Integrated process for the synthesis of propylene oxide

Details Integrated process for the synthesis of propylene oxide Integrated process for the synthesis of propylene oxide

C - Chemistry, Metallurgy

07

D

C07D 301/12 (2006.01)

Patent

CA 2496954

The invention relates to an integrated method for synthesising propylene oxide, said method comprising at least the following steps: (i) dehydrogenation of propane to obtain a partial stream T (0), which contains at least propane, propene and hydrogen; (ii) separation of the partial stream T (0) to obtain at least one gaseous partial stream T (2) with a high hydrogen content and a partial stream T (1), which contains at least propene and propane; iii) hydrogen peroxide synthesis using the partial stream T (2), to produce a partial stream T (4) with a high hydrogen peroxide content and a gaseous partial stream T (6); (iv) separation of the partial stream T (1) to obtain at least one partial stream T (5) with a high propane content and at least one partial stream T (3) with a high propene content; (v) reaction of the partial stream(s) T (3) with partial stream T (4) to obtain propylene oxide.

L'invention concerne un procédé intégré servant à la synthèse d'oxyde de propylène et comprenant au moins les étapes suivantes : (i) déshydrogénation du propane pour obtenir un flux partiel T (0) présentant au moins du propane, du propène et de l'hydrogène ; (ii) séparation du flux partiel T (0) pour obtenir au moins un flux partiel gazeux T (2) riche en hydrogène et un flux partiel T (1) présentant au moins du propène et du propane ; (iii) synthèse de peroxyde d'hydrogène par utilisation du flux partiel T (2), pour obtenir un flux partiel T (4) riche en peroxyde d'hydrogène et un flux partiel gazeux T (6) ; (iv) séparation du flux partiel T (1) pour obtenir au moins un flux partiel T (5) riche en propane et au moins un flux partiel T(3) riche en propène; (v) réaction du flux partiel T (3) avec le flux partiel T (4) pour obtenir de l'oxyde de propylène.

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