In situ UV-visible assessment of extent of reduction during oxidation reactions on oxide catalysts

被引：24

作者：

Argyle, MD

Chen, KD

Resini, C

Krebs, C

Bell, AT ^{[1
]}

Iglesia, E

机构：

[1] Univ Calif Berkeley, Dept Chem Engn, Lawrence Berkeley Natl Lab, Div Chem, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Dept Chem Engn, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA

来源：

CHEMICAL COMMUNICATIONS | 2003年 / 16期

关键词：

D O I：

10.1039/b305264h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The extent of reduction of active centers during oxidative alkane dehydrogenation on VOx/Al2O3 was measured from pre-edge UV-visible spectral features and found to increase with increasing VOx domain size and propane/O-2 ratio.

引用

页码：2082 / 2083

页数：2

共 22 条

[1] Effect of catalyst structure on oxidative dehydrogenation of ethane and propane on alumina-supported vanadia
Argyle, MD
Chen, KD
Bell, AT
Iglesia, E
[J]. JOURNAL OF CATALYSIS, 2002, 208 (01) : 139 - 149
[2] Simultaneous combination of in situ-EPR/UV-VIS/on line GC:: a novel setup for investigating transition metal oxide catalysts under working conditions
Brückner, A
[J]. CHEMICAL COMMUNICATIONS, 2001, (20) : 2122 - 2123
[3] Kinetics and mechanism of oxidative dehydrogenation of propane on vanadium, molybdenum, and tungsten oxides
Chen, KD
Bell, AT
Iglesia, E
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (06): : 1292 - 1299
[4] The relationship between the electronic and redox properties of dispersed metal oxides and their turnover rates in oxidative dehydrogenation reactions
Chen, KD
Bell, AT
Iglesia, E
[J]. JOURNAL OF CATALYSIS, 2002, 209 (01) : 35 - 42
[5] Isotopic tracer and kinetic studies of oxidative dehydrogenation pathways on vanadium oxide catalysts
Chen, KD
Khodakov, A
Yang, J
Bell, AT
Iglesia, E
[J]. JOURNAL OF CATALYSIS, 1999, 186 (02) : 325 - 333
[6] The kinetic significance of V5+ in n-butane oxidation catalyzed by vanadium phosphates
Coulston, GW
Bare, SR
Kung, H
Birkeland, K
Bethke, GK
Harlow, R
Herron, N
Lee, PL
[J]. SCIENCE, 1997, 275 (5297) : 191 - 193
[7] OXIDATIVE DEHYDROGENATION OF PROPANE ON GAMMA-AL2O3 SUPPORTED VANADIUM-OXIDES
EON, JG
OLIER, R
VOLTA, JC
[J]. JOURNAL OF CATALYSIS, 1994, 145 (02) : 318 - 326
[8] In situ spectroscopic investigation of molecular structures of highly dispersed vanadium oxide on silica under various conditions
Gao, XT
Bare, SR
Weckhuysen, BM
Wachs, IE
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 1998, 102 (52): : 10842 - 10852
[9] Structural characteristics and reactivity/reducibility properties of dispersed and bilayered V2O5/TiO2/SiO2 catalysts
Gao, XT
Bare, SR
Fierro, JLG
Wachs, IE
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 1999, 103 (04) : 618 - 629
[10] In situ UV-vis-NIR diffuse reflectance and Raman spectroscopic studies of propane oxidation over ZrO2-supported vanadium oxide catalysts
Gao, XT
Jehng, JM
Wachs, IE
[J]. JOURNAL OF CATALYSIS, 2002, 209 (01) : 43 - 50

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