使用生物安全的Aspergillus oryzae 3.042真菌颗粒对微藻和进行静电和功能组介导的生物吸收
Feili Li1, Shiyu Chen1, Yijie Lin1
1College of Environment, Zhejiang University of Technology, Hangzhou 310032, PR China; Zhejiang Key Laboratory of Low-carbon Control Technology for Industrial Pollution, Hangzhou 310032, PR China.
Bioresource technology
|September 3, 2025
概括
类颗粒有效收获微藻,并消除淡水中的污染. 这种可持续的生物溶液为水的恢复和重金属的修复提供了高效率.
科学领域:
- 环境科学
- 微生物学
- 环境化学
背景情况:
- 同时发生的藻类繁殖和 (Pb) 污染威胁淡水生态系统.
- 需要有效的方法来同时采集微藻和重金属.
研究的目的:
- 开发和评估Aspergillus oryzae (A. oryzae) 的真菌颗粒 (FPs),用于采集Chlorella pyrenoidosa和固定Pb.
- 描述真菌藻类颗粒的形成和Pb捕获机制.
主要方法:
- 用于采集微藻的A. oryzae 3.042 FPs的生产
- 优化FP参数 (直径,速度,剂量,pH) 进行藻类清除.
- 使用多尺度技术对FAP和Pb固定的表征.
- 在复杂的水条件下评估FAP的性能.
主要成果:
- 优化的FP实现了95%至99%的藻类清除效率.
- FAPs的形成涉及静电吸引和功能组相互作用.
- 通过化学吸收 (94 mg·g-1) 证明了有效的Pb固定.
- 在复杂的环境条件下观察到令人满意的微藻清除.
结论:
- 提供生物安全,高效和可持续的微藻采集方法.
- FAP技术为水体中的同时Pb整治提供了可行的解决方案.
- 这种方法有助于淡水生态系统的恢复工作.
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