PROCESS AND APPARATUS FOR OBTAINING NEON

WIPO Patent Application WO/2012/045450

A3

A process (200) is proposed for obtaining neon by cryogenic means from a neon-containing gas mixture (E), in which, after cooling (C1, C2) the gas mixture (E) at a predetermined pressure, a neon-rich liquid fraction is obtained (3) from the gas mixture (E) by condensation and purified (S), in which the gas mixture (E) is cooled (C1, C2) stepwise by heat exchange against helium in a helium cooling circuit (30).

JP3784854	PROCESS AND INSTALLATION FOR SEPARATION OF GASEOUS MIXTURE BY CRYOGENIC DISTILATION
JPS6091177	WHOLE LOW PRESSURE TYPE AIR DEEP SEPARATING METHOD
JPS63306384	AUTOMATIC CHANGEOVER CONTROL METHOD OF CIRCULATING ADSORBER

KUNZ CHRISTIAN (DE)
FLUEGGEN RAINER (DE)
EICHELMANN ROBERT (DE)

PCT/EP2011/004971

February 14, 2013

October 05, 2011

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LINDE AG (DE)
KUNZ CHRISTIAN (DE)
FLUEGGEN RAINER (DE)
EICHELMANN ROBERT (DE)

F25J3/04; F25J3/02

FR1578463A	1969-08-14
US3854913A	1974-12-17
DE102008053846A1	2010-05-06
US3854914A	1974-12-17

GÜNTER PH PEER: "Gewinnung von reinstem Neon", LINDE BERICHTE AUS TECHNIK UND WISSENSCHAFT,, no. 26, 1 July 1969 (1969-07-01), pages 32 - 36, XP001253985
BONDARENKO V ET AL: "WAVE CRYOGENERATORS APPLIED IN TECHNOLOGIES OF RARE GAS SEPARATION", INTERNATIONAL CONGRESS OF REFRIGERATION. PROCEEDINGS - CONGRESINTERNATIONAL DU FROID. COMPTES RENDUS, XX, XX, 21 August 2007 (2007-08-21), pages 1 - 8, XP001543123
EUGENE GUCCIONE: "Liquefaction Plant Places Neon Among Top Cryogenic Fluids", PROCESS FLOWSHEET,, vol. 70, no. 18, 2 September 1963 (1963-09-02), pages 68 - 70, XP001253977

LINDE AKTIENGESELLSCHAFT (Dr.-Carl-von-Linde-Str. 6-14, Pullach, DE)

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