Method of hydrogenating aldehydes and ketones

Details Method of hydrogenating aldehydes and ketones Method of hydrogenating aldehydes and ketones

C - Chemistry, Metallurgy

07

C

C07C 29/141 (2006.01) B01F 7/26 (2006.01) C07C 1/207 (2006.01) C07C 27/00 (2006.01)

Patent

CA 2679086

Methods and systems for the hydrogenation of aldehydes and/or ketones are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of the hydrogen-containing gas (e.g. H2 gas) in the aldehydes and/or ketones. The high shear device may allow for lower reaction temperatures and pressures and may also reduce hydrogenation time with existing catalysts.

L'invention concerne des procédés et des systèmes d'hydrogénation d'aldéhydes et de cétones. Ces procédés et ces systèmes impliquent la nouvelle utilisation d'un dispositif à cisaillement élevé afin de faciliter la dispersion et la solubilité des gaz contenant de l'hydrogène (par ex., H2 gazeux) dans les aldéhydes et/ou les cétones. Ce dispositif à cisaillement élevé permet de réduire les températures et les pressions de réaction ainsi que le temps d'hydrogénation avec les catalyseurs existants.

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