Process for regenerating a metathesis catalyst

An improved process for regenerating metathesis catalysts that comprise a compound of rhenium, molybdenum or tungsten on a porous substrate that consists of a refractory oxide and that has an acidic, neutral or basic nature, and an organometallic promoter that consists of an alkyl complex of tin or...

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Bibliographic Details
Main Authors Guibert, Severine, Kruger-Tissot, Virginie, Commereuc, Dominique
Format Patent
LanguageEnglish
Published 09.01.2003
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Summary:An improved process for regenerating metathesis catalysts that comprise a compound of rhenium, molybdenum or tungsten on a porous substrate that consists of a refractory oxide and that has an acidic, neutral or basic nature, and an organometallic promoter that consists of an alkyl complex of tin or lead is described. The regeneration comprises a selective extraction of the organometallic promoter followed by a calcination and a reimpregnation by the same promoter.