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Titanium electrorefining process, carried out in cell with anode formed by molten titanium mixture, solid titanium cathode and electrolyte comprising molten salt and titanium dichloride
Titanium electrorefining process, carried out in cell with anode formed by molten titanium mixture, solid titanium cathode and electrolyte comprising molten salt and titanium dichloride
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机译：钛电精炼工艺，在电解槽中进行，阳极由熔融钛混合物，固体钛阴极和含熔盐和二氯化钛的电解质组成
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摘要
Titanium is dissolved in a metal which is more inert and this mixture is melted to forming the anode. Electrolysis is then carried out using an electrolyte comprising a molten salt mixture and titanium dichloride, and a solid titanium cathode. A process for electrorefining titanium from a metal mixture in an electrolysis cell comprises the following steps: (A) dissolving the titanium in at least one different metal which is more inert than titanium; (B) forming an anode by melting the titanium-containing mixture; (C) using an electrolyte comprising a molten salt mixture and titanium dichloride; and (D) using a cathode comprising solid titanium. Independent claims are also included for the following: (1) method for preparing a metal mixture comprising titanium and at least one other metal which is more inert than titanium, by preparing a solution of titanium in the metal by adding rutile, titania or titanium tetrachloride to an electrolysis cell containing a graphite anode, an electrolyte comprising a liquid calcium chloride mixture, and a cathode formed by one or more liquid metals which are more inert than titanium; and (2) apparatus for carrying out the first method.
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