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磁性配合活性炭改善了生物的生产

Kexin Tian^1,2, Jishi Zhang^3,4, Chen Zhou^1,2

¹College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China.

Environmental science and pollution research international

|July 7, 2023

概括

磁性添加活性炭 (MNAC) 在黑暗发酵中增加生物 (bioH) 产量. 这项研究表明,MNAC通过优化微生物通路和电子转移来提高H2产量.

科学领域:

生物技术是生物技术.
环境科学环境科学
微生物学微生物学

背景情况:

低生物 (bioH₂) 生产是由于代谢途径不理想的原因,暗发酵 (DF) 的常见问题.
提高生物H2产量对于可持续的能源生产至关重要.

研究的目的:

为了研究磁性添加活性炭 (MNAC) 对增强生物H₂生产在 mesophilic DF 的影响.
阐明MNAC提高H₂产量的机制.

主要方法:

制备和添加MNAC给用葡萄糖作为DF基质的注射污泥.
对H₂产量和微生物群落组成的分析.
研究电子转移和代谢途径.

主要成果:

与对照组相比,600 mg/L MNAC (304.8 mL/g 葡萄糖) 获得了最高的H₂产量,比控制组增加了51.94%.
添加MNAC丰富了特定的微生物群落 (Firmicutes,Clostridium-sensu-stricto-1),并将新陈代谢转向丁酸盐通路.
从MNAC释放的Fe离子促进了电子转移和铁素的减少,增强了生物H2的产生.

结论:

MNAC是一种有效的添加剂,用于增强中性DF中生物H₂生产.
通过调节微生物群落,优化代谢途径和促进电子转移,MNAC提高了H2的产量.
进一步了解[Fe-Fe]酶生成和微生物组件可以优化MNAC在DF系统中的应用.

关键词:

生物可用性生物可用性黑暗发酵黑暗发酵气的产量可以产生气.动态分析动态分析磁性碳化合物磁性碳化合物微生物社区的微生物社区.可溶性代谢物中的可溶性代谢物.

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