Intrinsic kinetics of thiophene HDS over a NiMo/SiO2 model catalyst

A. Borgna, E.J.M. Hensen, J.A.R. Veen, van, J.W. Niemantsverdriet

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2 Citations (Scopus)

Abstract

A realistic planar model of a silica-supported NiMo sulfide hydrotreating catalyst was used to study the intrinsic kinetics of thiophene hydrodesulfurization over a broad temp. range at atm. pressure. The specific non-porous nature of the model catalysts excludes possible diffusion limitations, which are commonly encountered in kinetic studies of their industrial porous analogs. The unique possibility to measure the intrinsic chem. kinetics over a large temp. range allowed us to observe a Volcano-type behavior for thiophene hydrodesulfurization. Furthermore, we derived intrinsic kinetic parameters, including the activation energy and adsorption consts. for thiophene and hydrogen sulfide, for this well-characterized NiMo sulfide model catalyst. [on SciFinder (R)]
Original languageEnglish
Title of host publicationAbstracts of Papers, 226th ACS National Meeting, New York, NY, United States, September 7-11, 2003
Place of PublicationNew York
PublisherAmerican Chemical Society
PagesFUEL-051
Publication statusPublished - 2003
Event226th ACS National Meeting - New York, United States
Duration: 7 Sep 200311 Sep 2003

Conference

Conference226th ACS National Meeting
CountryUnited States
CityNew York
Period7/09/0311/09/03

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