改进的反应器设计使微生物电合成的生产率与经典生物技术相提并论
Jörg S Deutzmann1, Grace Callander2, Alfred M Spormann3
1Department of Civil and Environmental Engineering, 473 Via Ortega, Stanford University, Stanford, CA 94305, USA; Novo Nordisk Foundation CO(2) Research Center, Aarhus University, Gustav Wieds Vej 10C, Aarhus C DK-8000, Denmark.
Bioresource technology
|November 1, 2024
概括
微生物电合成 (MES) 使用新型板式反应器显著提高了甲和酸的生产速度. 这一进步使得MES成为可再生化学品和燃料生产的竞争力生物技术.
科学领域:
- 生物技术是生物技术.
- 电化学 电化学 电化学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 微生物电合成 (MES) 提供了一种可持续的途径,将电能从CO2转化为有价值的化学物质.
- 商业可行性需要提高MES系统中的生产速度,能源效率和产品标题.
研究的目的:
- 提高微生物电合成的性能,以生产甲和酸.
- 评估一个紧的板式反应堆,配备零间隙阳极和专门的阴极,用于增强电合成.
主要方法:
- 使用了具有零间隙阳极配置的紧板反应堆.
- 采用NiMo接的网状玻璃性碳阴极.
- 与Thermoanaerobacter kivui和一个未定义的混合培养物进行了连续热友MES.
主要成果:
- 实现了超过10 L L-1catholyte d-1的电甲生成率.
- 使用T. kivui. 的方法,以高达3.5g L-1catholyte h-1的速度生产酸,度为14g/L.
- 在甲和酸盐生产中达到80%-90%的库伦比克效率和高达30%的能效.
结论:
- 开发的板式反应堆设计大大提高了MES率,实现了与已建立的生物技术的竞争力.
- 这项工作证明了MES在高效大规模生产二氧化碳衍生燃料和化学品方面的潜力.
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