Method for producing a hydrogen-containing gas

Details Method for producing a hydrogen-containing gas Method for producing a hydrogen-containing gas

1979-06-25

1981-04-28

Vertiz, O. R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

252373, 423650, C01B 113, C01C 104

Patent

active

042645670

ABSTRACT:
In a process for producing a hydrogen containing gas by reacting steam with a feedstock to give a gas at a temperature of at least 350.degree. C., generating high pressure steam by heat exchange with such a gas, letting down the steam in an expansion engine of the pass-out type and using engine exhaust steam as process feed, an improvement in energy economy is achieved by bringing the engine exhaust steam into heat exchange with water and contacting the resulting hot water with a gaseous or vaporised feed to the process. The steam exhausted from the engine is preferably at a pressure lower than that at which the steam-using process step is generated. The process is especially useful in ammonia production by way of steam hydrocarbon reforming at an unconventionally high pressure in the range 40-80 bar abs, followed by synthesis at a pressure not more than 50% higher.

REFERENCES:
patent: 3441393 (1969-04-01), Finneran
patent: 4148866 (1979-04-01), Becker
Olsen, "Unit Processes and Principles of Chemical Engineering", D. Van Nostrand Co., Inc. (1932), pp. 1-3.

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