Global Patent Index - EP 0780649 A1

EP 0780649 A1 19970625 - A method and installation for the removal of nitrogen from natural gas

Title (en)

A method and installation for the removal of nitrogen from natural gas

Title (de)

Verfahren und Anlage zur Entfernung von Stickstoff aus Erdgas

Title (fr)

Procédé et installation pour l'élimination d'azote de gaz naturel

Publication

EP 0780649 A1 19970625 (EN)

Application

EP 96203555 A 19961216

Priority

NL 1001940 A 19951220

Abstract (en)

The invention relates to a method for the removal of nitrogen from natural gas by means of cryocondensation. According to the invention liquid oxygen is used as the cooling means. Usually the natural gas has a nitrogen content of about 14% by volume. The invention further relates to an installation for the removal of nitrogen from natural gas. <IMAGE>

IPC 1-7

F25J 3/06

IPC 8 full level

F25J 3/06 (2006.01)

CPC (source: EP)

F25J 3/061 (2013.01); F25J 3/0635 (2013.01); F25J 3/066 (2013.01); F25J 2205/02 (2013.01); F25J 2210/50 (2013.01); F25J 2270/904 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0780649 A1 19970625; EP 0780649 B1 20010704; AT E202840 T1 20010715; DE 69613664 D1 20010809; DE 69613664 T2 20020529; NL 1001940 C2 19970624; PL 317602 A1 19970623

DOCDB simple family (application)

EP 96203555 A 19961216; AT 96203555 T 19961216; DE 69613664 T 19961216; NL 1001940 A 19951220; PL 31760296 A 19961219