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The effect of Al2O3-promotion of sulfated zirconia on n-butane isomerization: An isotopic transient kinetic analysis

Paper ID Volume ID Publish Year Pages File Format Full-Text
53046 46898 2006 5 PDF Available
Title
The effect of Al2O3-promotion of sulfated zirconia on n-butane isomerization: An isotopic transient kinetic analysis
Abstract

This paper reports on an investigation using steady-state isotopic transient kinetic analysis (SSITKA) of Al2O3-promotion of sulfated zirconia (SZ) for n-butane isomerization. SZ promoted with Al2O3 showed an approximately 30% increase in n-butane isomerization activity at 250 °C. The average surface residence times of the reaction intermediates on unpromoted and Al2O3-promoted SZ measured by SSITKA suggest that the active sites on both catalysts were identical. There was, however, a significant increase in the concentration of surface intermediates upon Al2O3-promotion, leading to the increased activity. Al2O3-promotion also appeared to improve catalyst site stability resulting in a slower rate of deactivation.

Keywords
Sulfated zirconia; Alumina-promotion; n-Butane isomerization; Steady-state isotopic transient kinetic analysis; SSITKA
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The effect of Al2O3-promotion of sulfated zirconia on n-butane isomerization: An isotopic transient kinetic analysis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 4, April 2006, Pages 209–213
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
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