Ammonia production process

Details Ammonia production process Ammonia production process

1981-09-30

1983-05-17

Vertiz, O. R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

423656, C01C 104

Patent

active

043839827

ABSTRACT:
In an ammonia production process a hydrocarbon steam mixture (16) is preheated (18, 24) and reacted in an adiabatic catalyst bed (22, 26), the resulting methane-containing gas is reacted (30) with air (32) to introduce more than 1 N.sub.2 per 3H.sub.2 and purified (44, 48, 54) the purified gas is passed to ammonia synthesis (66) in admixture with a hydrogen-rich stream (82) separated at 80 from reacted synthesis gas, and the rate of flow of that stream is controlled so that the H.sub.2 :N.sub.2 ratio of the gas entering the synthesis catalyst is in the range 1.0 to 2.5. Preferably methane is purged at 86 to the extent of 5-15% of the hydrocarbon feedstock.

REFERENCES:
patent: 3598527 (1971-08-01), Quartulli et al.

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