Process and process unit for the preparation of ammonia synthesi

Details Process and process unit for the preparation of ammonia synthesi Process and process unit for the preparation of ammonia synthesi

1998-05-05

2000-06-20

Langel, Wayne

Compositions

Gaseous compositions

Nitrogen and hydrogen containing

422148, 422200, 423359, 423652, C01B 326, F28D 710

Patent

active

060774592

ABSTRACT:
Process and process unit for the preparation of ammonia synthesis gas from a hydrocarbon feedstock comprising sequentially primary and secondary catalytic steam reforming of the feedstock in a primary heat exchange steam reformer and in a subsequent secondary reformer, wherein an effluent stream of primary steam reformed gas is heated by indirect heat exchange with a hot product effluent of secondary reformed gas prior to introduction of the primary steam reformed gas into the secondary reformer.

REFERENCES:
patent: 4822521 (1989-04-01), Fuderer
patent: 5429809 (1995-07-01), Stahl et al.

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