Patent Number: 6,253,577

Title: Cryogenic air separation process for producing elevated pressure gaseous oxygen

Abstract: A cryogenic air separation process having improved flexibility and operating efficiency for producing elevated pressure gaseous oxygen by vaporizing pressurized liquid oxygen wherein refrigeration generation for the process is decoupled from the flow of process streams and is produced by one or more multicomponent refrigerant fluid circuits.

Inventors: Arman; Bayram (Grand Island, NY), Bonaquist; Dante Patrick (Grand Island, NY), Weber; Joseph Alfred (Cheektowaga, NY), Vincett; Mark Edward (Lancaster, NY)

Assignee: Praxair Technology, Inc.

International Classification: F25J 3/04 (20060101); F25J 003/00 ()

Expiration Date: 07/03/2018