(19)
(11)
EP 0 668 792 A1
(12)
(43)
Date of publication:
30.08.1995
Bulletin 1995/35
(21)
Application number:
94901073.0
(22)
Date of filing:
11.11.1993
(51)
International Patent Classification (IPC):
B01D
53/
14
( . )
B01D
53/
26
( . )
(86)
International application number:
PCT/NO1993/000166
(87)
International publication number:
WO 1994/011090
(
26.05.1994
Gazette 1994/12)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
13.11.1992
NO 19920004381
(71)
Applicant:
NORSK HYDRO A/S
N-0240 Oslo 2 (NO)
(72)
Inventor:
EIMER, Dag, Arne
N-3900 Porsgrunn (NO)
(74)
Representative:
Allam, Peter Clerk
LLOYD WISE, TREGEAR & CO. Norman House 105-109 Strand
London WC2R 0AE
London WC2R 0AE (GB)
(54)
PRE-TREATMENT OF NATURAL GAS TO BE CONDENSED TO LIQUEFIED NATURAL GAS (LNG)