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一种光合作用微藻辅助微生物燃料电池的生物电子学,用于废水处理和增值生产

Ankesh Ahirwar^1,2, Mohd Jahir Khan^1,3, Priyanka Khandelwal¹

¹Diatom Nano Engineering and Metabolism Laboratory (DNM), School of Applied Sciences, Dr. Harisingh Gour Central University, Sagar, Madhya Pradesh, 470003, India.

Scientific reports

|August 18, 2025

概括

在光合作用微藻辅助微生物燃料电池 (PMA-MFCs) 中不断补充微藻介质,可显著提高生物发电和生物产品回收. 这种优化突出显示微藻类.

科学领域:

生物电化学生物电化学
微藻生物技术微藻生物技术
可再生能源系统可再生能源系统

背景情况:

微生物燃料电池 (MFC) 为能源发电提供了一个可持续的途径.
光合作用微藻可以通过提供氧气来提高MFC的性能.
在MFC中优化微藻种植条件对于效率至关重要.

研究的目的:

评估持续的介质补充对微藻在双室光合作用MFC (PMA-MFC) 的表现的影响.
为了比较不同PMA-MFC配置之间的发电和增值产品回收.
研究微藻在增强氧化还原反应和功率密度方面的作用.

主要方法:

测试多个PMA-MFC配置,包括连续补充 (PMA-MFCt1) 和不补充 (PMA-MFCt2).
使用没有微藻的控制MFC (PMA0-MFC) 和连接断开的电线 (PMA-MFCnw).
通过16S rRNA分析微生物群落,使用UV-Vis和LC-MS分析颜料含量 (叶绿素,胡卜素),以及生物质干重.

主要成果:

PMA-MFCt1的最大功率密度 (PDmax) 为33.76 mW m-2,明显高于PMA-MFCt2 (15.36 mW m-2) 和PMA0-MFC (8.05 mW m-2). PMA-MFCt1的最大功率密度 (PDmax) 达到33.76 mW m-2,明显高于PMA-MFCt2 (15.36 mW m-2) 和PMA0-MFC (8.05 mW m-2) 的最大功率密度.
在PMA-MFCt1中持续的介质补充持续的微藻光合作用和氧化还原反应,导致优越的生物电和生物产品.
阳极微生物分析显示了蛋白质细菌的优势,而颜色分析证实了和胡卜素的存在.

结论:

持续补充介质对于维持PMA-MFCs中微藻健康和光合作用活动至关重要,最大限度地提高能量输出.
微藻,特别是海马托科克斯 (Haematococcus lacustris) 对于提供新生的氧气至关重要,这对于MFC中高效的氧化还原反应至关重要.
优化的PMA-MFC系统展示了同时产生生物电力和回收有价值的生物产品 (如胡卜素) 的潜力.

关键词:

血球球菌 lacustrisis 是一个血球球菌.生物电力是一种生物电力.胡卜素是一种胡卜素.脂质脂质脂质是一种大基因组学,微藻类微生物燃料电池是一种微生物燃料电池.污水处理污水处理污水处理

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