Process for the production of nitric acid

Chemistry of inorganic compounds – Nitrogen or compound thereof – Oxygen containing

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423396, C01B 2140

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active

042632676

ABSTRACT:
The invention relates to a process for the production of nitric acid with a concentration of 50-65% by weight by compression of a reaction gas and its absorption in water, said reaction gas originating from an ammonia combustion process, containing nitrogen oxides and being under pressure. The nitric acid produced by the process according to the invention is particularly suitable for further processing to fertilizer.

REFERENCES:
patent: 1735342 (1929-11-01), Taylor
patent: 2098953 (1937-11-01), Christensen
patent: 3716625 (1973-02-01), Oberste-Berghaus et al.
patent: 4064221 (1977-12-01), Rodrigo et al.
patent: 4183906 (1980-06-01), Watson et al.

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