A REVIEW OF THE EXTRACTIVE METALLURGY OF NIOBIUM

Author: Sibert, M. E.
Published: United States : [publisher not identified], 1950.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1950.
Physical Description: microopaque : positive ; 8 x 13 cm
Additional Creators: Kolk, Jr., A. J. and Steinberg, M. A.

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Summary

BS>The preparation of niobium was attempted by a number of chemical and electrochemical routes. Chemical reduction of oxides and halides such as Nb/sub 2/O/sub 5/, K/sub 2/NbOF/sub 5/, K/sub 2/NbF/sub 7/, and NbCl/sub 5/ was conducted with varying degrees of success. Aqueous electrochemical reduction has not yet yielded a metallic deposit. The electrolysis of molten baths containing K/sub 2/NbOF/sub 5/ or K/sub 2/NbF/sub 7/ produced niobium metal. The more promising methods of preparation for Nb metal at the present time include the reaction of Nb/sub 2/O/sub 5/ with C, the H/sub 2/ and active metal reduction of NbC1/sub 5/, and electrolysis of K/sub 2/NbF/sub 7/- NaC1 melts. (auth)

Report Numbers

TID-6100

Other Subject(s)

Collection

U.S. Atomic Energy Commission depository collection.

Note

DOE contract number: AT(30-1)-1894
NSA number: NSA-14-017847
OSTI Identifier 4178405
Research organization: Horizons, Inc., Cleveland.

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A REVIEW OF THE EXTRACTIVE METALLURGY OF NIOBIUM

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