使用管状泡床反应器改进了生物甲化
Hoda Khesali Aghtaei1,2, Robert Heyer3,4,5, Udo Reichl1,2
1Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Sandtorstraße 1, 39106, Magdeburg, Germany.
Biotechnology for biofuels and bioproducts
|May 15, 2024
概括
这项研究引入了一种新的管状泡床反应器 (TFBR),通过改善转移,显著提高生物甲化. 通过高效的生物甲生产,TFBR技术加速了可再生能源储能.
科学领域:
- 生物技术和生物工程 生物技术和生物工程
- 可再生能源储存可再生能源的储存
- 化学工程是化学工程的重要组成部分.
背景情况:
- 电转气技术对于整合可再生能源至关重要,但面临着局限性.
- (H2) 转移到液态阶段是生物甲化中的速度限制步骤.
- 为了克服这一局限性,开发了一种新的管状泡床反应堆 (TFBR).
研究的目的:
- 在实验室规模上研究一台新型管状泡床反应堆 (TFBR) 的性能.
- 为了提高生物甲化中的限制速度的H2转移.
- 评估反应堆在生产电网质量的甲方面的效率.
主要方法:
- 开发和测试一种新的管状泡床反应堆 (TFBR).
- 添加一种非离子聚合物表面活性剂 (Pluronic® F-68) 来稳定液体泡.
- 在介质性 (40°C) 和热性 (55°C) 条件下的实验阶段,包括间歇性H2养.
主要成果:
- 添加表面活性剂增加了气液表面积和气泡保留时间.
- 生物甲生产率 (MPR) 在40°C时增加了6.5倍,达到15.1[单位],度>90%CH4.
- 在55°C时,MPR达到29.7[单位],即使在间歇性H2供应下 (14.8[单位]),也表现出强度.
结论:
- TFBR加速了用于可再生能源储存的生物甲技术.
- 该反应堆表现出强大的性能和可靠性,即使在H2饥饿的情况下.
- TFBR系统适用于有限的气液质量转移的生物技术过程.
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