Process for the preparation of...

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C - Chemistry, Metallurgy

07

H

C07H 15/04 (2006.01) A23L 1/236 (2006.01)

Patent

CA 2148549

Sugar alcohols can be prepared from the corresponding sugars by catalytic hydro-genation in aqueous solution with hydrogen, the hydrogenation being carried out continuously at a hydrogen pressure of 100 to 400 bar and a reaction temperature of 40 to 80°C on support-free shaped bodies which are arranged in a fixed bed and are composed of pressed powders of alloys of the elements of the iron sub group of sub group VIII of the Periodic Table of the Elements containing elements of sub group VI. The shaped bodies have a compressive strength of 20 to 250 N and an internalsurface area of 10 to 80 m2/g.

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