在生物废物驱动的微生物燃料电池中,同时降解纳夫他林和生产电力
Mustapha Omenesa Idris1, Mohamad Nasir Mohamad Ibrahim2, Nur Asshifa Md Noh3
1Materials Technology Research Group (MaTRec), School of Chemical Sciences, Universiti Sains Malaysia, 11800, Pulau Pinang, Malaysia; Department of Pure and Industrial Chemistry, Kogi State (Prince Abubakar Audu) University, P.M.B 1008 Anyigba, Kogi State, Nigeria.
Chemosphere
|August 28, 2023
概括
这项研究表明,微生物燃料电池 (MFCs) 可以在产生电力时生物降解甲污染. 棕核外衍生的减少氧化石墨烯 (PKS-rGO) 阳极显著提高了能源生产和甲去除效率.
科学领域:
- 环境科学 环境科学
- 电化学 电化学 电化学
- 材料科学 材料科学 材料科学
背景情况:
- 纳烯是一种危险的环境污染物,需要有效的整治策略.
- 微生物燃料电池 (MFC) 为污染物生物降解和能源发电提供了一个有前途的技术.
- 生物废物材料正在探索制造先进的阳极电极以提高MFC性能.
研究的目的:
- 通过使用MFCs,研究纳夫他林污染废水的生物降解.
- 评估棕果核衍生的石墨烯氧化物 (PKS-GO) 和减少石墨烯氧化物 (PKS-rGO) 作为MFCs的阳极材料的有效性.
- 评估这些MFCs在发电和拿法去除方面的潜力.
主要方法:
- 从棕核废物制造PKS-GO和PKS-rGO. 棕核废物制造PKS-GO和PKS-rGO.
- 使用PKS-GO和PKS-rGO作为阳极电极的MFC的建造.
- 测量功率密度,电流密度和甲烯生物降解效率.
- 使用循环电压测量和微生物社区分析分析特定电容.
主要成果:
- 使用PKS-rGO阳极的MFC实现了35.11mW/m2的最大功率密度和101.76mA/m2的电流密度.
- 纳夫他林生物降解效率达到85.5%的PKS-rGO阳极和79.7%的PKS-GO阳极.
- 与PKS-GO (1.57 × 10−4 F/g) 相比,PKS-rGO表现出更高的特定电容 (2.23 × 10−4 F/g).
- 阳极微生物分析证实了电致细菌的存在和繁荣.
结论:
- 棕核外衍生的石墨烯材料,特别是PKS-rGO,是有效的阳极材料,用于提高MFC在纳烯生物降解和发电中的性能.
- 在可持续的废水处理和可再生能源生产方面,MFC技术具有显著的潜力.
- 对生物废物衍生材料的进一步研究可以导致更高效和更具成本效益的MFC系统.
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