Reduced chlorine containing platinum catalysts

Details Reduced chlorine containing platinum catalysts Reduced chlorine containing platinum catalysts

1994-11-08

1996-05-14

McFarlane, Anthony

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

Catalyst or precursor therefor

Halogen or compound containing same

502313, 502324, 502325, 502326, 502331, 502337, 502338, 502339, 502349, 4232391, B01J 2342, B01J 2706

Patent

active

055167411

ABSTRACT:
A catalyst comprising catalytic material on a support, the catalytic material comprising platinum, and the support consisting essentially of at least one of zirconia, tin oxide and titania, which catalyst contains less than 400 ppm of chlorine atoms based on the weight of catalytic material plus support, is useful for reducing the content of nitrogen oxides in a flue gas containing them, oxygen and 5-3000 ppm by volume of sulphur dioxide by admixing ammonia with the flue gas and passing the mixture over the catalyst.

REFERENCES:
patent: 3599427 (1971-08-01), Jones
patent: 3615166 (1971-10-01), Hindin et al.
patent: 3864451 (1975-02-01), Lee
patent: 3932309 (1976-01-01), Graham et al.
patent: 4233189 (1980-11-01), Gandhi et al.
patent: 4743576 (1988-05-01), Schneider et al.
patent: 4830844 (1989-05-01), Kolts
patent: 4904633 (1990-02-01), Ohata et al.
patent: 4921830 (1990-05-01), Kolts

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