The role of catalyst acidity in the hydrocracking of pyrolysis gasoline over bifunctional catalysts

A. Gutiérrez, P. Castaño, B. Pawelec, J. L.G. Fierro, J. M. Arandes, J. Bilbao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The effect of the catalyst used in the hydrocracking of a real refinery stream, the pyrolysis gasoline (PyGas), is studied. Experiments have been carried out in a fixed bed reactor. The activity of protolitic cracking is higher for the bifunctional catalysts. This highlights the importance of the metal support interaction, which is higher when the Pt is closely attached to the zeolite contributing to the hydrogen spill over. With regard to product selectivity, the nature of the support determined the product distribution. The Hβ zeolite is the preferred support for PyGas upgrading by hydroprocessing into an optimal gasoline blend. This is an abstract of a paper presented at the 18th International Congress of Chemical and Process Engineering (Prague, Czech Republic 8/24-28/2008).
Original languageEnglish (US)
Title of host publicationCHISA 2008 - 18th International Congress of Chemical and Process Engineering
StatePublished - Dec 1 2008
Externally publishedYes

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