US 7,591,878 B2
Membrane gas separation
Paul Hubert M. Feron, Apeldoorn (Netherlands); Vladimir Vasilevich Volkov, Moscow (Russian Federation); Valery Samuilovich Khotimsky, Moscow (Russian Federation); and Vladimir Vasil'evich Teplyakov, Moscow (Russian Federation)
Assigned to Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNO, Delft (Netherlands)
Filed on Dec. 29, 2006, as Appl. No. 11/617,842.
Application 11/617842 is a continuation of application No. PCT/NL2005/000465, filed on Jul. 01, 2005.
Claims priority of application No. 1026537 (NL), filed on Jul. 01, 2004.
Prior Publication US 2007/0214957 A1, Sep. 20, 2007
Int. Cl. B01D 53/22 (2006.01); B01D 19/00 (2006.01); B01D 71/44 (2006.01)
U.S. Cl. 95—46  [95/51; 96/6; 96/8; 96/10; 96/11; 96/13; 96/14; 210/640] 13 Claims
OG exemplary drawing
 
1. A method for separating CO2 from a CO2-rich liquid, comprising a step wherein, under elevated pressure, said liquid is contacted with a membrane based on polyacetylene substituted with trimethylsilyl groups, such that the pressure difference across the membrane is at least 1 bar and that at least a part of the CO2 is transported from the liquid through the membrane.