Process and composition for separation of oxygen from air using

Details Process and composition for separation of oxygen from air using Process and composition for separation of oxygen from air using

1973-10-25

1976-09-14

Vertiz, Oscar R.

Chemistry of inorganic compounds

Oxygen or compound thereof

252462, 423219, C01B 1300, B01J 2310

Patent

active

039807630

ABSTRACT:
Oxide solid solutions of praseodymium and cerium are useful as the oxygen carrier in a reversible cyclic oxidation-reduction process for separating oxygen from air. The adverse affects on redox rates of contaminants in the air, such as CO.sub.2 and/or H.sub.2 O are substantially eliminated by incorporating a surface dopant such as silver into the praseodymium-cerium oxide.

REFERENCES:
patent: 3049403 (1962-08-01), Krumholz
patent: 3579292 (1971-05-01), Mullhaupt et al.
Faeth et al., "Praseodymium Oxide-Oxygen Generator," Journal of Chemical Education, vol. 40, 1963, pp. 150, 151.
Moriarty, Jr.: The Effects of Catalytic or Promoter Oxides on the Brin Process, Iowa Academy of Sciences, Proceedings, vol. 77, 4/10/71, pp. 360-378.
Mellor: Comprehensive Treatise on Inorganic & Theoretical Chemistry, vol. 5(1924), p. 546.

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