Method of and arrangement for processing through low temperature

Details Method of and arrangement for processing through low temperature Method of and arrangement for processing through low temperature

1976-10-04

1978-02-07

Bernstein, Hiram H.

Refrigeration

Processes

Circulating external gas

62 40, F25J 306

Patent

active

040724859

ABSTRACT:
A method of processing through low temperature heat exchanges natural gases and cracked gases consisting in using a cooling cycle including compressing and then cooling a cycle mixture of gases consisting of C1 hydrocarbons, C2 hydrocarbons and C3 hydrocarbons through outer coolers with attendant total liquefaction of the cycle mixture under pressure; subsequently effecting a sub-cooling of the mixture within heat exchanges in counter-current relation to one expanded part thereof and/or cold returns and rejects of products processed in the cycle and finally expanding said sub-cooled mixture in at least one exchanger where various cooling processes of the treated products are carried out at successive temperature levels.

REFERENCES:
patent: 3162519 (1964-12-01), Peters et al.
patent: 3233418 (1966-02-01), Shaievitz
patent: 3300991 (1917-01-01), Carney
patent: 3616652 (1971-11-01), Engel
patent: 3780535 (1973-12-01), Darredeav
patent: 3818714 (1974-06-01), Etzbach et al.

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