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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Performance of suspended and attached growth MBR systems in treating high strength synthetic wastewater
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Performance of suspended and attached growth MBR systems in treating high strength synthetic wastewater

机译：悬挂式和附着式生长MBR系统在处理高强度合成废水中的性能

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The performance of laboratory-scale attached growth (AG) and suspended growth (SG) membrane bioreactors (MBRs) was evaluated in treating synthetic wastewater simulating high strength domestic wastewater. This study investigated the influence of sponge suspended carriers in AG-MBR system, occupying 15% reactor volume, on the removal of chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP), and compared it to that of SG-MBR. Results showed that the removal efficiencies of COD, TN and TP in AG-MBR were 98%, 89% and 58%, respectively as compared to 98%, 74% and 38%, respectively in SG-MBR. Improved TN removal in AG-MBR systems was primarily based on simultaneous nitrification and denitrification (SND) process. These results infer that the presence of small bio-particles having higher microbial activity and the growth of complex biomass captured within the suspended sponge carriers resulted in improved TN and TP removal in AG-MBR.
机译：在模拟高强度生活废水的合成废水处理中，评估了实验室规模的附着生长（AG）和悬浮生长（SG）膜生物反应器（MBR）的性能。这项研究调查了AG-MBR系统中海绵悬浮载体（占反应器体积的15％）对化学需氧量（COD），总氮（TN）和总磷（TP）去除的影响，并将其与SG-MBR。结果表明，AG-MBR中COD，TN和TP的去除效率分别为98％，89％和58％，而SG-MBR中分别为98％，74％和38％。 AG-MBR系统中改进的TN去除主要基于同时硝化和反硝化（SND）工艺。这些结果推断，具有较高微生物活性的小生物颗粒的存在以及悬浮的海绵载体中捕获的复杂生物质的生长导致AG-MBR中TN和TP去除的改善。

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