Chemistry of inorganic compounds – Nitrogen or compound thereof – Oxygen containing
Patent
1986-06-27
1988-09-27
Doll, John
Chemistry of inorganic compounds
Nitrogen or compound thereof
Oxygen containing
428225, 428227, 428292, 428450, 428469, C01B 2126
Patent
active
047740698
ABSTRACT:
A process for the manufacture of nitric oxide by the oxidation of ammonia using a catalyst (1) comprising platinum in which the ammonia conversion efficiency of the process is improved by the use of a palladium catchment trap (2) in which the conventional layers (8 and 10) of palladium scavenger-wire are adjacent to layers (7, 9 and 11) of interstitial (preferably woven) ceramics material. The preferred ceramics material consists of alumina, silica and boria. Also a catchment trap comprising layers of ceramics material for use in the process.
REFERENCES:
patent: 971149 (1910-09-01), Schick
patent: 3947554 (1976-03-01), Senes et al.
patent: 4050956 (1977-09-01), de Bruin et al.
patent: 4281041 (1981-07-01), Koehler
patent: 4351887 (1982-09-01), Bishop et al.
patent: 4511539 (1985-04-01), Stephenson
Doll John
Johnson Matthey Public Limited Company
Langel Wayne A.
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