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Reversible promotional effect of SiO2 modification to Co/Al2O3 catalyst for Fischer–Tropsch synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
42351 45921 2010 6 PDF Available
Title
Reversible promotional effect of SiO2 modification to Co/Al2O3 catalyst for Fischer–Tropsch synthesis
Abstract

The addition of a small amount of SiO2- to Al2O3-supported cobalt catalyst significantly increased the reduction degree of the supported cobalt oxides and the metallic cobalt surface area, as a result of remarkable enhancement of the Fischer–Tropsch synthesis (FTS) activity in the slurry-phase reaction. Properties of various catalysts were characterized by in situ DRIFT, XRD, TPR, N2 physisorption and H2 chemisorption. Furthermore, properties and reaction performances of the present catalyst system were compared with those of Al2O3-promoted Co/SiO2 catalyst.

Graphical abstractThe addition of a small amount of SiO2- to Al2O3-supported cobalt catalyst significantly increased the reduction degree of the supported cobalt oxides and the metallic cobalt surface area, as a result of remarkable enhancement of the Fischer–Tropsch synthesis (FTS) activity in the slurry-phase reaction, attributing to the improved bridge-type CO adsorption on metallic cobalt surface.Figure optionsDownload full-size imageDownload high-quality image (99 K)Download as PowerPoint slide

Keywords
Fischer–Tropsch synthesis; Reversible promotional effect; SiO2; Co/Al2O3 catalyst
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Reversible promotional effect of SiO2 modification to Co/Al2O3 catalyst for Fischer–Tropsch synthesis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 377, Issues 1–2, 1 April 2010, Pages 134–139
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