n-Butane Isomerization over Silica-Supported Heteropolyacids: Study of Some Parameters | Zendy

Éva Grinenval | Zendy; Anthony Garron | Zendy; F. Lefèbvre | Zendy

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n-Butane Isomerization over Silica-Supported Heteropolyacids: Study of Some Parameters

Author(s) -

Éva Grinenval,

Anthony Garron,

F. Lefèbvre

Publication year - 2013

Publication title -

journal of catalysts

Language(s) - English

Resource type - Journals

eISSN - 2314-5102

pISSN - 2314-5110

DOI - 10.1155/2013/828962

Subject(s) - butane , isomerization , isobutane , chemistry , catalysis , algorithm , mathematics , organic chemistry

Isomerization of n-butane was studied on silica-supported heteropolyacids. The activity depends strongly on the solvent used for the preparation and on the polyoxometalate loading. This behavior was explained by different proportions of isolated and bulk heteropolyacids. Silicotungstic acid is inherently more selective than phosphotungstic acid. In presence of platinum and hydrogen the catalysts are stable and highly selective (more than 97%) to isobutane. A study as a function of temperature shows that there is an optimal temperature for performing the reaction

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