High conversion ammonia synthesis

Details High conversion ammonia synthesis High conversion ammonia synthesis

1992-08-21

1994-10-04

Lander, Ferris

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

423361, 423354, 423352, 422148, 422198, 422200, 422207, 422211, C01C 104, F28D 700, B01J 802

Patent

active

053524284

ABSTRACT:
A process and apparatus are disclosed to achieve high per-pass synthesis conversion of ammonia. A nitrogen/hydrogen synthesis gas mixture is passed sequentially through a plurality of catalyst beds. The effluent from a subsequent catalyst bed is cooled by direct quench with a partially reacted gas which has passed through at least a first catalyst bed.

REFERENCES:
patent: 3721532 (1973-03-01), Wright et al.
patent: 3851046 (1974-11-01), Wright et al.
patent: 4867959 (1989-09-01), Grotz
patent: 4907643 (1990-03-01), Grotz
patent: 4921684 (1990-05-01), Grotz et al.
Wayne A. Glover, Two-Staged Adiabatic Ammonia Synthesis Converter, Aug. 29, 1972.
Ammonia, Part III, A. V. Slack, ed., Marcel Dekker, Inc., New York, 1977 pp. 197-209 and 291-369.
The design of ammonia converters, editors, Nitrogen, No. 110, Nov./Dec. 1982, pp. 30-37.
Exchange of quench?, P. Lesur, Nitrogen, No. 108, Jul./Aug. 1977, pp. 29-32

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