C - Chemistry – Metallurgy – 07 – B
Patent
C - Chemistry, Metallurgy
07
B
C07B 63/00 (2006.01) C07C 29/149 (2006.01) C07C 31/20 (2006.01) C07C 209/48 (2006.01)
Patent
CA 2657119
The present invention relates to a process for separating solvents from solvent-containing hydrogenation product mixtures from a catalytic hydrogenation process, which mixtures contain a water-soluble hydrogenation product having an alcohol, lactone, ether, lactam or amino group in a solvent which is immiscible or not fully miscible with water and has a boiling point below 100°C, characterized in that water is added to the hydrogenation product mixture and the solvent-containing phase is separated off and recirculated to the hydrogenation.
L'invention concerne un procédé d'isolation de solvants à partir de produits d'hydrogénation contenant un solvant issus d'un procédé d'hydrogénation catalytique, lesdits produits d'hydrogénation contenant un produit d'hydrogénation soluble dans l'eau, comprenant au moins un groupement alcool, lactone, éther, lactame ou amino, dans un solvant non miscible avec l'eau ou non complètement miscible avec l'eau ayant un point d'ébullition inférieur à 100 °C, caractérisé en ce que de l'eau est ajoutée au produit d'hydrogénation, la phase contenant le solvant est isolée et recirculée dans l'hydrogénation.
Heimann Jens
Pinkos Rolf
Polka Hans-Martin
Urtel Heiko
Windecker Gunther
Basf Se
Robic
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