Catalytic gas synthesis apparatus

Details Catalytic gas synthesis apparatus Catalytic gas synthesis apparatus

1987-01-21

1988-12-06

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Ammonia synthesizer

422191, 422192, 422203, 165 66, B01J 804

Patent

active

047895276

ABSTRACT:
The present invention is generally directed to an improved process and apparatus for the production of gaseous products such as ammonia by catalytic, exothermic gaseous reactions and is specifically directed to an improved process which utilizes a gas-phase catalytic reaction of nitrogen and hydrogen for the synthesis of ammonia. This improved process for the production of ammonia utilizes an ammonia converter apparatus designed to comprise at least two catalyst stages and a reheat exchanger so arranged as to provide indirect heat exchange of the gaseous effluent from the last reactor catalyst stage with the effluent from at least one other reactor catalyst stage having a higher temperature level in order to reheat the effluent from the last reactor catalyst stage prior to exiting the reactor vessel, thereby facilitating higher level heat recovery from the reactor effluent.

REFERENCES:
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patent: 3721532 (1973-03-01), Wright et al.
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patent: 4224299 (1980-09-01), Barber et al.
patent: 4341737 (1982-06-01), Albano et al.
patent: 4637918 (1987-01-01), Osman et al.
Eschenbrenner et al., "A New High Capacity Ammonia Converter", vol. 14, Ammonia Plant Safety, pp. 51-56, (Chem. Eng. Progr. Techn. Manual, AICHE, 1972).

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