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Temperature programmed desorption studies on hydrodesulfurization catalysts

Jayamurthy, M and Vasudevan, S (1994) Temperature programmed desorption studies on hydrodesulfurization catalysts. In: Catalysis Letters, 23 (1-2). pp. 49-57.

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The temperature programmed-desorption (TPD) of butane, butene, butadiene and thiophene over a series of Co-MO/gamma-Al2O3 catalysts with varying Co to Mo ratio has been investigated. The TPD of butane, butene and butadiene over catalysts containing no Co showed a single desorption profile while incorporation of Co created an additional site without significantly affecting desorption from the original site. The TPD of thiophene over a series of catalysts with varying Co content showed identical desorption temperature as well as heat of desorption. It was concluded that thiophene was adsorbed on the ''Mo-S'' component of the catalyst and was unaffected by the presence of Co.

Item Type: Journal Article
Publication: Catalysis Letters
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Keywords: Hydrodesulfurization catalysts;temperature programmed desorption
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 15 Apr 2011 05:36
Last Modified: 15 Apr 2011 05:36
URI: http://eprints.iisc.ac.in/id/eprint/36870

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