Increasing catalyst lifetime in hydrogenation of a carbohydrate

Details Increasing catalyst lifetime in hydrogenation of a carbohydrate Increasing catalyst lifetime in hydrogenation of a carbohydrate

1984-07-09

1985-04-09

Evans, J. E.

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

Organic compounds

Oxygen containing

C07C 29136, C07C 2914, C07C 3118, C07C 3126

Patent

active

045103399

ABSTRACT:
Improved lifetimes of group VIII metals used as hydrogenation catalysts for carbohydrates in aqueous solution may be obtained by utilizing carbohydrate feedstocks containing less than about 0.5 ppm dissolved oxygen prior to contact with catalyst under hydrogenation conditions. Using ruthenium as a catalyst, effective lifetime may be doubled with dissolved oxygen levels less than about 0.2 ppm.

REFERENCES:
patent: 2174651 (1939-10-01), Byrkit
patent: 2879307 (1959-03-01), Von Bezard et al.
patent: 3963788 (1976-06-01), Kruse et al.

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