Regeneration of whetlerite for adsorbing toxic pollutants from a

Details Regeneration of whetlerite for adsorbing toxic pollutants from a Regeneration of whetlerite for adsorbing toxic pollutants from a

1990-12-13

1992-11-10

Konopka, Paul E.

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

55 71, 55 74, 423236, 502 52, 502401, B01J 2034, B01J 3816, B01J 3814, C07C 300

Patent

active

051622742

ABSTRACT:
Whetlerite degraded by exposure to atmospheric contaminants is treated to restore its ability to adsorb toxic air pollutants by passing through it a flow of an oxygen-containing gas further containing from 500 to 2000 ppm of carbon monoxide and water vapor corresponding to 60 to 90 percent relative humidity at 60 to 80 degrees C.

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patent: 4531953 (1985-07-01), Groose et al.
patent: 4656148 (1987-04-01), Buhler et al.
patent: 4664683 (1987-05-01), Degen et al.
patent: 4801311 (1989-01-01), Tolles
patent: 4802898 (1989-02-01), Tolles
Dietz et al. "Temperature-Reversible Oxidation of Carbon Monoxide by New Weathered Whetlerite" Carbon, vol. 24, 463-468 (1986).
Quarterly Report of Jan.-Mar. 1987, Chemistry and Physics of Surfaces-Collection and Individual Protection; Chemical Reaction of Carbon Monoxide with Degraded Whetlerites.

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