常规膜生物反应器与分区膜生物反应器处理工业废水的工艺分析与优化比较研究

iranica journal of energy and environment Pub Date : 2014-04-01 DOI:10.5829/IDOSI.IJEE.2014.05.02.01

G. Ghalekhani, A. Zinatizadeh

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引用次数: 3

摘要

膜生物反应器(MBR)技术是一种生物与膜工艺相结合的污水处理系统。MBR能有效地去除任何类型废水中的有机物和悬浮固体。本研究旨在评估和比较常规和分区实验室规模MBR处理工业废水的性能(伊朗Kermanshah Faraman工业园区)。MBR系统在两种工况下运行;一个处于完全搅拌状态(传统活性污泥(AS)系统)，另一个处于半塞流状态(分区活性污泥(CAS)系统)。采用响应面法(RSM)进行试验设计，评估水力停留时间(HRT)和混合液挥发性悬浮物(MLVSS)两个独立的数值因子对9个响应的影响。从整体结果来看，CAS-MBR优于AS-MBR。在HRT 24 h、MLVSS浓度为10000 mg.L时，CAS-MBR的TCOD去除率达到94.9%。与AS-MBR相比，CAS-MBR 1

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Process analysis and optimization of industrial estate wastewater treatment using conventional and compartmentalized membrane bioreactor: A comparative study

Membrane bioreactor (MBR) technology isan integrated combined system ofbiological and membrane processes to treat wastewater. MBR competently removes organic mattersand suspended solids from any type of wastewater. This study is aimed to evaluate and compare the performance of conventional and compartmentalized lab-scale MBR in treating an industrial estate wastewater (Faraman Industrial Estate, Kermanshah, Iran). The MBR systems were operated in two conditions; one in a completely stirred regime(conventional activated sludge (AS) system) and the other one in a semi plug flow regime(compartmentalized activated sludge (CAS) system). Experimental design was performed by response surface methodology (RSM) to assess the effect of two independent numerical factors i.e. hydraulic retention time (HRT) and mixed liquor volatile suspended solids (MLVSS) on nine responses.From the overall results, it was found that CAS-MBR performed better than AS-MBR.The CAS-MBR achieved 94.9% of TCOD removal efficiency at 24 h of HRT and MLVSS concentration of 10000 mg.L. Compared to AS-MBR, CAS-MBR 1

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iranica journal of energy and environment

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