Process for the preparation of ammonia

Details Process for the preparation of ammonia Process for the preparation of ammonia

2005-10-18

2005-10-18

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

C422S148000, C423S361000

Reexamination Certificate

active

06955797

ABSTRACT:
Process for the preparation of ammonia comprising steps ofcontacting an ammonia synthesis gas with an ammonia synthesis catalyst arranged as reaction zone in one or more catalyst tubes;cooling the reaction zone by heat conducting relationship with a cooling agent; andwithdrawing an ammonia rich effluent stream from the reaction zone.

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Abstract of A.G. Kasatkin, “General Processes and Apparatuses in Chemical Technology”, Goshimisdat, Moscow, 1961, pp. 378-379, no month.
Nielsen A. (ED.): “Ammonia catalysis and manufacture” 1995, Springer, Berlin (DE) XP002128241 p. 232 -p. 237, no month.

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