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Study of Ir/WO3/Al2O3 ring opening catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
41816 45901 2010 8 PDF Available
Title
Study of Ir/WO3/Al2O3 ring opening catalysts
Abstract

The present paper investigates the development of Ir-based catalysts supported on tungstated aluminas for the ring opening reaction of naphthenic molecules using methylcyclohexane (MCH) as a model compound. A series of tungstated aluminas WOx/Al2O3 containing up to 6.0 at.W/nm2 was prepared. Ir-based catalysts containing 1.2 wt% were obtained by impregnation of these solids. The performance of Ir/WO3/Al2O3 catalysts for methyl cyclohexane ring opening was found to be similar to that observed over the corresponding zirconia-based system indicating that the metal–acid balance (and not the nature of the support) is the key parameter for optimum performance.

Graphical abstract.Figure optionsDownload full-size imageDownload high-quality image (76 K)Download as PowerPoint slideResearch highlights▶ Ir/WO3/Al2O3 catalysts and Ir/WO3/ZrO2 catalysts exhibit similar performance for methylcyclohexane ring opening reaction. ▶ Metal–acid balance (and not the nature of the support) is the key parameter for optimum performance.

Keywords
Tungstated alumina; Iridium; Methylcyclohexane conversion; Selective ring opening
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 388, Issues 1–2, 20 November 2010, Pages 37–44
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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