化学氧气需求和氨基醇对附着微藻生长的影响:生物膜中的物理化学特性和微观质量转移
Peihua Li1, Yanan Yang2, Lin-Lan Zhuang2
1Environmental Simulation and Pollution Control State Key Joint Laboratory, State Environmental Protection Key Laboratory of Microorganism Application and Risk Control (SMARC), School of Environment, Tsinghua University, Beijing 100084, China; Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science & Engineering, Shandong University, Qingdao, Shandong 266237, China.
Bioresource technology
|March 9, 2024
概括
将化学氧气需求 (COD) 优化为60 mg/L,并添加克烯 (CAP) 抗生素为5-10 mg/L,可增强附着微藻生物质生产,用于废水处理和资源回收.
科学领域:
- 环境生物技术 环境生物技术
- 藻类生理学 藻类生理学
- 废水处理 废水处理
背景情况:
- 化学氧气需求 (COD) 可以导致微藻培养中的生物污染.
- 抗生素,如氨基醇 (CAP),可以减轻藻类系统中的污染.
- 附着的微藻被用于废水处理和资源回收.
研究的目的:
- 研究COD和CAP在藻类生物膜中的运输和生理影响.
- 确定COD和CAP的最佳度,以提高微藻生物质生产.
- 评估对代谢途径和营养利用的影响.
主要方法:
- 研究了COD和CAP在藻类生物膜中的传输.
- 分析了不同COD和CAP度对藻类生理学的影响.
- 测量了生物质积累,光合作用色素含量和营养吸收.
主要成果:
- 发现COD度为60 mg/L是最佳的,生物质增加了55.9%.
- 氧化氧化物影响了关键的代谢途径 (光系统II,氧化酸化) 和代谢强度.
- CAP (5-10 mg/L) 刺激了光合作用色素的积累和营养的利用在类细胞中.
结论:
- 控制COD度在60mg/L左右对附着的微藻有益.
- 适当的CAP度 (5-10 mg/L) 可以改善生物质生产和资源回收.
- 这项研究为优化废水处理中的附着微藻系统提供了洞察力.
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