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Capillary microreactors wall-coated with mesoporous titania thin film catalyst supports
Evgeny V Rebrov1, Angel Berenguer-Murcia, Helen E Skelton
1Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
Lab on a Chip
|February 5, 2009
Summary
A novel catalyst deposition method offers precise control over microreactor coatings for hydrogenation reactions. This technique ensures high activity, selectivity, and exceptional long-term stability over 1000 hours.
Area of Science:
- Chemical Engineering
- Materials Science
- Catalysis
Background:
- Microreactors offer advantages in process intensification.
- Controlling catalyst properties within microreactors is crucial for performance.
- Existing methods lack precise control over catalyst deposition.
Purpose of the Study:
- To develop a new method for catalyst deposition on capillary microreactor walls.
- To achieve exact control over coating thickness, pore size, metal particle size, and metal loading.
- To evaluate the performance and stability of wall-coated microreactors in selective hydrogenation.
Main Methods:
- Developed a novel catalyst deposition technique for inner microreactor walls.
- Characterized catalyst properties including coating thickness, pore size, and metal loading.
- Tested microreactors in a selective hydrogenation reaction and monitored performance over time.
Main Results:
- Achieved precise control over catalyst deposition parameters.
- Demonstrated high activity and selectivity in selective hydrogenation, comparable to homogeneous catalysts.
- Exhibited stable catalyst performance for 1000 hours of continuous operation.
Conclusions:
- The new deposition method enables superior control over catalyst properties in microreactors.
- Wall-coated microreactors show promising performance for selective hydrogenation.
- The developed catalysts exhibit excellent long-term stability, suitable for industrial applications.
