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Preparation of MoO3/MgO catalysts with eggshell and uniform Mo distribution by methanol assisted spreading: Effect of MoO3 dispersion on rate of spreading

Paper ID Volume ID Publish Year Pages File Format Full-Text
53034 46897 2006 5 PDF Available
Title
Preparation of MoO3/MgO catalysts with eggshell and uniform Mo distribution by methanol assisted spreading: Effect of MoO3 dispersion on rate of spreading
Abstract

MoO3/MgO catalysts were prepared by the reaction of MgO extrudates (diameter 1.6 mm, SBET = 311 m2 g−1) with the MoO3/methanol slurry at room temperature. Sharp and deep eggshell Mo concentration profiles were formed. With sufficient MoO3 amount, the shell thickness increased with time until support saturation. Planetary mill ground MoO3 reacted much faster than MoO3 ground in an agate mortar mill. Uniform saturated loading of 19% MoO3 was achieved after 5 days in the former case while 11 days was not sufficient for support saturation in the latter case. HDS activity of saturated MoO3/MgO catalyst was the same as of commercial MoO3/Al2O3.

Keywords
Solvent assisted spreading; Magnesium oxide; Molybdenum catalyst; Eggshell catalysts; Hydrodesulfurization
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Preparation of MoO3/MgO catalysts with eggshell and uniform Mo distribution by methanol assisted spreading: Effect of MoO3 dispersion on rate of spreading
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 5, May 2006, Pages 276–280
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