Oxygen selective sorbents

Details Oxygen selective sorbents Oxygen selective sorbents

B - Operations, Transporting

01

J

B01J 20/22 (2006.01) B01D 53/02 (2006.01) B01J 20/02 (2006.01) C01B 13/02 (2006.01) C01B 21/04 (2006.01) C01B 23/00 (2006.01)

Patent

CA 2226810

The invention is directed to an oxygen selective material for separating oxygen from oxygen-containing gas mixtures, the material comprising a transition element complex comprising a first transition element ion and one or more chelating ligands, wherein: i) the chelating ligand or ligands provides up to four electron donor sites to the transition element ion; ii) the chelating ligand or ligands provides an intermolecular electron donor site to the second transition element ion which is contained in the second discrete transition element complex; and iii) the chelating ligand or ligands contains at least one substituent that inhibits µ-peroxo dimer formation on the complex; wherein when the complex is in deoxy form, the total number of electron donor sites to the first transition element ion is five.

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