EP 0218741 B1 19891213 - 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
Publication
Application
Priority
EP 85113014 A 19851014
Abstract (en)
[origin: EP0218741A1] 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 (examination)
US 3768270 A 19731030 - SCHUFTAN P
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