| ID | 113241 |
| Author |
Kato, Yuki
Mitsubishi Chemical Corporation
Nitta, Shinya
Tokushima University
Shimazu, Sho
Tokushima University
Kurashina, Masashi
Tokushima University
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Katoh, Masahiro
Tokushima University
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Ninomiya, Wataru
Mitsubishi Chemical Corporation
|
| Keywords | Oxidative dehydrogenation
Isobutane
Isobutene
MCM-48
Chromium
|
| Content Type |
Journal Article
|
| Description | The catalytic performance of MCM-48 was greatly improved by the introduction of a small amount of chromium during the oxidative dehydrogenation of isobutane. Various characterization procedures such as XRD, N2 adsorption–desorption isotherms, TEM, NH3-TPD, XPS, and XAFS were used to identify the role that chromium played in the improvement, and XPS and XAFS results provided the most valuable information. Both measurements revealed that the chromium species existed as Cr6+ inside the framework of MCM-48 before oxidative dehydrogenation, but was reduced to Cr3+ during the reaction. The characteristic pore nature of MCM-48 also contributed to an enhancement of the selectivity to isobutene via the suppression of consecutive oxidation reactions.
|
| Journal Title |
Journal of Chemical Engineering of Japan
|
| ISSN | 00219592
|
| NCID | AA00709658
|
| Publisher | The Society of Chemical Engineers, Japan
|
| Volume | 52
|
| Issue | 1
|
| Start Page | 99
|
| End Page | 105
|
| Published Date | 2019-01-20
|
| Rights | Copyright © 2019 The Society of Chemical Engineers, Japan
|
| EDB ID | |
| DOI (Published Version) | |
| URL ( Publisher's Version ) | |
| FullText File | |
| language |
eng
|
| TextVersion |
Author
|
| departments |
Science and Technology
|
