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Effect of Pt addition to Ru–Sn/Al2O3 catalyst on hydrogenation of methyl laurate

Paper ID Volume ID Publish Year Pages File Format Full-Text
41718 45897 2011 3 PDF Available
Title
Effect of Pt addition to Ru–Sn/Al2O3 catalyst on hydrogenation of methyl laurate
Abstract

Hydrogenation of methyl laurate was studied using the binary Ru–Sn and the ternary Ru–Sn–Pt catalysts, both supported on Al2O3. The catalysts were suspended in neat methyl ester, and the reaction was carried out at 300 °C and 9.15 MPa (Gauge pressure) of H2 in an autoclave. The catalysts were prepared by the conventional co-impregnation method and characterized by XRD and nitrogen adsorption–desorption isotherm. Elution of metals during the reaction was measured by ICP. Under the adopted reduction conditions of the catalyst precursor, not all the Sn species were reduced to Sn metal; our study revealed that a part of SnO2 dissolved during the reaction. The addition of Pt to Ru–Sn/γ-Al2O3 promoted reduction of the Sn species, prevented the elution of Sn and gave a higher catalytic performance.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (179 K)Download as PowerPoint slideHighlights► Hydrogenation of methyl laurate was studied on Ru–Sn/Al2O3 and Ru–Sn–Pt/Al2O3. ► Without Pt, elution of Sn species during the reaction was observed. ► Addition of Pt promoted reduction of Sn species and reduced elution of Sn species. ► Pt addition resulted in the better stability of the catalyst.

Keywords
Hydrogenation; Ruthenium; Tin; Platinum; Methyl laurate; Elution
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Effect of Pt addition to Ru–Sn/Al2O3 catalyst on hydrogenation of methyl laurate
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 397, Issues 1–2, 30 April 2011, Pages 171–173
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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