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Effect of activated carbon on the dispersion of Ru and K over supported Ru-based catalyst for ammonia synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
52846 46890 2007 4 PDF Available
Title
Effect of activated carbon on the dispersion of Ru and K over supported Ru-based catalyst for ammonia synthesis
Abstract

A series of Ru-based activated carbon supported catalysts for ammonia synthesis were prepared by impregnation. The effects of activated carbon and their oxygen surface groups on the dispersion of Ru and promoter K were investigated. The different treatment ways of activated carbons are also used in order to study the effect of these groups. TPD-MS, CO and CO2 pulse chemisorption were carried out to obtain better insight into the relation between the surface groups and the dispersion of Ru and K. The results showed that the surface groups could improve the hydrophilicity and the dispersion of Ru and K. Therefore, improve the ammonia synthesis activity of the catalyst.

Keywords
Ruthenium catalyst; Ammonia synthesis; Dispersion; Activated carbon
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Effect of activated carbon on the dispersion of Ru and K over supported Ru-based catalyst for ammonia synthesis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 3, March 2007, Pages 351–354
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