Oxygen/nitrogen production with molten alkali salts

Chemistry of inorganic compounds – Nitrogen or compound thereof

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4232105, 423219, 423579, C01B 2104, C01B 1302, B01D 5334

Patent

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045295778

ABSTRACT:
Method of separating oxygen or nitrogen from air using as an oxygen acceptor composition a molten solution of alkali metal salt of a cation composition of sodium and potassium cations and an anion composition of 50 to 94% nitrate, 4 to 25% nitrite and combined oxide, peroxide and superoxide wherein said oxides are present in less than 1 mol % based on sodium peroxide.

REFERENCES:
patent: 4132766 (1979-01-01), Erickson
patent: 4287170 (1981-09-01), Erickson
patent: 4340578 (1982-07-01), Erickson

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