Ethylene processing using components of natural gas processing

Details Ethylene processing using components of natural gas processing Ethylene processing using components of natural gas processing

1998-05-22

2000-02-08

Doerrler, William

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62935, F25J 500

Patent

active

060216476

ABSTRACT:
Disclosed are methods of and means for producing ethylene by chilling the ethylene plant demethanizer heat exchange train with a refrigerated stream or streams from a cryogenic natural gas plant effective to provide ethylene level refrigeration, by condensing the ethylene distillation tower overhead with ethylene level refrigeration stream or streams from the cryogenic natural gas plant, by refluxing the ethylene plant demethanizer distillation column with a predominantly liquid methane mixture from the cryogenic natural gas plant, and by combinations thereof. Significant advantages in capital and operating costs associated with ethylene production.

REFERENCES:
patent: 2577701 (1951-12-01), Deming et al.
patent: 3309882 (1967-03-01), Cabanaw
patent: 3367122 (1968-02-01), Tutton
patent: 3444696 (1969-05-01), Geddes et al.
patent: 5768913 (1998-06-01), McCue et al.

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