Method for producing nitric acid

Details Method for producing nitric acid Method for producing nitric acid

2006-10-10

2006-10-10

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C423S393000, C423S394000, C423S403000

Reexamination Certificate

active

07118723

ABSTRACT:
A process for producing nitric acid of a concentration in the range of 68 to 76% by weight, using the mono-pressure or the dual-pressure process in which the ammonia feedstock is combusted with the aid of compressed process air. The water vapour content of the process air used for combustion and/or stripping and imported from outside the system, is reduced in this process.

REFERENCES:
patent: 4367204 (1983-01-01), Klopp et al.
patent: 4711771 (1987-12-01), Schiller
patent: 6264910 (2001-07-01), Maurer et al.
Dr. Robert Powell, “Nitric Acid Technology—Recent Developments”, Chemical Process Review No. 30, Noyes Development Corporation (1969), pp. 148-160, (no month).

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