FLUORINE PRODUCTION METHOD

The invention relates to fluorine production, in particular to methods for producing fluorine from solid-phase metal fluorides and the complex salts thereof by thermal decomposition. Gaseous fluorine is used for many purposes such as the production of fluorine compounds by direct fluorination, for m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LVOV, VIKTOR ALEXEYEVICH, SAPOZHNIKOV, MIKHAIL VASILYEVICH, SHOPEN, VIKTOR PANTELEYMONOVICH, RABINOVICH, ROSTISLAV LEONIDOVICH, MENSHOV, VLADIMIR SERGEYEVICH, KUZNETZOV, ANDREY SERGEYEVICH, PETROV, YURY ALEXEYEVICH, BARABANOV, VALERY GEORGIYEVICH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to fluorine production, in particular to methods for producing fluorine from solid-phase metal fluorides and the complex salts thereof by thermal decomposition. Gaseous fluorine is used for many purposes such as the production of fluorine compounds by direct fluorination, for met al welding, for producing protective films on metals during machining metals an d alloys, etc and in the form of etching reagent for microelectronics. Mangane se salts with a high fluorine content, i.e. manganese tetrafluoride MnF4 and other salts, for example K3NiF7, K2NiF7, K2CuF6 and analogous compounds are used as initial compounds. The invention ensures a fluorine yield which is equal or higher than 99.0 %. The inventive method is safe and easily used fo r production.