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美国一项专利(专利号5108490)提出用碘化物精炼海绵钛的方法.采用此法时,在一个反应器内,在700～900℃下产生反应,并生成TiI_2和TiI_3,而次级碘化物分解成四碘化物和钛是在另一个反应器内用白炽灯丝在温度1100～1300℃(最好1150℃)下进行.装置
A U.S. patent (Patent No. 5108490) proposes a method of refining titanium sponge with iodide using this method to produce a reaction at 700-900C in a reactor to produce TiI2 and TiI3 while a secondary iodide Decomposition into tetra-iodide and titanium is carried out in an additional reactor with an incandescent filament at a temperature of 1100-1300 ° C (preferably 1150 ° C).