Nonmetallic catalyst compositions for oxidation of ammonia and p

Details Nonmetallic catalyst compositions for oxidation of ammonia and p Nonmetallic catalyst compositions for oxidation of ammonia and p

1981-12-15

1983-12-06

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

423404, B01J 2104, B01J 2310, B01J 2378, B01J 2384

Patent

active

044192746

ABSTRACT:
Nonmetallic catalyst compositions for oxidation of ammonia have the formula of Fe.sub.2 O.sub.3 -MAl.sub.2 O.sub.4 -Bi.sub.2 O.sub.3 -Ce.sub.2 O.sub.3. Herein, M represents Mg, Mn, Ca, Sr or Ba. MAl.sub.2 O.sub.4 is a spinel and has a role of carrier as well as that of assistant catalyst. Fe.sub.2 O.sub.3 acts as main catalyst, Bi.sub.2 O.sub.3 as assistant catalyst and Ce.sub.2 O.sub.3 as stabilizer to extend the effective temperature range of the function of catalyst compositions. In the formula, the ratio of each component is as follows:

REFERENCES:
patent: 3853790 (1974-12-01), Vosolsobe et al.
patent: 3985681 (1976-10-01), Senes et al.

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