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Synthesis, characterization and catalytic properties of the cobalt and nickel supported on HZSM-12 zeolite

Paper ID Volume ID Publish Year Pages File Format Full-Text
53171 46917 2006 6 PDF Available
Title
Synthesis, characterization and catalytic properties of the cobalt and nickel supported on HZSM-12 zeolite
Abstract

Bifunctional catalysts consisting of cobalt and nickel supported on HZSM-12 zeolite were prepared and characterized using chemical analysis, XRD, FTIR, SSA and TPR experiments. Thermodesorption of n-butylamine was used to determine the acid sites densities. The results obtained by XRD and FTIR showed that the impregnation method used did not change the structure of HZSM-12 zeolite. For the other hand, SSA results indicated that the impregnation method used decreased the micropore surface area. Metal reduction started at approximately 379 °C for Co∗/HZSM-12 and 469 °C for Ni∗/HZSM-12 catalysts. The n-butylamine thermodesorption indicated the presence of weak, medium and strong acid sites. Bifunctional catalysts were active in n-hexane isomerization with a medium selectivity to branched hydrocarbons.

Keywords
HZSM-12 zeolite; Cobalt; Nickel; n-Hexane isomerization
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Synthesis, characterization and catalytic properties of the cobalt and nickel supported on HZSM-12 zeolite
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 10, October 2006, Pages 791–796
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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