Temperature control of exothermic reactions

Details Temperature control of exothermic reactions Temperature control of exothermic reactions

1979-08-23

1981-02-10

Serwin, R. E.

Chemistry: physical processes

Physical processes

Crystallization

260690, 260698, 260700, 364500, 364557, 422 62, 585259, 585263, C07B 100

Patent

active

042499070

ABSTRACT:
In a selective hydrogenation process wherein at least one catalyst bed is utilized, the temperature of the feed stream to the catalyst bed is controlled so as to maintain a desired reaction temperature in the catalyst bed. Primary control is based on an analysis of the feed stream. An override control based on the differential temperature across the at least one catalyst bed is provided to prevent fast changes in the composition of the feed stream from causing the temperature of the catalyst bed to change rapidly.

REFERENCES:
patent: 3471582 (1969-10-01), Lupfer
patent: 3654131 (1972-04-01), Carr
patent: 3656911 (1972-04-01), Hobbs

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