Patent Number: 6,167,723

Title: Installation for the distillation of air and corresponding cold box

Abstract: In this installation (1) for the distillation of air in a double column, the low pressure column and the medium pressure column are disposed side by side and the base of the low pressure column (3) is above the base of the medium pressure column (2). The low pressure column is disposed above an element for confining a cryogenic fluid which can be a mixing column (5), an argon column, a column operating at a pressure intermediate the medium pressure and the low pressure, a storage (32) or an exchanger.

Inventors: Guillard; Alain (Paris, FR)

Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude

International Classification: F25J 3/04 (20060101); F25J 001/00 ()

Expiration Date: 01/02/2018