Global Patent Index - EP 0218740 B1

EP 0218740 B1 19890927 - PROCESS TO PRODUCE A KRYPTON-XENON CONCENTRATE FROM A LIQUID FEED

Title (en)

PROCESS TO PRODUCE A KRYPTON-XENON CONCENTRATE FROM A LIQUID FEED

Publication

EP 0218740 B1 19890927 (EN)

Application

EP 85113013 A 19851014

Priority

EP 85113013 A 19851014

Abstract (en)

[origin: EP0218740A1] A process which produces a krypton-xenon concentrate from a liquid feed while also producing a liquid product substantially free of rare gases. The process employs an integral heat pump circuit 44, 45, 38, 46, 47 to carry out the separation in an energy-efficient manner.

IPC 1-7

F25J 3/02

IPC 8 full level

F25J 3/04 (2006.01)

CPC (source: EP)

F25J 3/04363 (2013.01); F25J 3/04412 (2013.01); F25J 3/04745 (2013.01); F25J 3/04963 (2013.01); F25J 2200/34 (2013.01); F25J 2200/40 (2013.01); F25J 2200/76 (2013.01); F25J 2200/94 (2013.01); F25J 2235/50 (2013.01); F25J 2290/62 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0218740 A1 19870422; EP 0218740 B1 19890927; AT E46761 T1 19891015; DE 3573307 D1 19891102

DOCDB simple family (application)

EP 85113013 A 19851014; AT 85113013 T 19851014; DE 3573307 T 19851014