Catalytic hydrogenation of glucose to produce sorbitol

Details Catalytic hydrogenation of glucose to produce sorbitol Catalytic hydrogenation of glucose to produce sorbitol

1980-08-01

1982-03-30

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 2704, C07C 2914

Patent

active

043225691

ABSTRACT:
Monosaccharides such as glucose solution are catalytically hydrogenated in fixed bed reaction process using a high activity nickel catalyst to produce at least about 98 W % conversion to sorbitol solution. The feedstream pH is controlled to between 7 and 13 by adding a basic solution such as sodium hydroxide. Reaction zone conditions are 500-2000 psig hydrogen partial pressure, 130.degree.-180.degree. C. temperature, and use a ratio of hydrogen gas/feed liquid within the range of 1000-5000. Feedstream liquid space velocity is within range of 0.5-3.5 Vf/Hr/Vc.

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Haideggar, "Industrial & Engineering Che.", vol. 7, No. 1, (1968), pp. 107-110.

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