1. CFD Modelling for Process Design and
Optimisation
Dr Graeme Lane

2. Fluid flow with Lightnin A310 impeller
Visualising the trailing vortices (large
eddy simulation)
Flow separation over an impeller blade

3. Swirling flow in crystalliser
for scale suppression

4. Trailing vortex behind blade of a Rushton turbine
Mechanical agitation with
Rushton turbine
Flow velocity vectors in vertical plane

5. Liquid phase flow velocity vectors
Gas dispersion with Lightning A315 impeller
Gas phase volume fraction
Gas sparger

6. Horizontal autoclave for pressure acid leaching
Flow velocity vectors
Turbulent kinetic
energy

7. Mixer box for solvent extraction
Organic inlet
Aqueous inlet
Pump-mixer impeller
Overflow to settler

8. Flow pattern and
distribution of local
droplet size
Mixer box for solvent extraction

9. Symmetry plane
Inlet from mixer
section
Aqueous underflow
Organic overflow
Gravity settler for solvent extraction plant
Picket fences are
installed to control
flow distribution

10. Streamlines for organic phase Streamlines for aqueous phase
Solvent extraction settler – flow patterns

11. 2nd fence1st fence
Solvent extraction settler – multiphase modelling
Inlet To overflow and
underflow outlets
Organic phase volume fraction
Organic phase droplet size

12. Static mixer insert in reactor tube (Kenics mixer)
Tracer particle paths

13. Mixing with Kenics static mixer
Tracer patterns indicate how mixing efficiency is affected by flow velocity in tube

14. Flow past an open butterfly valve
Paths of suspended particles Erosion rate calculated from particle collision frequency