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Exhaust gas catalysts for heavy-duty applications: influence of the Pd particle size and particle size distribution on the combustion of natural gas and biogas
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Chemical Engineering and Technology.
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2001 (English)In: Topics in catalysis, ISSN 1022-5528, E-ISSN 1572-9028, Vol. 16, no 04-jan, 407-412 p.Article in journal (Refereed) Published
Abstract [en]

In this study, an experimental investigation concerning exhaust gas catalysts for heavy-duty diesel engines fuelled by natural gas or biogas is presented. Miniature monoliths, 2.5 wt% Pd/Al2O3, have been prepared, characterised and tested. Various methods have been used in order to obtain different palladium particle sizes, including incipient wetness and microemulsion technique. Crystallite sizes between 2 and 40 nm were obtained. We observed that the metal particle size influences the activity for methane oxidation. Moreover, the homogeneity of the active material was found to affect the reaction rate.

Place, publisher, year, edition, pages
2001. Vol. 16, no 04-jan, 407-412 p.
Keyword [en]
natural gas, exhaust gas catalyst, catalyst preparation, characterization, Pd particle size, complete oxidation, methane oxidation, palladium, platinum
Identifiers
URN: urn:nbn:se:kth:diva-21028ISI: 000171632100062OAI: oai:DiVA.org:kth-21028DiVA: diva2:339725
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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