Optimization of MBR hydrodynamics for cake layer fouling control through CFD simulation and RSM design
文献类型：期刊论文
| 作者 | Yang, Min; Yu, Dawei; Liu, Mengmeng; Zheng, Libing ; Zheng, Xiang; Wei, Yuansong; Wang, Fang; Fan, Yaobo
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| 刊名 | BIORESOURCE TECHNOLOGY
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| 出版日期 | 2017-03-01 |
| 卷号 | 227期号:0页码:102-111 |
| 关键词 | Cfd Mbr Hydrodynamics Fouling Cake Layer |
| 英文摘要 | Membrane fouling is an important issue for membrane bioreactor (MBR) operation. This paper aims at the investigation and the controlling of reversible membrane fouling due to cake layer formation and foulants deposition by optimizing MBR hydrodynamics through the combination of computational fluid dynamics (CFD) and design of experiment (DOE). The model was validated by comparing simulations with measurements of liquid velocity and dissolved oxygen (DO) concentration in a lab-scale submerged MBR. The results demonstrated that the sludge concentration is the most influencing for responses including shear stress, particle deposition propensity (PDP), sludge viscosity and strain rate. A medium sludge concentration of 8820 mg L (1) is optimal for the reduction of reversible fouling in this submerged MBR. The bubble diameter is more decisive than air flowrate for membrane shear stress due to its role in sludge viscosity. The optimal bubble diameter was at around 4.8 mm for both of shear stress and PDP. (C) 2016 Elsevier Ltd. All rights reserved. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/39207]  |
| 专题 | 生态环境研究中心_大气污染控制中心 |
| 推荐引用方式 GB/T 7714 | Yang, Min,Yu, Dawei,Liu, Mengmeng,et al. Optimization of MBR hydrodynamics for cake layer fouling control through CFD simulation and RSM design[J]. BIORESOURCE TECHNOLOGY,2017,227(0):102-111. |
| APA | Yang, Min.,Yu, Dawei.,Liu, Mengmeng.,Zheng, Libing.,Zheng, Xiang.,...&Fan, Yaobo.(2017).Optimization of MBR hydrodynamics for cake layer fouling control through CFD simulation and RSM design.BIORESOURCE TECHNOLOGY,227(0),102-111. |
| MLA | Yang, Min,et al."Optimization of MBR hydrodynamics for cake layer fouling control through CFD simulation and RSM design".BIORESOURCE TECHNOLOGY 227.0(2017):102-111. |
入库方式： OAI收割
来源：生态环境研究中心
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