Magnesium, titanium, rare metals, semiconductors | |
Название | Electrochemical processing of wastes of rare refractory metals under the action of alternate current |
Автор | Levchuk O. M., Palant A. A., Bryukvin V. A., Levin A. M., Tsybin O. I. |
Информация об авторе | O. M. Levchuk, Junior Researcher, phone: (499) 135-94-70; A. A. Palant, Professor; V. A. Bryukvin, Professor; A. M. Levin, Leading Researcher; O. I. Tsybin, Researcher, The Baykov Institute of Metallurgy and Material Science of the Russian Academy of Sciences. |
Реферат | The researches of electrochemical processing of metal wastes and wastes of different alloys under the action of alternate current with industrial frequency (50 cycles per second) have been realized. It has been shown that described condition greatly activated process of anode dissolving compared with process of their chemical oxidation. The solutions of different mineral acids (HCl, HNO3, H2SO4), soda solution, caustic soda and ammonia have been used as electrolytes. The process of electrochemical obtaining of rhenium acid (HReO4) by the way of wastes dissolution of metal rhenium in solution of nitrogen acid has been researched. The technological schemes of electrochemical processing of different W, Mo, Re wastes with obtaining quality commercial products (surface active agents, TiO2, Co3O4, KReO4) have been proposed on the base of realized researches. |
Ключевые слова | Rare metals, metal wastes, carbide wastes, electrochemical oxidation, tungsten, molybdenum, rhenium, current output, dissolution rate. |
Библиографический список | 1. Naumov A. Natsionalnaya metallurgiya – National Metallurgy. 2008. No. 2. pp. 43–53. 2. Leytman V. S. Stal. 2008. No. 3. pp. 47–50. 3. Zelikman A. N. Metallurgiya tugoplavkikh redkikh metallov (Metallurgy of churlish rare metals). Moscow, 1986. 440 p. 4. Atanasyants A. G. Anodnoe povedenie metallov (Anode metals behavior). Moscow, 1989. 150 p. 5. Shulgin L. P. Khimiya, khimicheskaya tekhnologiya i metallurgiya redkikh elementov. Apatity : KOFAN, 1982. pp. 114–125. 6. Guriev R. A. Izvestiya vuzov. Tsvetnaya metallurgiya - News of Higher Schools. Non-ferrous Metallurgy Transaction. 1981. No. 3. pp. 40–44. 7. Ravdel A. A. Kratkiy spravochnik fiziko-khimicheskikh veli ch in (Quick-reference Book of Physical-chemical Quantity). St. Petersburg, 1999. 231 p. 8. Falkovskiy V. A., Klienko L. I. Tverdye splavy (Hard Alloys). Moscow, 2005. 414 p. |
Language of full-text | русский |
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