NON-CONCENTRATED NITRIC ACID OBTAINING METHOD Russian patent published in 1995 - IPC

Abstract RU 2026812 C1

FIELD: production of non-concentrated nitric acid. SUBSTANCE: method involves obtaining nitrogenoxides; absorbing nitrogen oxides; heating gas discharged upon absorption of gas; recovering waste gas energy in gas turbine unit; feeding gas mixture from gas turbine into cleaning reactor, where oxides are recovered in the presence of ammonia. Number of failures per year is five (in unit operating under pressure of 0.716 mPa). EFFECT: increased efficiency of method. 1 tbl

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Authors

Petrov Nikolaj Nikolaevich

Kaminskij Anatolij Aleksandrovich

Chernyshev V.I.

Zhigajlo Boris Danilovich

Zarubin Vladimir Mikhajlovich

Korchaka Nikolaj Ivanovich

Antonov Oleg Mikhajlovich

Gritsiv Roman Gerasimovich

Shvartsburd Iosif Judovich

Dates

1995-01-20Published

1992-04-08Filed