Research advances on membrane bioreactor simulation using ASM–CFD coupled approach |
Authors: Yang Min, Xu Rongle, Yuan Xing, Luo Nan,YuDawei, Wei Yuansong, Fan Yaobo* |
Units: Research Center for Eco–Environmental Sciences, Beijing, 100085 |
KeyWords: computational fluid dynamics (CFD);membrane bioreactor (MBR);membrane fouling;activated sludge model (ASM);soluble microbial product (SMP) |
ClassificationCode::X703 |
year,volume(issue):pagination: 2015,35(6):126-133 |
Abstract: |
Membrane bioreactor (MBR) effluent quality and operation energy consumption are affected by hydraulic condition combined with biochemical reactions. Studyingthe biochemical reaction process while taking the hydraulic effect into account is of great significance in operating a MBR steadily and energy–efficiently.Activated sludge model (ASM) and computational fluid dynamics (CFD) modeling applied in MBR process have been reviewed in terms of biological– hydraulic field simulation.The reviewed results showed that ASM–CFD integrated modeling were capable to simulate the MBR biological– hydraulic fieldwith short sludge residence time(SRT), and gave accurate and abundant information of flow field and sewage species concentration distribution. ASM–CFD integrated modeling was thus believed to be a powerful tool for MBR research, design and application. However, there were few publications on MBR modeling based on ASM–CFD,further detailed research needs to be developed. |
Funds: |
国家自然科学基金项目(51278483);国家水体污染控制与治理科技重大专项 (2012ZX07203-002) |
AuthorIntro: |
杨敏(1988~), 男, 湖南益阳人, 博士研究生, 主要研究方向是膜分离技术的数值模拟与优化. |
Reference: |
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