METHOD FOR REFINING TI

PURPOSE:To continuously produce high purity Ti by carrying out electrolysis while replenishing a specified amt. or more of crude Ti when crude Ti is electrolytically refined. CONSTITUTION:When crude Ti is electrolytically refined by a molten salt electrolysis method, electrolysis is carried out whil...

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Bibliographic Details
Main Authors SHINDO YUICHIRO, MIYAZAKI HIDEO, KUROKI MASAMI
Format Patent
LanguageEnglish
Published 21.06.1994
Edition5
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
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Summary:PURPOSE:To continuously produce high purity Ti by carrying out electrolysis while replenishing a specified amt. or more of crude Ti when crude Ti is electrolytically refined. CONSTITUTION:When crude Ti is electrolytically refined by a molten salt electrolysis method, electrolysis is carried out while intermittently replenishing crude Ti by an amt. equal to or larger than the weight of electrodeposited Ti. The purity of the crude Ti is not especially limited but commercially available Ti having 99-99.99wt.% purity is generally used. A metal not contaminating electrodeposited high purity Ti, e.g. Ti, Ni, W or Mo is used as the cathode but Ti, especially Ti having higher purity than the objective purity is preferably used. High purity (>=6N) Ti can be continuously produced from crude Ti by the molten salt electrolysis method.
Bibliography:Application Number: JP19920351541