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Monolithic Ru-based catalyst for selective hydrogenation of benzene to cyclohexene

Paper ID Volume ID Publish Year Pages File Format Full-Text
52078 46864 2008 6 PDF Available
Title
Monolithic Ru-based catalyst for selective hydrogenation of benzene to cyclohexene
Abstract

A novel Ru-based cordierite monolithic catalyst was prepared for the selective hydrogenation of benzene to cyclohexene. The catalyst was characterized by elemental analysis, XRD, SEM-EDX and physisorption measurements. The performance of the catalyst was tested in a continuous monolithic fixed bed reactor (MFBR). Compared with particulate catalyst, the monolithic catalyst gave much higher selectivity. Monolithic catalyst with ZrO2–Al2O3 as washcoating was found to be more active than that with Al2O3 as washcoating and a high cyclohexene yield of about 30% was achieved at a relatively lower LHSV. The egg-shell distribution of the active component, the large pores in the walls of cordierite monolith and the Taylor flow pattern formed in the monolith channels were considered to be the crucial reasons.

Keywords
Ruthenium; Monolithic catalyst; Hydrogenation; Benzene; Cyclohexene; Washcoat
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Monolithic Ru-based catalyst for selective hydrogenation of benzene to cyclohexene
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 3, 1 March 2008, Pages 459–464
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
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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