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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Evaluating the effect of hydraulic retention time on fouling development and biomass characteristics in an algal membrane photobioreactor treating a wastewater effluent
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Evaluating the effect of hydraulic retention time on fouling development and biomass characteristics in an algal membrane photobioreactor treating a wastewater effluent

机译：评价液压保留时间对藻类膜光生物反应器结垢发育和生物质特性的影响处理废水流出物

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摘要

Coupling algal biomass growth to wastewater treatment is a promising alternative for the simultaneous removal and recovery of nutrients. This study aims to evaluate the effects of the Hydraulic Retention Time (HRT) on the fouling behavior and biomass characteristics of C. Vulgaris in a Membrane Photobioreactor (MPBR), fed with a secondary synthetic wastewater effluent. The changes in the algal cell characteristics and in their metabolic products were assessed at three different HRTs (12 h, 24 h and 36 h). Experimental results showed that higher loading rates led to a broader Particle Size Distribution (PSD) resulting from looser and less stable algal flocs. In contrast, bigger and homogeneously distributed particles observed at lower loading rates, led to a porous layer with lower fouling rates and organic removal. The presence of smaller particles and dissolved organics resulted in a more compact and less porous layer that increased the removal of small-MW organics.
机译：抗藻类生物量增长至废水处理是一种有前途的替代方案，可同时去除和营养营养。 本研究旨在评估液压保留时间（HRT）对膜光生物反应器（MPBR）中C.寻常的污垢行为和生物质特性的影响。 在三种不同的HRT（12小时，24小时和36小时）中评估藻类细胞特征和代谢产物中的变化。 实验结果表明，较高的装载速率导致了由松动器和更不稳定的藻类絮凝物产生的更广泛的粒度分布（PSD）。 相反，以较低的加载速率观察到更大和均匀分布的颗粒，导致具有较低污垢速率和有机去除的多孔层。 较小的颗粒和溶解的有机物的存在导致更紧凑且较少的多孔层，增加了小MW有机物的去除。

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