Cryogenic rectification system with intermediate temperature tur

Details Cryogenic rectification system with intermediate temperature tur Cryogenic rectification system with intermediate temperature tur

1993-12-08

1995-03-21

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 41, F25J 300

Patent

active

053985141

ABSTRACT:
A cryogenic rectification system wherein feed partially traverses the primary heat exchanger, thereafter is turboexpanded, and then traverses another portion of the primary heat exchanger reducing the temperature differences between approaching streams within the primary heat exchanger and thus the cycle irreversibilities resulting in lower power requirements.

REFERENCES:
patent: 4303428 (1981-12-01), Vandenbussche
patent: 4407135 (1983-10-01), Pahade
patent: 4410343 (1983-10-01), Ziemer
patent: 4560398 (1985-12-01), Beddome et al.
patent: 5108476 (1992-04-01), Dray et al.
patent: 5148680 (1992-09-01), Dray
patent: 5157926 (1992-10-01), Guilleminot
patent: 5228296 (1993-07-01), Howard
patent: 5233838 (1993-08-01), Howard
patent: 5235816 (1993-08-01), Parsnick et al.
patent: 5315833 (1994-05-01), Ha et al.

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