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Synthesis of camphene from α-pinene using SO32− functionalized MCM-41 as catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
43191 45958 2008 6 PDF Available
Title
Synthesis of camphene from α-pinene using SO32− functionalized MCM-41 as catalyst
Abstract

MCM-41 and Aerosil-200 functionalized with different quantity of SO3− groups were used as catalysts for the heterogeneous synthesis of camphene from α-pinene. The characterization of the catalysts was made by thermodesorption of NH3 and physisorption of nitrogen. Three types of acid sites were found on the functionalized MCM-41, whereas on Aerosil-200 mainly strong acid sites were found. The conversion of α-pinene increased with the quantity of medium strength acid sites. The highest conversion was 100% with yield to camphene of 39.3% for catalyst with the higher content of SO3−. The highest yield to camphene was 42.2% with a conversion of 95% and was reached for moderate acid treatment of catalyst. The Aerosil-200 based catalyst did not show conversion of α-pinene. Other terpenes as limonene, terpinolene and δ-terpinene were obtained as by products.

Graphical abstractMCM-41 and Aerosil-200 functionalized with different quantity of SO3− groups were used as catalysts for the synthesis of camphene from α-pinene. Three types of acid sites were found on the functionalized MCM-41, whereas on Aerosil-200 mainly strong acid sites were formed. Conversion of α-pinene increased with the quantity of medium strength acid sites. Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
MCM-41; Sulfonic acid; Pinene; Camphene
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Synthesis of camphene from α-pinene using SO32− functionalized MCM-41 as catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 334, Issues 1–2, 1 January 2008, Pages 59–64
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us