Continuous-Flow Hydrogenation Using Segmented Flow
Author Information
Author(s): Bakker Jasper J W, Zieverink Martijn M P, Reintjens Raf W E G, Kapteijn Freek Prof. Dr., Moulijn Jacob A Prof. Dr., Kreutzer Michiel T Prof. Dr.
Primary Institution: Delft University of Technology
Hypothesis
Can segmented flow improve the efficiency of multiphase heterogeneous catalysis in continuous-flow microreactors?
Conclusion
Segmented flow enhances the yield and monitoring of reactions in continuous-flow hydrogenation processes.
Supporting Evidence
- Segmented flow allows for visual monitoring of reactions, enhancing control over the process.
- The study achieved a yield of 78±2% for a specific hydrogenation reaction using segmented flow.
- Using segmented flow minimizes axial dispersion, which is known to reduce yields in continuous-flow reactors.
- Rapid optimization of reaction conditions was demonstrated through visual measurement of conversion rates.
Takeaway
This study shows that using segmented flow in chemical reactions helps make them faster and easier to control, leading to better results.
Methodology
The study utilized commercially available fused-silica capillaries coated with a high surface area γ-Al2O3 and tested the hydrogenation of cyclohexene.
Limitations
The study primarily focuses on specific reactions and may not generalize to all types of heterogeneous catalysis.
Digital Object Identifier (DOI)
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