Waste-to-waste technology can be used for the reduction of heavy metals to their metallic state with carbohydrates. The carbohydrate waste originates from the pulp or food industry. Heavy metals in the form of Cu(II) are found in wastewater from the IC-manufacturers or mine leaches. A CFD approach is used in order to develop the reactor and to determine the right reactor conditions. A uniform size distribution of the particles which are formed in the process increases the economical value of the end product. A Kenics static mixer is used to optimize the flow inside the reactor. The growth of the copper particles is investigated by Monte Carlo simulations inside the static mixer. Fluent v5.5 unstructured was used to calculate the laminar flow field (Reynolds 50–500), Cu(II) concentration and particle tracks. The resulting flow field was validated by a grid independence check and a comparison with PIV experiments. It was found that the hydrodynamics of the mixer have a profound influence on the size distribution and the ‘best’ results were achieved at Reynolds 200.
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ASME 2002 Pressure Vessels and Piping Conference
August 5–9, 2002
Vancouver, BC, Canada
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4659-8
PROCEEDINGS PAPER
CFD Approach of Growing Cu-Particles in a ‘Kenics’ Static Mixer Reactor
W. F. C. van Wageningen,
W. F. C. van Wageningen
Delft University of Technology, Delft, The Netherlands
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R. F. Mudde,
R. F. Mudde
Delft University of Technology, Delft, The Netherlands
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H. E. A. van den Akker
H. E. A. van den Akker
Delft University of Technology, Delft, The Netherlands
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W. F. C. van Wageningen
Delft University of Technology, Delft, The Netherlands
R. F. Mudde
Delft University of Technology, Delft, The Netherlands
H. E. A. van den Akker
Delft University of Technology, Delft, The Netherlands
Paper No:
PVP2002-1573, pp. 47-55; 9 pages
Published Online:
August 14, 2008
Citation
van Wageningen, WFC, Mudde, RF, & van den Akker, HEA. "CFD Approach of Growing Cu-Particles in a ‘Kenics’ Static Mixer Reactor." Proceedings of the ASME 2002 Pressure Vessels and Piping Conference. Computational Technologies for Fluid/Thermal/Structural/Chemical Systems With Industrial Applications, Volume 2. Vancouver, BC, Canada. August 5–9, 2002. pp. 47-55. ASME. https://doi.org/10.1115/PVP2002-1573
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