Optimization of MBR hydrodynamics for cake layer fouling control through CFD simulation and RSM design

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• 作者：Min Yang^a ; ^b ; Dawei Yu^a ; ^b ; Mengmeng Liu^a ; ^b ; Libing Zheng^a ; ^b ; Xiang Zheng^c ; Yuansong Wei^a ; ^b ; ; Fang Wang^d ; Yaobo Fan^a ; ^b ; ^{ybfan@rcees.ac.cn}
• 关键词：CFD ; MBR ; Hydrodynamics ; Fouling ; Cake layer
• 刊名：Bioresource Technology
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：227
• 期：Complete
• 页码：102-111
• 全文大小：2206 K
• 卷排序：227

文摘

CFD model and RSM design was developed for mitigation of cake layer fouling in MBR. Sludge concentration was the most decisive for shear stress and particle deposition. MLSS of 8820 mg L−1 was optimal for the reduction of reversible membrane fouling. Bubble diameter was more decisive than air flowrate for membrane shear stress.