Capillary microreactors wall-coated with mesoporous titania thin film catalyst supports

• Published in: Lab on a chip Vol. 9; no. 4; p. 503
• Main Authors: Rebrov, Evgeny V, Berenguer-Murcia, Angel, Skelton, Helen E, Johnson, Brian F G, Wheatley, Andrew E H, Schouten, Jaap C
• Format: Journal Article
• Language: English
• Published: England 01-01-2009
• Subjects: Adsorption; Catalysis; Hydrogenation; Microchemistry - methods; Microfluidic Analytical Techniques - methods; Nanoparticles - chemistry; Nanoparticles - ultrastructure; Palladium - chemistry; Particle Size; Porosity; Sensitivity and Specificity; Titanium - chemistry
• ISSN: 1473-0197
• DOI: 10.1039/b815716b

A new method for catalyst deposition on the inner walls of capillary microreactors is proposed which allows exact control of the coating thickness, pore size of the support, metal particle size, and metal loading. The wall-coated microreactors have been tested in a selective hydrogenation reaction. Activity and selectivity reach values close to those obtained with a homogeneous Pd catalyst. The catalyst activity was stable for a period of 1000 h time-on-stream.