Catalyst for the reduction of oxides of nitrogen

Details Catalyst for the reduction of oxides of nitrogen Catalyst for the reduction of oxides of nitrogen

1986-09-23

1988-04-05

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 78, 423239, B01J 2916

Patent

active

047359277

ABSTRACT:
A catalyst for the selective reduction of nitrogen oxides to nitrogen in the presence of ammonia in the form of composite bodies formed from a mixture of anatase (5 to 40% by weight), a zeolite (50 to 90%), a bond material (0 to 30%, and, optionally, promoter selected from oxides of vanadium, molybdenum, and copper, in the amount of at least 0.1% by weight.

REFERENCES:
patent: 3895094 (1975-07-01), Carter et al.
patent: 4085193 (1978-04-01), Nakajima et al.
patent: 4157375 (1979-06-01), Brown et al.
patent: 4220632 (1980-09-01), Pence et al.
patent: 4473535 (1984-09-01), Kittrell et al.
patent: 4564604 (1986-01-01), Iida et al.
patent: 4663300 (1987-05-01), Lester et al.

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