Temperature control for an ammonia synthesis reactor

Details Temperature control for an ammonia synthesis reactor Temperature control for an ammonia synthesis reactor

1978-10-06

1981-04-28

Vertiz, O. R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

23230A, 422109, 422148, 422190, 423361, 423DIG5, C01C 104

Patent

active

042645662

ABSTRACT:
Control of the temperature of an ammonia synthesis reactor is accomplished so as to reduce temperature oscillations throughout the reactor. This allows the ammonia synthesis reactor to be operated close to the lowest stable operating temperature which results in optimal reactor performance. The temperature of the effluent flowing from the ammonia synthesis reactor is monitored to detect the presence of thermal waves. The temperature of the effluent flowing from the synthesis reactor is utilized to generate a correction term which is utilized in temperature control for the ammonia synthesis reactor to stabilize the operation of the ammonia synthesis reactor.

REFERENCES:
patent: 3031267 (1962-04-01), Martin et al.
patent: 3254967 (1966-06-01), Wentworth
patent: 3656911 (1972-04-01), Hobbs
patent: 4088740 (1978-05-01), Gaines
patent: 4094959 (1978-06-01), Ball et al.
Shaw, Manesh J., "Control Simulation in Ammonia Production," Industrial and Engineering Chemistry, vol. 59, No. 1, pp. 72-83, Jan. 1967.

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