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Reduction of TiO_2 in Molten CaCl_2 by Ca Deposited during CaO Electrolysis

机译:CaO电解过程中沉积的Ca还原熔融CaCl_2中的TiO_2

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Fundamental experiments are conducted to confirm the calcium reactivity with titanium oxide in the molten calcium chloride. The TiO_2 samples placed in the molten salt could be reduced without any electron supply to TiO_2. In the close vicinity of cathode. TiO_2 could be successfully reduced to cc-Ti with 1600 mass ppm oxygen. However, the strong stirring of the melt disturbed the calcium distribution near the cathode and the reduction was incomplete. These findings supported the proposed mechanism that Ca deposited on the cathode and it dissolved immediately into the molten salt. The parasite reactions consumed the dissolved Ca quickly, and they suppressed the effective reduction and subsequent deoxidation.
机译:进行基础实验以确认熔融氯化钙中钙与氧化钛的反应性。可以减少置于熔融盐中的TiO_2样品,而无需向TiO_2提供任何电子。在阴极附近。可用1600质量ppm的氧气将TiO_2成功还原为cc-Ti。但是,强烈的熔体搅拌扰乱了阴极附近的钙分布,还原没有完成。这些发现支持了所提出的机制,即Ca沉积在阴极上并立即溶解在熔融盐中。寄生虫反应迅速消耗了溶解的Ca,抑制了有效的还原反应和随后的脱氧反应。

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