Cyanocobaltate oxygen adducts

Details Cyanocobaltate oxygen adducts Cyanocobaltate oxygen adducts

C - Chemistry, Metallurgy

07

F

C07F 15/06 (2006.01) B01J 20/02 (2006.01) B01J 20/04 (2006.01) C01C 3/11 (2006.01)

Patent

CA 2062696

PATENT 173PUSO4482 ABSTRACT A process is provided for selectively separating oxygen from an oxygen-containing fluid stream by bringing said fluid stream into contact with a high capacity solid state cyanocobaltate complex in a non-aluminosilicate environment represented by the chemical formula: Image where: A is an alkali, alkaline earth transition or Group 12 metal atom; z is l, 2 or 3; n is any number from 3 to 5; x is n - 2; p is any number from greater than zero to 6; and S is a ligand which is capable of coordinating with AZ+, Co or both. These complexes chemically bind oxygen to form novel oxygen adducts, thereby selectively removing oxygen from the fluid stream. The bound oxygen may be recovered by increasing the temperature or by reducing the partial pressure of O2 above the adduct.

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