Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Structural and Compositional Changes of Blue Orthorhombic Hydrogen Molybdenum Bronze, H0.30MoO3, by Vacuum Heating and Catalytic Activity for 1-Butene Isomerization
Noriyuki SotaniNoritetsu YoshidaYukio YoshiokaShozo Kishimoto
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1985 Volume 58 Issue 6 Pages 1626-1630

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Abstract

Orthorhombic bronze, H0.30MoO3, was decomposed by vacuum heating to MoO2.86 With a rhombic MoO3 structure. The surface area increased slightly with the increase in the rhombic structure in which vacancies were produced. An approximate linear relationship was found between the catalytic activity of 1-butene isomerization and the hydrogen content(x) in the samples which were treated in air at 65 °C or in vacuo below 220 °C. On the other hand, the activity above 220 °C increased with the formation of vacancies.

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