d-Lactose oxidation over gold catalysts

Various supported gold catalysts were utilized in aerobic lactose oxidation. Comparison between these catalysts revealed, that gold catalysts are sensitive to the type of support. Kinetic regularities, e.g. dependence on pH, temperature and oxygen feed rate were established. Gold catalysts were sele...

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Bibliographic Details
Published in:Catalysis today 2008-02, Vol.131 (1), p.385-392
Main Authors: Murzina, Elena V., Tokarev, Anton V., Kordás, Krisztián, Karhu, Hannu, Mikkola, Jyri-Pekka, Murzin, Dmitry Yu
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Electrochemical potential
Exact sciences and technology
General and physical chemistry
Gold catalysts
Kinetic regularities
Lactose oxidation
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:Various supported gold catalysts were utilized in aerobic lactose oxidation. Comparison between these catalysts revealed, that gold catalysts are sensitive to the type of support. Kinetic regularities, e.g. dependence on pH, temperature and oxygen feed rate were established. Gold catalysts were selective for the production of the first reaction product, sodium salt of lactobionic acid. The electrochemical catalyst potential response was measured “ in situ” and then utilized in the reaction process characterization.
ISSN:0920-5861
1873-4308
DOI:10.1016/j.cattod.2007.10.080