Saving scale-up cost and effort and designing more effectively Novel MBR concept

Finding optimal operational settings and reactor geometry

Maezawa Industries, Inc (Japan) is collaborating with us to 1) limit scale-up time, costs and effort and 2) shorten time to market. The reactor is operated with variable volumes and flow patterns and flow rates are very difficult to optimise based on trial and error. We will combine multiphase CFD with kinetics to have the 'real system' on our computer for fast design and experimentation.

Major findings (project ongoing)

  • Such model-aided scale-up cases give technology developers competitive advantage
  • This project was set up to lower time to market and to improve the technology


Maezawa Industries, Inc and Hokkaido University

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Improving mixing in large WWTP

CFD Activated Sludge WWTP

Improving aeration in a WWTP

CFD Activated Sludge WWTP

World's most validated WWTP CFD model

Full-scale WWTP CFD validation

Secondary settler optimisation

Secondary Settler CFD-PBM

Scale-up of a novel ozonation system

CFD Scale-up ozonation

Quantifying N2O emission in WWTP

CFD N2O WWTP Activated sludge

Ion exchange optimisation

Ion Exchange CFD Optimisation

Design of a crystalliser

Crystalliser design CFD struvite

Improving mixing in a water reservoir

Drinking Water Reservoir Flow Pattern

Improving mixing in a water tower

Water tower Flow Pattern