Separation of nitrogen and methane with residue turboexpansion

Details Separation of nitrogen and methane with residue turboexpansion Separation of nitrogen and methane with residue turboexpansion

1990-10-18

1991-08-20

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 31, 62 39, F25J 302

Patent

active

050411497

ABSTRACT:
A method for separating nitrogen and methane by cryogenic distillation wherein methane residue is turboexpanded to generate refrigeration to drive the separation.

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