APPARATUS AND PROCESS FOR SEPARATION BY CRYOGENIC DISTILLATION
Application IN/PCT/2001/1093/CHE published 2007-09-14, filed 2001-08-02
A cryogenic distillation apparatus comprising at least two columns, at least a first column of which, which is that or one of those designed to operate at the highest pressure, has a shell made of stainless steel or steel containing more than 9 and up to 10 wt% nickel, means for sending a mixture to be separated to one of the columns, possibly the first column, and means for withdrawing the fluids, enriched with one component of the mixture, from one of the columns, characterized in that the first column is designed to withstand pressures greater than 4.5 bar and/or in that the diameter of the column is greater than 4 meters.
Applicant
1)L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
:75, quai d'Orsay F-75321 Paris Cedex 07 France
Inventor
1)GUILLARD, Alain 2)SAULNIER, Bernard
International Info
Classification: F25J 3/04
Publication Number: WO/2001/042726
Application Date: 2000-12-07
Priority Information
99/15557 France 1999-12-09