通过微生物燃料电池产生生物能源和降解,这些燃料电池由国内有机废物提供能量
Asim Ali Yaqoob1, Nabil Al-Zaqri2, Muhammad Alamzeb3
1School of Chemical Sciences, Universiti Sains Malaysia, Minden 11800, Penang, Malaysia.
Molecules (Basel, Switzerland)
|June 10, 2023
概括
这项研究使用腐烂的作为基质,增强了微生物燃料电池 (MFC) 进行降解,达到70%的效率并产生生物能源. 它强调了MFCs在废水处理和可持续能源生产方面的潜力.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 电化学 电化学 电化学
背景情况:
- 由于其对健康的不利影响,是一种优先级污染物,需要有效的补救策略.
- 微生物燃料电池 (MFC) 为废水处理和生物能源发电提供了一个有希望的方法.
- 多重聚合物的关键限制是有机基质的低电子生成.
研究的目的:
- 调查腐烂大米作为有机基质的使用,以增强MFC中的醇生物降解.
- 为了同时实现高效的醇去除和生物能源的产生.
- 分析MFC内的电化学性能和微生物社区动态.
主要方法:
- 在MFC中利用腐米作为有机基质,用于降解.
- 在19天内监测了降解效率,电流密度和电压.
- 进行了电化学分析 (内部电阻,特定电容) 和生物膜研究.
- 在阳极电极上确定的主导细菌物种.
主要成果:
- 在19天内实现了70%的醇降解效率.
- 产生的电流密度为17.10 mA/m2,电压为199 mV.
- 证明了稳定的生物膜生产,内部电阻低 (312.58 Ω) 和高特异电容 (0.00020 F/g).
- 识别了带有导电性 pili 的 *Bacillus* 种类作为主导的阳极殖民者.
结论:
- 腐米有效地提高了MFC在醇生物降解和生物能源生产方面的性能.
- 这项研究阐明了腐米在降解中的氧化机制.
- 确定了有助于MFC稳定性和效率的微生物和电化学因素.
- 提供了对MFC技术的挑战和未来研究方向的见解.
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