Process for the hydrogenation of sugars

Details Process for the hydrogenation of sugars Process for the hydrogenation of sugars

1995-05-01

1997-06-24

Kight, John

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 111, 536 41, 536124, 568863, C07C 29132, C07C 3118

Patent

active

056418728

ABSTRACT:
The sugar alcohols mentioned as title compounds can be prepared from the corresponding sugars by catalytic hydrogenation in aqueous solution with hydrogen, the hydrogenation being carded out continuously at a hydrogen pressure of 100 to 400 bar and a reaction temperature of 40.degree. to 80.degree. 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 internal surface area of 10 to 80 m.sup.2 /g.

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