INVESTIGATION OF ELECTROLYTIC PROCESSES FOR PREPARATION OF HIGH PURITY NIOBIUM METAL
Technical Report
·
OSTI ID:4176009
An investigation of the electrolytic preparation of niobium by fused salt electrolysis was conducted along two lines. One approach comprised the direct electrolysis of molten K/sub 2/NbF/sub 7/-alkali halide mixtures using an inert graphite anode. High purity, cold-ductile metal was produced by this type of electrolysis under a variety of experimental conditions. A second process which was investigated is the electrorefining of an impure niobium, prepared by a highvacuum, high-temperature reaction of the pentoxide (Nb/sub 2/O/sub 5/) with carbon. In the investigation of the electrorefining phase, difficulty was experienced with oxygen being carried over to the cathode deposit; however, other nonmetallie impurities were successfully eliminated by this procedure. (auth)
- Research Organization:
- Horizons, Inc., Cleveland
- NSA Number:
- NSA-14-018117
- OSTI ID:
- 4176009
- Report Number(s):
- TID-6101
- Country of Publication:
- United States
- Language:
- English
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