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Electrorefining vanadium in a molten bromide electrolyte.

Authors
Sullivan-TA; Cattoir-FR
Source
Bolder City, NV: U.S. Department of the Interior, Bureau of Mines, RI 6631, 1965 Jan; :1-12
Link
NIOSHTIC No.
20036652
Abstract
High-purity vanadium metal was prepared by electrorefining commercial vanadium in a molten sodium bromide, potassium bromide, and vanadium dibromide electrolyte. Variables investigated were operating temperature, current densities, electrolyte composition, and condition of the anode. The purity of the refined metal was in the range of 99.95 percent vanadium. Iron and oxygen in the 50- to 250-ppm range were the only major impurities. Metal with hardness numbers of 50 to 60 in the Rockwell F scale was prepared from feed material with a Rockwell B hardness of 90. The arc-melted metal was highly ductile and could be cold-worked into sheet or foil.
Keywords
Metal-refining; Metallurgical-processes; Metallurgy; Vanadium-compounds
Publication Date
19650101
Document Type
Report of Investigations
Fiscal Year
1965
NTIS Accession No.
NTIS Price
Identifying No.
RI-6631
NIOSH Division
BCMRL
Source Name
Bolder City, NV: U.S. Department of the Interior, Bureau of Mines, RI 6631
State
NV
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