Naphthene ring opening over group VIII metal catalysts containing cracking moderators

This invention relates to a method and composition for opening naphthenic rings of naphthenic ring-containing compounds such as distillate. In particular, this invention relates to the use of a catalyst composition comprising at least one Group VIII metal supported on a material containing at least...

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Bibliographic Details
Main Authors Baird, Jr., William C, Chen, Jingguang G, McVicker, Gary B
Format Patent
LanguageEnglish
Published 23.09.2003
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Summary:This invention relates to a method and composition for opening naphthenic rings of naphthenic ring-containing compounds such as distillate. In particular, this invention relates to the use of a catalyst composition comprising at least one Group VIII metal supported on a material containing at least one of a Group IB, IIB, and Group IVA metal. Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, along with catalysts which can be used in that process. The naphthene ring opening catalyst is a catalyst which comprises at least one of a Group VIII metal selected from Ir, Pt, Pd, Rh, and Ru in an amount effective to ring open naphthene rings on naphthene ring-containing compounds, the metal being supported on a substrate comprising at least one Group IB, IIB, and IVA metal in an amount effective to moderate cracking of a naphthene ring-containing feed to form methane.