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Mesoporous silico-aluminophosphates derived from microporous precursors as promising catalyst for hydroisomerization

Paper ID Volume ID Publish Year Pages File Format Full-Text
54054 46994 2015 8 PDF Available
Title
Mesoporous silico-aluminophosphates derived from microporous precursors as promising catalyst for hydroisomerization
Abstract

•A series of MESO-SAPO-37 were synthesized using microporous SAPO-37 precursors.•MESO-SAPO-37 possessed strong Brönsted and Lewis acidtic sites.•MESO-SAPO-37 showed highest conversion and good selectivity to branched isomers.

A series of mesoporous silicoaluminophosphates (MESO-SAPOs) with different silica contents were synthesized using the microporous precursors of SAPO-37 (MESO-SAPO-37). Various analytical and spectroscopic techniques revealed the presence of mesoporous and microporous properties of the materials. The resulting materials were applied to vapor-phase hydroisomerization of 1-octene to afford the corresponding branched alkenes in good yields under ambient conditions. The catalytic activity of MESO-SAPO-37 was compared to those of other mesoporous analogs obtained from SAPO-34 and SAPO-5 precursors. Among all the synthesized materials, MESO-SAPO-37 showed the best catalytic activity owing to the presence of faujasite units.

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Keywords
Hydroisomerization; 1-Octene; SAPO-37; SAPO-34; SAPO-5; Mesoporous silicoaluminophosphates; Faujasite; Secondary building units
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Mesoporous silico-aluminophosphates derived from microporous precursors as promising catalyst for hydroisomerization
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 245, 1 May 2015, Pages 155–162
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
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Price after discount Only $4.95
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Online Support
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