EP 0218741 A1 19870422 - Process to produce a krypton-xenon concentrate and a gaseous oxygen product.
Title (en)
Process to produce a krypton-xenon concentrate and a gaseous oxygen product.
Title (de)
Verfahren zur Gewinnung eines Krypton-Xenonkonzentrats und ein gasförmiges Sauerstoffprodukt.
Title (fr)
Procédé pour la préparation d'un concentré crypton-xénon et un produit gazeux d'oxygène.
Publication
Application
Priority
EP 85113014 A 19851014
Abstract (en)
A krypton-xenon concentration process which also produces substantially rare gas-free oxygen gas [15,42] while requiring a stripping column substantially smaller than is required by conventional process wherein feed liquid [36] is provided directly to a reboiling zone [40] and only the vapor from the reboiling [41] zone is passed through the stripping column
IPC 1-7
IPC 8 full level
F25J 3/04 (2006.01)
CPC (source: EP)
F25J 3/04303 (2013.01); F25J 3/04412 (2013.01); F25J 3/04745 (2013.01); F25J 2200/34 (2013.01); F25J 2200/94 (2013.01); F25J 2205/30 (2013.01); F25J 2250/20 (2013.01)
Citation (search report)
- [A] US 4384876 A 19830524 - MORI TATSUO [JP], et al
- [A] US 4421536 A 19831220 - MORI TATSUO [JP], et al
- [A] US 4401448 A 19830830 - LA CLAIR LOUIS M [US]
- [A] FR 2113843 A3 19720630 - MESSER GRIESHEIM GMBH [DE]
- [A] GB 1189975 A 19700429 - MESSER GRIESHEIM GMBH [DE]
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0218741 A1 19870422; EP 0218741 B1 19891213; AT E48691 T1 19891215; DE 3574770 D1 19900118
DOCDB simple family (application)
EP 85113014 A 19851014; AT 85113014 T 19851014; DE 3574770 T 19851014