Photooxygenations in a bubble column reactor

A novel column reactor was constructed and successfully applied to dye-sensitized photooxygenation reactions in aqueous alcohol solutions. The air flow pattern within the narrow glass column could be controlled viathe size of the air inlet capillary. Using a 500 mu m capillary, a slug flow pattern w...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2012-01, Vol.14 (4), p.888-892
Main Authors: YAVORSKYY, Alexander, SHVYDKIV, Oksana, LIMBURG, Carolin, NOLAN, Kieran, DELAURE, Yan M. C, OELGEMÖLLER, Michael
Format: Article
Language:English
Subjects:
Air flow
Applied sciences
Chemical engineering
Chemistry
Condensed benzenic and aromatic compounds
Exact sciences and technology
General and physical chemistry
Organic chemistry
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
Preparations and properties
Reactors
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Summary:A novel column reactor was constructed and successfully applied to dye-sensitized photooxygenation reactions in aqueous alcohol solutions. The air flow pattern within the narrow glass column could be controlled viathe size of the air inlet capillary. Using a 500 mu m capillary, a slug flow pattern was realized which allowed for superior mass transfer and light transparency within a thin solvent layer. These features subsequently gave higher conversion rates and isolated yields.
ISSN:1463-9262
1463-9270
DOI:10.1039/c2gc16439f