Skip to main content

Advanced BioWin Modeling for MBR Process Design Optimization: A Case Study of a Split Conventional/MBR Design

Buy Article:

$17.50 plus tax (Refund Policy)

Or sign up for a free trial



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). Process simulation models can be used to effectively evaluate the impacts of different air scour routines on membrane tank DO, different operating mixed liquors and recycle flows, and to evaluate different recycle configurations and influent feed points to optimize the design. Utilization of a properly developed and calibrated process model, such as BioWin, using site specific wastewater characterization is highly recommended for the biological process design of MBRs, especially when considering stringent effluent permit limits.

Document Type: Research Article


Publication date: 2008-01-01

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more