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Liquid phase selective hydrogenation of phthalic anhydride to phthalide over titania supported gold catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
51207 46835 2009 4 PDF Available
Title
Liquid phase selective hydrogenation of phthalic anhydride to phthalide over titania supported gold catalysts
Abstract

Au/TiO2 catalysts with different gold loadings were prepared by deposition–precipitation method and used for the liquid phase hydrogenation of phthalic anhydride. All the studied Au/TiO2 catalysts exhibited excellent activity with high selectivity (>92%) to phthalide under mild reaction conditions (180 °C and 3.0 MPa H2). Specially, catalysts with 2–3 wt.% gold loading were highly active and selective for the formation of phthalide. When reused, the catalyst showed a certain deactivation, but still was highly selective to phthalide. The deactivation was attributed to the leaching of gold, collapse of the pore structure and accumulation of organic species on the surface.

Keywords
Au/TiO2 catalyst; Phthalic anhydride; Liquid phase hydrogenation; Phthalide; Deactivation
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Liquid phase selective hydrogenation of phthalic anhydride to phthalide over titania supported gold catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 15, 15 September 2009, Pages 2023–2026
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
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