Process for the hydrogenation of sugars using a shell catalyst

Details Process for the hydrogenation of sugars using a shell catalyst Process for the hydrogenation of sugars using a shell catalyst

1998-01-09

1999-08-10

Knode, Marian C.

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

Organic compounds

Carbohydrates or derivatives

C07H 100

Patent

active

059360810

ABSTRACT:
The invention relates to a process for the hydrogenation of sugars and sugar mixtures to sugar alcohols or sugar alcohol mixtures wherein the sugars or sugar mixtures are hydrogenated with hydrogen in an aqueous solution at elevated temperature and elevated pressure by using a shell catalyst comprising a mixture of a pure Raney metal and a Raney metal alloy and wherein the shell catalyst has an essentially catalytically inactive core functioning as a carrier and a catalytically active shell.

REFERENCES:
patent: 3691100 (1972-09-01), Wright
patent: 4258222 (1981-03-01), Mohring et al.
patent: 4300003 (1981-11-01), Mohring et al.
patent: 4413152 (1983-11-01), Arena
patent: 4608446 (1986-08-01), Mohring et al.
patent: 4654377 (1987-03-01), Mohring et al.
patent: 5162517 (1992-11-01), Darsow
patent: 5561217 (1996-10-01), Weyer et al.
Derwent English language abstracts equivalent to DE 43 34 360.
Derwent English language abstracts equivalent to EP 0 423 525.

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