METHOD FOR JOINTLY REUSING ZIRCONIUM DIOXIDE AND SILICON TETRAFLUORIDE

FIELD: chemical engineering and protection of environment. SUBSTANCE: gaseous silicon tetrafluoride is passed through powdered zirconium dioxide at 700-1100 C and resulting products are separated into zirconium tetrafluoride and mixture of formed zircon and unreacted zirconium dioxide. EFFECT: reuse...

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Bibliographische Detailangaben
Hauptverfasser:	D'JACHENKO A.N, GUZEEV V.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INORGANIC CHEMISTRY METALLURGY
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Beschreibung
Zusammenfassung:	FIELD: chemical engineering and protection of environment. SUBSTANCE: gaseous silicon tetrafluoride is passed through powdered zirconium dioxide at 700-1100 C and resulting products are separated into zirconium tetrafluoride and mixture of formed zircon and unreacted zirconium dioxide. EFFECT: reused zirconium dioxide and silicon tetrafluoride to give valuable zirconium products: high-purity zircon and zirconium tetrafluoride.