Ammonia production process

Details Ammonia production process Ammonia production process

C - Chemistry, Metallurgy

01

C

23/217

C01C 1/04 (2006.01) C01B 3/02 (2006.01)

Patent

CA 1181571

Abstract Ammonia Production Process In an ammonia production process a hydrocarbon steam mixture is preheated and reacted in an adiabatic catalyst bed, The resulting methane-containing gas is reacted with air to introduce more than 1 N2 per 3H2 and purified. The purified gas is passed to ammonia synthesis in admixture with a hydrogen-rich stream and separated from reacted synthesis gas wherein the rate of flow of that stream is controlled so that the H2:N2 ratio of the gas entering the synthesis catalyst is in the range 1.0 to 2.5. Preferably methane is purged to the extent of 5 - 15% of the hydrocarbon feedstock.

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