Apparatus for production of nitrogen

Details Apparatus for production of nitrogen Apparatus for production of nitrogen

1991-08-02

1992-09-08

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 42, 165166, F25J 300

Patent

active

051448092

ABSTRACT:
The apparatus comprises a heat exchange line, a fractionating column which is cooled by means of a rich liquid and a section for adiabatic enrichment with nitrogen derived from entering air, the whole being integrated into a parallelepipedal heat exchanger of the plates and blades type. Use for the production of nitrogen of average purity.

REFERENCES:
patent: 3282334 (1966-11-01), Stahlheber
patent: 3568462 (1971-03-01), Hoffman et al.
patent: 3992168 (1976-11-01), Toyama et al.
patent: 4574007 (1986-03-01), Yearout et al.
patent: 4599097 (1986-07-01), Petit et al.
patent: 4606745 (1986-08-01), Fujita
patent: 4699209 (1987-10-01), Thorogood
patent: 4715431 (1987-12-01), Schwartz
patent: 4715433 (1987-12-01), Schwartz
patent: 4717410 (1988-01-01), Grenier

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