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Guaiacol hydrodeoxygenation on MoS2 catalysts: Influence of activated carbon supports

Paper ID Volume ID Publish Year Pages File Format Full-Text
49966 46775 2012 5 PDF Available
Title
Guaiacol hydrodeoxygenation on MoS2 catalysts: Influence of activated carbon supports
Abstract

The hydrodeoxygenation of 2-methoxyphenol (guaiacol) has been studied over a MoS2 catalyst supported on two activated carbons with marked differences in porosity and oxygen surface functionality. The catalysts were prepared by rotary evaporator impregnation and characterized by BET surface area and XPS, while the supports were characterized by TPD, PZC, FTIR, BET and XPS techniques. The reaction was studied in a batch reactor at 300 °C and 5 MPa. Activity differences on the carbon supports are correlated with the dispersion of MoS2. Greater abundance of surface oxygen (mainly carboxylic, quinonic and lactonic groups) on the support resulted in lower catalyst dispersion and lower HDO activity. The dispersion, textural properties and surface chemistry did not affect the nature of the MoS2 active sites.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Carbon supports have variable porosity and surface functionality. ► Surface oxygen groups decrease the dispersion of MoS2. ► Hydrodeoxygenation activity is correlated to catalyst dispersion.

Keywords
Hydrodeoxygenation; Activated carbon; 2-Methoxyphenol; MoS2
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 27, 5 October 2012, Pages 44–48
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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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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