(19)
(11) EP 0 996 493 A1

(12)

(43) Date of publication:
03.05.2000 Bulletin 2000/18

(21) Application number: 98938603.2

(22) Date of filing: 04.06.1998
(51) International Patent Classification (IPC)7: B01D 53/047, B01D 53/053, C01B 13/02, C01B 21/04
(86) International application number:
PCT/EP9803/351
(87) International publication number:
WO 9855/207 (10.12.1998 Gazette 1998/49)
(84) Designated Contracting States:
AT BE CH CY DE ES GR LI PT

(30) Priority: 06.06.1997 IT FI970138

(71) Applicant: Italfilo di Milli Ottavio & C. S.A.S.
58100 Grosseto (IT)

(72) Inventor:
  • MILLI, Ottavio
    I-58100 Grosseto (IT)

(74) Representative: Berdux, Klaus, Dipl.-Ing. 
Höhenstrasse 17
63829 Krombach
63829 Krombach (DE)

   


(54) PROCESS AND PLANT FOR THE SEPARATION OF NITROGEN AND OXYGEN FROM GASES RICH OF NITROGEN AND/OR OXYGEN