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Catalytic activity of Pt and Pd catalysts supported on HWP/HMS in the selective hydroisomerization of n-pentane. Effect of reaction temperature

Paper ID Volume ID Publish Year Pages File Format Full-Text
55676 47062 2011 6 PDF Available
Title
Catalytic activity of Pt and Pd catalysts supported on HWP/HMS in the selective hydroisomerization of n-pentane. Effect of reaction temperature
Abstract

Non order structure type HMS was synthesized through a S°I° mechanism. These solids were modified by incorporation of acid (30 wt.% of tungstophosphoric acid) and metallic sites (1% of metal: Pt or Pd), and tested in the hydroisomerization reaction of n-pentane. The catalysts were characterized by X-ray diffraction (XRD), N2 adsorption and desorption, chemisorption of H2, scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). For the catalyst containing Pt, the effect of reaction temperature was investigated in the range of 200–400 °C, the optimal catalytic activity was reached at 350 °C. The Pt catalyst showed higher conversion, iso-pentane yield and catalytic stability than its Pd counterpart.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (178 K)Download as PowerPoint slideHighlights► HMS functionalized with 30 wt.% HPW and 1% of Pt or Pd. ► Catalysts for n-pentane hydroisomerization reaction. ► The optimal reaction temperature was 350 °C. ► The Pt catalyst was more active, selective and catalytically stable than Pd catalysts.

Keywords
Hydroisomerization; n-Pentane; HMS; Pt; Pd; HPW
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Catalytic activity of Pt and Pd catalysts supported on HWP/HMS in the selective hydroisomerization of n-pentane. Effect of reaction temperature
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 172, Issue 1, 25 August 2011, Pages 2–7
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