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在微藻-细菌动态膜系统中,去除的性能和膜污染

Yingfei Pu¹, Tiantian Hu¹, Lihui Zhong¹

¹School of Environment and Energy, South China University of Technology, Guangzhou 510006, China.

Bioresource technology

|October 11, 2025

概括

克洛雷拉 sp. 克洛雷拉 sp. 和 Navicula sp. 这两种植物. 在微藻-细菌动态膜生物反应器 (DMBR) 中显示出不同的去除效率和污染特性. 克洛雷拉 sp. 克洛雷拉 sp. 实现了更高的总去除,而Navicula sp. 缓解的膜污染. 缓解的膜污染.

科学领域:

环境科学环境科学
生物技术是生物技术.
水处理工程水处理工程

背景情况:

微藻-细菌合动态膜生物反应器 (DMBR) 是先进的废水处理系统.
这些系统旨在改善生物质的保留和减少膜污染.
研究特定的微藻种类对于优化DMBR性能至关重要.

研究的目的:

为了评估Chlorella sp.的影响. (R1) 和 Navicula sp. 这两种植物. (R2) 关于在部分化/亚纳摩克斯DMBR中去除的效率.
分析与每个微藻类物种相关的膜污染特征.
为了确定最佳的藻类物种,以提高去除和DMBR性能.

主要方法:

使用Chlorella sp.建立了一个微藻-细菌部分化/anammox DMBR系统. (R1) 和 Navicula sp. 这两种植物. (R2) 这样做是对不起的.
在流入70 mg/L和100 mg/L的NH4+-N度下测试的性能.
监测总去除效率,跨膜压力和微生物群体组成 (包括Nitrospira).

主要成果:

在70 mg/L的NH4+-N时,R1 (Chlorella sp.) 实现了81.5%的总去除,高于R2 (Navicula sp.) 在66.9%的66.9%.
克洛雷拉 sp. 克洛雷拉 sp. 形成了一个更松散的膜层,有助于废水质量和anammox活动,但显示出更快的污染 (11.33 kPa/d).
螺旋体 sp. 螺旋体 sp. 在形成了一个更密集的膜,由于其尺寸和细胞外聚合物组成,减轻了污染,但显示了较低的去除.
在100 mg/L的NH4+-N下,与R1 (1.02%) 相比,Nitrospira的丰度在R2 (5.28%) 显著增加,可能会增强去除.

结论:

克洛雷拉 sp. 克洛雷拉 sp. 在DMBR中更有效地提高了去除效率,而Navicula sp.则更有效. 提供更好的膜防腐性能.
藻类物种的选择对DMBR系统中气去除和膜性能都有重大影响.
对藻类细胞外聚合物和微生物相互作用的进一步研究可以优化用于废水处理的DMBR设计.

关键词:

亚纳姆莫克斯 (Anammox) 是一个动态膜生物反应器是一个动态膜生物反应器.微藻类是一种微藻类.部分化部分化

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