Advanced BioWin Modeling for MBR Process Design Optimization: A Case Study of a Split Conventional/MBR Design
Over the past few years, utilization of advanced activated sludge process simulation models such as BioWin and GPS-X has increased significantly. These process simulation models are powerful tools for evaluation, optimization, and design of BNR/ENR plants. The use of MBRs has also increased significantly. MBRs pose unique process design challenges when considering enhanced biological phosphorus removal and nitrogen removal. The air scour in the membrane tank creates high DO conditions and then this mixed liquor with elevated DO is returned to the bioreactor at 4 to 5 Q which results in challenges to effective biological phosphorus removal and denitrification, while at the same time maintaining high mixed liquor concentrations in the upfront anaerobic and anoxic tanks to maximize the MBR effectiveness (lower volume).
Document Type: Research Article
Publication date: January 1, 2008
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