UDC 669.054:[27+28]
G.А. Коlоbоv (1), professor, c.t.s.
K.A. Pecheritsa (2), director
А.V. Каrpenko (1), assistant
Yu.V. Mosejko (1), associate professor, c.p.s.
V.N. Оchinsky (1), senior teacher

AFFINAGE OF TUNGSTEN AND MOLYBDENUM
Zaporozhe state engineering academy, Ukraine
LTD «Trade», Zaporozhe, Ukraine
There are considered technologies of affinage of tungsten and molybdenum: elect-rolytic, method of chemical transport reactions (thermal dissociation of chlorides), refining melting (including. vacuum arc, cathode-ray, area and plasma-induction) and complex methods. The choice of method of affinage is determined by the degree of cleanness and chemical composition of initial metal.
Keywords: tungsten, molybdenum, electrolysis, thermal dissociation, burning, refin-ing melting, vacuum technologies, complex methods
AFFINAGE OF TUNGSTEN AND MOLYBDENUM
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