Nitrogen and oxygen via chemical air separation

Details Nitrogen and oxygen via chemical air separation Nitrogen and oxygen via chemical air separation

1980-03-06

1981-09-01

Thomas, Earl C.

Chemistry of inorganic compounds

Oxygen or compound thereof

423219, C01B 1300

Patent

active

042871700

ABSTRACT:
A chemical process for separating air into both oxygen and purified nitrogen is disclosed. Bulk oxygen removal is accomplished using an oxygen acceptor such as molten alkali nitrite solution, SrO, or Pr-Ce oxides. The remaining oxygen is removed by reaction with a scavenger such as MnO or others. The oxidized scavenger is regenerated by a reducing gas, and the heat released by the combined scavenging reactions is used to furnish at least part of the energy required by the acceptor process.

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patent: 3856928 (1974-12-01), Tarman et al.
patent: 3980763 (1976-09-01), Mullhaupt
patent: 4132766 (1979-01-01), Erickson
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.

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