在大规模生产微藻时,从烟雾气中有效地提供二氧化碳:生物能源外观的新方法
Martin Kerner1, Thorsten Wolff2, Torsten Brinkmann2
1SSC Strategic Science Consult GmbH, Beim Alten Gaswerk 5, 22761 Hamburg, Germany.
Bioresource technology
|October 26, 2023
概括
这项研究展示了一种有效的方法,可以从烟气中供应丰富的二氧化碳 (CO2),在生物能源外墙中培养Chlorella sorokiniana微藻,最大限度地减少CO2的损失,以实现可持续生产.
科学领域:
- 生物技术是生物技术.
- 培养藻类 培养藻类
- 碳捕获是一种碳捕获方式.
背景情况:
- 微藻种植需要有效的二氧化碳 (CO2) 供应以实现最佳生长.
- 生物能源立面为微藻生产提供了一个潜在的平台.
- 使用烟雾气作为二氧化碳来源带来了经济和环境的好处.
研究的目的:
- 评估使用烟气中缩的二氧化碳在生物能源外观中大规模生产Chlorella sorokiniana的效率.
- 为了评估二氧化碳的回收,并尽量减少微藻种植过程中的损失.
主要方法:
- 使用膜装置从加热系统的烟气中提取二氧化碳.
- 通过静态混合器重新压缩并将CO2丰富气体应用于培养基.
- 在最佳生长条件下监测pH值,温度和光合作用效率.
主要成果:
- 二氧化碳的丰富度达到了49%体积,二氧化碳回收率达到了62%.
- 在种植过程中,二氧化碳的平均损失减少到24%.
- 保持最佳的pH值 (6.2) 和温度 (<28°C),支持Chlorella sorokiniana的生长.
- 平均光合作用效率是0.54gmol-1尽管太阳辐射高.
结论:
- 开发的二氧化碳供应战略有效地减少了损失,提高了经济可行性.
- 这种方法使生物能源立面系统中更可持续的微藻生产成为可能.
- 从烟气中有效利用二氧化碳对于推进基于微藻的生物能源至关重要.
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