用植物激素增强的微藻:用于清除制药污染物和资源回收的双重功能解决方案
Jun-Jie Gu1, Xiao-Xiao Dou1, Jin-Long Zhou1
1School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316000, China; National & Local Joint Engineering Research Center of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Key Laboratory of Pollution Control for Port-Petrochemical Industry, Zhoushan 316000, China.
Journal of hazardous materials
|August 1, 2025
概括
植物激素增强显著增强微藻废水处理,改善制药污染物清除和生物资源生产. 酸 (SA) 在Chlorella pyrenoidosa中显示出最好的整体性能.
科学领域:
- 环境生物技术 环境生物技术
- 微藻生物工程 微藻生物工程
- 废水整治 废水整治 废水整治 废水整治
背景情况:
- 微藻为废水处理,碳捕获和资源回收提供了可持续的解决方案.
- 目前微藻在去除制药污染物 (PC) 的效率上存在限制.
- 植物激素增强是改善PC移除和生物资源产量的潜在策略,但机制和可扩展性需要研究.
研究的目的:
- 系统地评估七种植物激素对Chlorella pyrenoidosa中三甲 (TCC) 降解和生物资源生产的影响.
- 阐明植物激素在微藻废水处理中的作用的基本机制.
- 评估植物激素增强微藻在处理真正的家用废水中的可扩展性和有效性.
主要方法:
- 对七种植物激素 (IAA,ABA,SA,GA3,JA,BR,ZT) 进行查,以确定它们对Chlorella pyrenoidosa生长,TCC去除和生物分子产生的影响.
- 机理学研究包括降解代谢,离子 (Ca2+) /氧化 (NO) 信号传输和活性氧物种 (ROS) 平衡的分析.
- 使用真正的家用废水在50L光生物反应器中进行规模化实验.
主要成果:
- 所有测试的植物激素都显著增强了微藻的生长,TCC的去除和生物分子产量.
- 酸 (SA) 显示出平衡的性能,实现了高生物质产量,TCC去除 (86.2%) 和最高的脂质生产率 (4.27 mg/L/d).
- 植物激素调节了降解代谢和Ca2+/NO信号,以保持ROS平衡. 扩大SA处理将16个PC删除了74.7%,并将脂质,粉,蛋白质和颜料的生产率提高了2.86至6.96倍. 补充的SA几乎完全被利用.
结论:
- 植物激素增强是一种可行的策略,可以提高微藻废水处理效率,以消除污染物和资源回收.
- 酸 (SA) 是一种高效的植物激素,可优化Chlorella pyrenoidosa在废水处理中的性能.
- 用植物激素增强的微藻系统代表了一种可扩展和可持续的生物技术,用于综合废水净化和循环生物经济应用,最大限度地减少二次污染.
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