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Deaktivering av metanisering katalysatorer
KTH, School of Chemical Science and Engineering (CHE).
2012 (Swedish)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Deactivation on methanation catalysts (English)
Abstract [en]

A titania-supported nickel catalyst was prepared and tested in methanation in order to evaluate its catalytic properties (activity, selectivity and specially, activity loss), and compare it with an alumina-supported nickel catalyst.

The titania-supported catalyst did not only show higher stability than alumina, but also presented a different cause of deactivation, carbon formation. In addition, a kinetic model was obtained for the titania-supported catalyst, and a study of the effect of different operating conditions (temperature, composition and partial pressures of synthesis gas and water) on the deactivation rate and carbon formation of this catalyst was performed.

Place, publisher, year, edition, pages
2012.
Keyword [en]
methanation, carbon formation, deactivation, titania, nickel
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-156183OAI: oai:DiVA.org:kth-156183DiVA: diva2:765535
Note

 

Available from: 2014-11-24 Created: 2014-11-24 Last updated: 2014-11-24Bibliographically approved

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