FIELD: metallurgy.
SUBSTANCE: method consists in supply of fluoric salts, oxygen containing aluminium and silicon-fluoric sodium into electrolyte; also alumina and/or hydro-oxide of aluminium are used as oxygen containing composition of aluminium; mixture of silicon-fluoride sodium and oxygen containing composition of aluminium is supplied into electrolyte at weight ratio 1:(1.5÷5.0) in terms of alumina; while an installation of automatic feeding of electrolytic cell is used for supply of materials into electrolyte.
EFFECT: expanded raw material base of aluminium-silicon alloy production in electrolytic cell due to utilisation of various oxygen containing compositions of aluminium in electrolysis; reduced losses of fluoric salts and silicon in electrolysis, increased efficiency and ecological compatibility of electrolytic production of aluminium.
3 cl, 1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
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| METHOD FOR OBTAINING ALUMINUM-SILICON ALLOY AND SODIUM-ALUMINUM FLUORIDES IN ELECTROLYZER FOR PRODUCTION OF ALUMINUM | 1992 |
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| METHOD FOR PROCESSING SODIUM SILICON FLUORIDE | 0 |
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| METHOD OF PREPARING GRANULAR BLEND FOR INTRODUCING ALUMINIUM ELECTROLYZERS INTO ELECTROLYTE | 1998 |
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| METHOD OF PROCESSING FLUOROCARBON-CONTAINING ALUMINIUM PRODUCTION WASTES | 2015 |
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