Regeneration of supported ruthenium catalyst

Details Regeneration of supported ruthenium catalyst Regeneration of supported ruthenium catalyst

1976-03-30

1978-02-07

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

127 37, 252413, 260635C, B01J 2938, B01J 2396, C07C 3118

Patent

active

040726282

ABSTRACT:
Regeneration of supported ruthenium catalysts. A supported ruthenium catalyst which has been used for conversion of carbohydrates to polyhydric alcohols is regenerated by contacting the catalyst with an aqueous solution of a mineral acid, such as sulfuric, hydrochloric, or phosphoric acid. Dilute acids, e.g., 0.01 N to 0.5 N, are preferred.

REFERENCES:
patent: 2704281 (1955-03-01), Appell
patent: 2749359 (1956-06-01), Calkins et al.
patent: 2868847 (1959-01-01), Boyers et al.
patent: 3055840 (1962-09-01), Koch, Jr.
patent: 3627636 (1971-12-01), Jaffe et al.
patent: 3708396 (1973-01-01), Mitsuhashi et al.

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