Claims
- 1. A catalyst structure for the oxidation of ammonia to produce nitric oxide consisting essentially of a substrate of reticulated ceramic foam or reticulated metal foam having coated substantially uniformly thereover from 1 to 70 weight % cobalt compound.
- 2. The catalyst structure according to claim 1 wherein from 15 to 50 weight % cobalt is coated on said substrate.
- 3. The catalyst structure according to claim 1 wherein said substrate has a substantially continuous coating.
- 4. The catalyst structure according to claim 1 wherein said cobalt compound is cobalt oxide.
- 5. The method of preparing a catalyst structure for the oxidation of ammonia to produce nitric oxide comprising a substrate of reticulated ceramic foam or reticulated metal foam having coated substantially uniformly thereover from 1 to 70 weight % cobalt comprising:
- (a) preparing a solution comprising an organic solvent and from about 1 to 30 wt. % of a carboxylate salt of cobalt;
- (b) immersing a substrate of reticulated ceramic foam or reticulated metal foam in said solution to cover said substrate with said solution;
- (c) removing said solution covered substrate from said solution; and
- (d) heating at 260.degree. to 800.degree. C. for a sufficient time to oxidize said salt to provide a coating over the substrate.
Parent Case Info
This is a continuation of application Ser. No. 07/881,073, filed May 11, 1992, now U.S. Pat. No. 5,217,939.
US Referenced Citations (19)
Non-Patent Literature Citations (1)
Entry |
Farrauto, Robert J. and Lse, Hyo C., "Ammonia Oxidation Catalysis with Enhanced Activity", Ind. Engr. Chem. Res., vol. 29, No. 7, 1990, pp. 1125-1129. |
Divisions (1)
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Number |
Date |
Country |
Parent |
881073 |
May 1992 |
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