EP 1582830 A1 20051005 - Process and apparatus for the cryogenic separation of air
Title (en)
Process and apparatus for the cryogenic separation of air
Title (de)
Verfahren und Apparatus zur Tieftemperaturluftzerlegung
Title (fr)
Procédé et dispositif pour la séparation cryogénique de l'air
Publication
Application
Priority
EP 04251844 A 20040329
Abstract (en)
Air is separated in a cryogenic distillation system operating a dual reboiler/condenser cycle. Refrigeration for the system is usually provided by expanding a process stream. In the present invention, refrigeration is provided by introducing from an external source at least one refrigerant.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
F25J 3/04254 (2013.01 - EP US); F25J 3/0426 (2013.01 - EP US); F25J 3/04418 (2013.01 - EP US); F25J 3/04424 (2013.01 - EP US); F25J 2200/54 (2013.01 - EP US); F25J 2210/42 (2013.01 - EP US); F25J 2210/50 (2013.01 - EP US)
Citation (search report)
- [X] US 4668260 A 19870526 - YOSHINO AKIRA [JP]
- [X] US 2003110796 A1 20030619 - RAMPP AUGUSTIN [DE], et al
- [X] US 5743112 A 19980428 - YAMAMOTO TAKAO [JP], et al
- [X] US 6185960 B1 20010213 - VOIT JUERGEN [DE]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1582830 A1 20051005; CN 1677040 A 20051005; US 2005210916 A1 20050929
DOCDB simple family (application)
EP 04251844 A 20040329; CN 200510068588 A 20050329; US 8345105 A 20050318