Dehydrogenation of propane over chromia/alumina: A comparative characterization study of fresh and spent catalysts

Ataur Rahman; Motaheruddin Ahmed

doi:10.1016/S0167-2991(96)80041-3

Dehydrogenation of propane over chromia/alumina: A comparative characterization study of fresh and spent catalysts

Ataur Rahman, Motaheruddin Ahmed

King Fahd University of Petroleum & Minerals

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Chromia/alumina catalyst with 5% chromia loading was prepared and used in propane dehydrogenation reaction. The fresh and spent catalysts were then analyzed by a number of techniques to obtain a variety of relevant data. Distributions of Cr over the alumina support granules were measured by the Particle Induced X-ray Emission technique using a scanning proton microbeam (microbeam-PIXE). Thermogravimetric (TG) analysis together with Differential Thermal Analysis (DTA) were performed to measure transformation characteristics due to calcination. Temperature Programmed Reduction (TPR) was employed for the fresh and spent catalysts as well as bulk CrO₃ to deduce metal-support interaction. X-ray Photoelectron Spectroscopy (XPS) was used to measure the oxidation states of the chromium ions. The data on the fresh and spent catalysts were compared to evaluate the properties of the catalysts.

Original language	English
Pages (from-to)	419-426
Number of pages	8
Journal	Studies in Surface Science and Catalysis
Volume	100
Issue number	C
DOIs	https://doi.org/10.1016/S0167-2991(96)80041-3
State	Published - 1 Jan 1996

ASJC Scopus subject areas

Catalysis
Condensed Matter Physics
Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/S0167-2991(96)80041-3

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title = "Dehydrogenation of propane over chromia/alumina: A comparative characterization study of fresh and spent catalysts",

abstract = "Chromia/alumina catalyst with 5% chromia loading was prepared and used in propane dehydrogenation reaction. The fresh and spent catalysts were then analyzed by a number of techniques to obtain a variety of relevant data. Distributions of Cr over the alumina support granules were measured by the Particle Induced X-ray Emission technique using a scanning proton microbeam (microbeam-PIXE). Thermogravimetric (TG) analysis together with Differential Thermal Analysis (DTA) were performed to measure transformation characteristics due to calcination. Temperature Programmed Reduction (TPR) was employed for the fresh and spent catalysts as well as bulk CrO3 to deduce metal-support interaction. X-ray Photoelectron Spectroscopy (XPS) was used to measure the oxidation states of the chromium ions. The data on the fresh and spent catalysts were compared to evaluate the properties of the catalysts.",

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AB - Chromia/alumina catalyst with 5% chromia loading was prepared and used in propane dehydrogenation reaction. The fresh and spent catalysts were then analyzed by a number of techniques to obtain a variety of relevant data. Distributions of Cr over the alumina support granules were measured by the Particle Induced X-ray Emission technique using a scanning proton microbeam (microbeam-PIXE). Thermogravimetric (TG) analysis together with Differential Thermal Analysis (DTA) were performed to measure transformation characteristics due to calcination. Temperature Programmed Reduction (TPR) was employed for the fresh and spent catalysts as well as bulk CrO3 to deduce metal-support interaction. X-ray Photoelectron Spectroscopy (XPS) was used to measure the oxidation states of the chromium ions. The data on the fresh and spent catalysts were compared to evaluate the properties of the catalysts.

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Dehydrogenation of propane over chromia/alumina: A comparative characterization study of fresh and spent catalysts

Abstract

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