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The performance of HMCM-22 zeolite catalyst on the olefin alkylation thiophenic sulfur in gasoline

Paper ID Volume ID Publish Year Pages File Format Full-Text
52372 46872 2008 5 PDF Available
Title
The performance of HMCM-22 zeolite catalyst on the olefin alkylation thiophenic sulfur in gasoline
Abstract

The catalytic performance of the HMCM-22 zeolites with different Si/Al2 ratios for the olefin alkylation thiophenic sulfur (OATS) process was investigated. With the Si/Al2 ratio decreasing, the catalytic activity of the HMCM-22 zeolite was increased clearly due to the acidity increment. Further, the thiophene alkylation activity was increased much faster than the xylene alkylation and the hexene oligomerization for the reactivity difference of thiophene, xylene and hexene. When the Si/Al2 ratio decreased from 473 to 98, the thiophene alkylation activity first reached its quasi-plateau value and its selectivity got a maximum, while after that the increased acid sites would more transfer to the hexene oligomerization and the xylene alkylation, thus improved their activity and decreased the selectivity of thiophene alkylation.

Keywords
Desulfurization; Alkylation; HMCM-22; Gasoline
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The performance of HMCM-22 zeolite catalyst on the olefin alkylation thiophenic sulfur in gasoline
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 1, January 2008, Pages 60–64
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
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