Advanced kinetic concepts and experimental methods for catalytic three-phase processes

Tapio Salmi*, Dmitry Yu Murzin, Jyri-Pekka Mikkola, Johan Wärnå, Päivi Mäki-Arvela, Esa Toukoniitty, Sami Toppinen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)


Kinetic studies of catalytic three-phase systems are traditionally performed in autoclaves operating batchwise, and the results are described with rate equations based on the simple Langmuir-Hinshelwood concept. This is not sufficient, as complex organic molecules react on the catalyst surface, and more advanced kinetic models and experimental techniques are needed. Semicompetitive and multicentered adsorption models have been applied to kinetic data, and transient step-response experiments have been carried out for various industrially relevant three-phase systems. The theoretical basis of the advanced kinetic concept is described and successfully applied to several industrially relevant processes, such as hydrogenation of aromatic components and aldehydes on commercial catalysts and enantioselective hydrogenation on modified catalyst surfaces.

Original languageEnglish
Pages (from-to)4540-4550
Number of pages11
JournalIndustrial and Engineering Chemistry Research
Issue number16
Publication statusPublished - 4 Aug 2004
MoE publication typeA1 Journal article-refereed


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