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Physico-chemical properties of deuteriated compounds. 6th Communication. The H/D exchange in mixtures between hydrogen and heptane, methylcyclohexane or cycloheptane over Ni-catalyst

✍ Scribed by GÉRald Dessauges; Tino Gäumann

Publisher: John Wiley and Sons
Year: 1982
Tongue: German
Weight: 375 KB
Volume: 65
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19820650127

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✦ Synopsis

Abstract

The isotopic exchange between hydrogen and saturated hydrocarbons over Nicatalysts has been studied as a function of temperature and degree of deuteriation. The experimental results can be explained by a model containing four parameters. Two different adsorbed species are assumed: in the ‘alkyl’‐species one H‐atom is exchanged in a single adsorption step; the ‘olefin’‐species exchanges at least two H‐atoms at the same time. Both species can undergo multiple exchange per adsorption step.

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