Process for the epoxidation of propene

Details Process for the epoxidation of propene Process for the epoxidation of propene

C - Chemistry, Metallurgy

07

D

C07D 303/04 (2006.01) C07D 301/12 (2006.01)

Patent

CA 2529730

The invention is directed to an improved process for the continuous epoxidation of propene with hydrogen peroxide in the presence of a titanium silicalite catalyst and a methanol solvent, wherein the catalyst is periodically regenerated by washing with a methanol solvent at a temperature of at least 100 ~C and the epoxidation reaction is carried out for periods of more than 300 h between two regeneration steps.

La présente invention concerne un processus amélioré d'époxydation continue de propène avec du peroxyde d'hydrogène en présence d'un catalyseur silicalite au titane et d'un solvant méthanol. Ce catalyseur est périodiquement régénéré par un lavage avec un solvant méthanol à une température d'au moins 100 ·C et la réaction d'époxydation est effectuée pendant des périodes > 300 heures entre deux étapes de régénération.

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