Catalyst for hydrogen-amine D exchange

Details Catalyst for hydrogen-amine D exchange Catalyst for hydrogen-amine D exchange

1974-06-26

1976-11-30

McCarthy, Helen M.

Chemistry of inorganic compounds

Hydrogen or compound thereof

Elemental hydrogen

252431N, 260563R, 423580, B01D 5932, B01J 3112

Patent

active

039950174

ABSTRACT:
A process for deuterium isotopic enrichment (suitable for use in heavy water production) by amine-hydrogen exchange in which the exchange catalyst comprises a mixture of alkyl amides of two metals selected from the group consisting of the alkali metals. Catalyst mixtures comprising at least one of the alkali amides of lithium and potassium are preferred. At least one of the following benefits are obtained:decreased hydride formation, decreased thermal decomposition of alkyl amide, increased catalyst solubility in the amine phase, and increased exchange efficiency.

REFERENCES:
patent: 2685604 (1954-08-01), Humphreys
patent: 3133793 (1964-05-01), LeFrancois et al.
patent: 3457041 (1969-07-01), Klein et al.
patent: 3716621 (1973-02-01), Rae
patent: 3716623 (1973-02-01), Bancroft
Makhua, R. C. et al., "Potassium Methylamide; Preparation & Infrared Spectrum", Can. J. Chem., 49 (5) Mar. 1, 1971, pp. 807-809.

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