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Highly efficient β-SiC-supported 0.5% Rh-based catalyst for CO hydrogenation to C2 oxygenates

Paper ID Volume ID Publish Year Pages File Format Full-Text
49238 46726 2016 4 PDF Available
Title
Highly efficient β-SiC-supported 0.5% Rh-based catalyst for CO hydrogenation to C2 oxygenates
Abstract

•First example of SiC supported Rh-Mn-Li catalyst for CO hydrogenation.•Only 0.5 wt% of Rh was adopted.•This catalyst exhibited the highest Rh efficiency ever reported.•Acid-etching or calcination of SiC was crucial for increasing catalyst activity.

β-SiC was used as a support for a 0.5% Rh-based catalyst for CO hydrogenation to C2 oxygenates for the first time. The β-SiC was acid etched and/or calcined at high temperature before use. The results show that the pretreatments had little effect on the textural and crystal properties of SiC, but calcination markedly increased the number of surface oxygen-containing groups. The pretreatment significantly increased the catalytic activities of SiC-supported RhMnLi/SiC catalysts in CO hydrogenation. An Rh efficiency of 97.2 g/g-Rh/h was achieved, the highest value reported in the literature to date. Possible reasons for this enhancement are suggested.

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Keywords
β-SiC; Rh-based catalyst; CO hydrogenation; C2 oxygenates; Low Rh loading
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Highly efficient β-SiC-supported 0.5% Rh-based catalyst for CO hydrogenation to C2 oxygenates
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 85, 5 October 2016, Pages 44–47
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
Full-text PDF Download
Online Support
Any Questions? feel free to contact us