使用脂核颗粒进行环保微藻采集,并进行比较生命周期评估
Xiaotong Zou1, Shaohua Zhao2, Kaiwei Xu3
1Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an, 710048, China; School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an, 710048, China.
Bioresource technology
|November 16, 2023
概括
这项研究引入了脂质核心颗粒 (LCP) 进行高效的微藻收获. 修改了桑的LCP实现了97.14%的效率,提供了具有成本效益和低碳替代方案,减少了对环境的影响.
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:
- 微藻收获在效率,成本和环境影响方面面临挑战.
- 传统方法通常涉及能源密集型工艺和化学投入.
- 开发可持续和具有成本效益的收获解决方案对于微藻应用至关重要.
研究的目的:
- 开发和评估脂质核心颗粒 (LCPs) 以实现高效的微藻收获.
- 为了优化LCPs使用酸盐 (CS) 修改以提高性能.
- 评估基于LCP的微藻采集对环境的影响和机制.
主要方法:
- 脂质核心颗粒 (LCP) 被合成和修改为 Cetyltrimethylammonium 化物 (CTAB) 和 酸盐 (CS).
- 使用Chlorella vulgaris进行了收获效率测试.
- 通过使用泽塔潜力,显微镜,分形维度分析和激发发射矩阵 (EEM) 来研究机制.
- 进行了生命周期评估 (LCA),以评估环境影响.
主要成果:
- 用素修改的LCP (CS-LCP) 实现了97.14%的最大收获效率.
- 显微镜和EEM分析证实CS-LCPs嵌入微藻群和桥梁网络中.
- 生命周期评估表明,LCP在测试方法中具有最低的全球变暖潜力 (GWP).
- CS-LCPs展示了一个可行的,低碳和成本有效的收获替代方案.
结论:
- 脂质核心颗粒,特别是CS-LCPs,是采集微藻的高效方法.
- 这种方法在成本效益和减少环境足迹方面提供了显著的优势.
- 液态藻为工业微藻种植和加工提供了一个有希望的可持续解决方案.
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