Ammonia oxidation catalyst pack

Details Ammonia oxidation catalyst pack Ammonia oxidation catalyst pack

1987-12-23

1989-09-26

Stoll, Robert L.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

428246, 428253, 428289, B32B 304, C01B 2126

Patent

active

048698911

ABSTRACT:
A catalyst pack (1) for the manufacture of nitric acid by oxidizing ammonia comprises at least one layer (2, 3, 4, 5, 6) of elongate elements made from at least one platinum group metal or alloy and at least one foraminous layer (7, 8) of ceramics material having a coating of one or more platinum group metals or alloys or mixture. In use the catalyst pack has improved conversion efficiencies. The preferred ceramics material comprises either alumina, slicia and boria or zirconia in the form of a cloth.

REFERENCES:
patent: 971149 (1910-09-01), Schick
patent: 4189404 (1980-02-01), Keith et al.
patent: 4435373 (1984-03-01), Knapton et al.
UK Patent Application 2,037,342 A, published, Jul. 9, 1980.
UK Patent Application 2,067,915 A, published, Aug. 5, 1981.

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