial cell noticeably quickens the hexavalent chromium removal. This work provided a novel strategy for the treatment of hexavalent chromium-contaminated soil.
机译：在这项研究中，我们在构造的植物微生物燃料电池内进行了六价铬污染土壤的修复，并改变电压以研究其发电稳定性。驱动最大功率密度以研究系统发电的性能。此外，反应器流出物中总铬和六价铬的浓度变化用于研究Azolla Imbricata对六价铬去除率的影响。结果表明，与非植物组相比，植物组均为40-80mV。 Azolla Imbricata组的最大功率密度比非植物组高2.14倍，表明植物组的发电性能明显改善。与非植物基团相比，铬和六价铬残留物分别仅在Azolla滥用药物组中分别为10.1％和8.1％。植物和微生物细胞的协同作用明显加速六价铬去除。这项工作提供了一种用于治疗六价铬污染土壤的新策略。

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