Recovery of ammonia from underground storage

Details Recovery of ammonia from underground storage Recovery of ammonia from underground storage

1976-10-12

1978-02-07

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

61 05, 62 54, 222 3, 222146H, F17C 902

Patent

active

040720241

ABSTRACT:
A process for recovering gaseous ammonia from liquefied ammonia stored in an underground cavern includes heating gaseous ammonia to a temperature below that at which decomposition occurs and feeding it into the liquefied ammonia in the cavern. The release of the heated gaseous ammonia in the liquefied ammonia causes conversion of some of the liquid into gaseous form, and gaseous ammonia so formed is withdrawn from the cavern.

REFERENCES:
patent: 1638434 (1927-08-01), Curme, Jr. et al.
patent: 2251796 (1941-08-01), Howard
patent: 2522026 (1950-09-01), Evans
patent: 2713775 (1955-07-01), Cottle
patent: 2732334 (1956-01-01), Pollock
patent: 2859594 (1958-11-01), Peck
patent: 2878165 (1959-03-01), Cottle
patent: 2901403 (1959-08-01), Adams et al.

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