Chemistry of inorganic compounds – Rare earth compound
Patent
1978-02-24
1979-02-20
Carter, Herbert T.
Chemistry of inorganic compounds
Rare earth compound
423592, 423608, 423636, C01F 1700, C01G 2502, C01F 502
Patent
active
041407717
ABSTRACT:
An improved process for preparing active oxide powders in which cation hydroxide gels, prepared in the conventional manner are chemically dried by alternately washing the gels with a liquid organic compound having polar characteristics and a liquid organic compound having nonpolar characteristics until the mechanical water is removed from the gel. The water-free cation hydroxide is then contacted with a final liquid organic wash to remove the previous organic wash and speed drying. The dried hydroxide treated in the conventional manner will form a highly sinterable active oxide powder.
REFERENCES:
patent: 2610104 (1954-09-01), Friedel
patent: 3254949 (1966-06-01), Clearfield
Hardy et al., "ORNL-4000", Oak Ridge National Lab., Oak Ridge, Tenn., Aug. 967, 65 pages.
Berard Michael F.
Dole Stephen L.
Hunter, Jr. Orville
Scheidecker Ralph W.
Shiers Loren E.
Carlson Dean E.
Carter Herbert T.
Jackson Frank H.
The United States of America as represented by the Department of
Weinberger James W.
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