Regeneration method of heterogeneous catalysts and adsorbents

Details Regeneration method of heterogeneous catalysts and adsorbents Regeneration method of heterogeneous catalysts and adsorbents

2008-05-06

2008-05-06

Johnson, Edward M. (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

Reexamination Certificate

active

07368409

ABSTRACT:
A process for regenerating a palladium catalyst from a catalytic reaction where the catalyst is contaminated with at least carbon. The regenerating is conducted prior to any heating step under oxidizing conditions in the regenerating section. The regenerating involves at least one heating step under a hydrogen-containing reducing atmosphere and under conditions sufficient to lower the content of carbon in the palladium catalyst.

REFERENCES:
patent: 4153534 (1979-05-01), Vasalos
patent: 4208302 (1980-06-01), McKay
patent: 4406775 (1983-09-01), Bailor et al.
patent: 5358630 (1994-10-01), Bertus et al.
patent: 5914091 (1999-06-01), Holst et al.

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