增加光暗比可以通过改变光颗粒中的机制来提高去除性能
Xiaodi Xing1, Jing Zhu2, Zhipeng Li2
1School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China.
Bioresource technology
|March 17, 2025
概括
优化光:光颗粒反应器中的暗比显著提高了从水产废水中去除的无机 (TIN) 的总量. 较高的比率促进微生物群落的转变,提高治疗效率.
科学领域:
- 环境微生物学 环境微生物学
- 废水处理工程 废水处理工程
- 水产养殖科学 水产养殖科学
背景情况:
- 鱼类养殖废水由于高含量而带来了环境挑战.
- 光颗粒为废水处理提供了一种可持续且具有成本效益的方法.
- 光线的影响:暗循环对光粒去除的作用需要进一步研究.
研究的目的:
- 为了研究光变:黑暗比对光粒子反应堆中去除效率的影响.
- 在最佳的光照条件下,阐明负责增强去除的基本机制.
- 为优化海洋农业废水处理中的光颗粒技术提供见解.
主要方法:
- 四个光颗粒反应堆在不同的光:黑暗比率下运行.
- 监测了总无机 (TIN) 清除速度.
- 进行了动态和元基因组分析,以了解微生物社区的转变和代谢途径.
主要成果:
- 较高的光:黑暗比率显著增加了TIN去除的速度.
- 5.5小时:0.5小时的比例在48小时内实现了99%的TIN去除.
- 甲基因组分析揭示了从蓝藻到藻的转变,由于抑制,化细菌的消失.
结论:
- 调整光:暗比是提高水产养殖废水光颗粒性能的一个关键因素.
- 观察到的微生物组成的变化直接影响了去除机制.
- 结果为工业应用的光颗粒系统中控制光参数提供了实际指导.
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