METHOD FOR SEPARATING AND REFINING POTASSIUM FLUORIDE

PURPOSE:To reclaim a salt mixtvre by-produced in alkaline metal reduction of tantalum potassium fluoride as a dilute salt by recovering, recycling and refining the salt mixture. CONSTITUTION:The salt mixture by-produced in alkaline metal reduction of the tantalum potassium fluoride is dissolved in w...

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Bibliographic Details
Main Authors TAKAHASHI SHUJI, YANO KATSUJI
Format Patent
LanguageEnglish
Published 22.11.1994
Edition5
Subjects
CASTING
CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
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Summary:PURPOSE:To reclaim a salt mixtvre by-produced in alkaline metal reduction of tantalum potassium fluoride as a dilute salt by recovering, recycling and refining the salt mixture. CONSTITUTION:The salt mixture by-produced in alkaline metal reduction of the tantalum potassium fluoride is dissolved in water of less than the volume necessary for potassiun fluoride and potassium chloride in the salt mixture to dissolve. The potassium fluoride and potassium chloride crystallized condensation recrystallization are recycled again as the dilute salt of the tantalum potassium fluoride reduction.
Bibliography:Application Number: JP19920063590