二氧化碳纳米气泡和巨型气泡的比较研究:对水化学,微藻生长和碳利用的影响
Lili Li1, Jingru Wei2, Yi-Ying Lee3
1John A. Reif, Jr. Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, United States; Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China.
Water research
|October 8, 2025
概括
二氧化碳 (CO2) 纳米气泡通过改善二氧化碳的转移和利用来增强藻类生物技术. 这种纳米气泡技术提高了微藻生物质和碳利用效率,为二氧化碳捕获提供了可持续的解决方案.
科学领域:
- 生物技术是生物技术.
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 藻类生物技术提供了具有成本效益的二氧化碳捕获和生物产品生成.
- 传统的气体输送方法 (宏观/微小气泡) 显示了低的二氧化碳质量转移效率和利用率.
研究的目的:
- 研究二氧化碳纳米泡的特性及其对二氧化碳质量转移,利用和微藻生长的影响.
- 将二氧化碳纳米泡的性能与传统的大型泡进行比较.
主要方法:
- 在DI水中产生CO2纳米泡的直接注入和循环模式.
- 测量二氧化碳和度,纳米泡密度和体积质量转移系数 (KL·a).
- 使用二氧化碳纳米气泡与宏观气泡培养Scenedesmus obliquus,评估生物质和碳利用效率 (CUE).
主要成果:
- 二氧化碳纳米泡迅速和DI水并达到高密度.
- 二氧化碳纳米泡的体积质量转移系数超过了宏观泡的体积转移系数.
- 微藻生物质增加了10.11%,CUE达到27.86%与二氧化碳纳米气泡相比,宏观气泡.
结论:
- 二氧化碳纳米泡技术显著提高了二氧化碳在藻类培养中的质量转移和利用.
- 纳米泡技术为藻类生物技术和减轻全球二氧化碳排放提供了一个有希望的方法.
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