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Gold catalysts screening in base-free aerobic oxidation of glucose to gluconic acid

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2017 Spain English Publisher:Elsevier BVJournal:Catalysis Today, volume 279, pages 148-154 (issn: 0920-5861, Copyright policy )
Authors: C. Megías-Sayago; S. Ivanova; C. López-Cartes; M.A. Centeno; J.A. Odriozola;

doi: 10.1016/j.cattod.2016.06.046

handle: 10261/156173 , 11441/153397

Gold catalysts screening in base-free aerobic oxidation of glucose to gluconic acid

Abstract

Base-free aerobic oxidation of glucose in presence of Au/AlO, Au/CeO, Au/CeO(20 wt%)/AlO, Au/CeO(25 wt%)/ZrO and Au/CeO(50 wt%)/ZrO catalysts using molecular oxygen at atmospheric pressure is studied. Within the whole series high conversion and selectivity to gluconic acid are observed after 18 h of reaction at 120 °C. The activity and especially the selectivity changes are related to the support nature in a way that the higher the Lewis acidity of the support the lower the selectivity to gluconic acid and the higher the production of lactic acid. The highest yield to gluconic acid is obtained over Au/AlO for which the influence of the reaction time, temperature and stirring rate are further evaluated and discussed.

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Spain
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Keywords

Gold catalysts, Screening, Gluconic acid, Glucose oxidation, Base free oxidation

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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