使用Clostridium物种在无氧批处理过程中通过暗发酵生产生物的合理比较
Ludovic Vauthier1, Emmanuel Rondags1, Céline Loubière1
1Université de Lorraine, CNRS, LRGP, Nancy 54000, France.
Journal of biotechnology
|October 24, 2025
概括
克洛斯特里粉末ATCC 6013通过暗发酵显示出优异的生产. 这种菌株提供高气体容量和高效的基板转换,使其成为工业气生产的理想选择.
科学领域:
- 微生物学 微生物学
- 生物技术是生物技术.
- 可再生能源可再生能源是可再生能源.
背景情况:
- 众所周知,Clostridium属的细菌通过暗发酵产生气.
- 由于种植条件不同,Clostridium菌株用于生产的标准化比较是有限的.
研究的目的:
- 为了在受控批量条件下比较四种Clostridium菌株的气生产性能.
- 为了识别具有高潜力高效气 (H2) 生产的菌株.
主要方法:
- 在调节pH值和大气压力的混合生物反应器中进行批量发酵.
- 葡萄糖作为所有测试菌株的唯一碳基质.
- 测量气体体积,产量和与二氧化碳的比率.
主要成果:
- 克洛斯特里粉 (Clostridium pasteurianum) 的ATCC 6013表现出产量最高的气体 (866毫升气体/(L生物反应器·h)).
- 这种菌株实现了1.73mol/mol的基板产量和1.03mol/mol的H2/CO2比.
- ATCC 6013的性能指标与其他研究的菌株可比,表明其高效率.
结论:
- 克洛斯特里粉 (Clostridium pasteurianum) ATCC 6013是大量生产气的有希望的候选物.
- 优化发酵条件可以进一步提高这种菌株的工业适用性.
- 这项研究强调了对标准化比较的需要,以充分探索Clostridium的生产潜力.
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