Research Progress in Direct Reduction of TiO2 to Titanium
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摘要: 介绍了二氧化钛直接还原法提取金属钛的各种工艺,包括:剑桥大学发明的FFC工艺、Ono和Suzuki提出的OS(钙热还原)工艺、Park等将EMR(电子中介反应)和MSE(融盐电解)的概念结合起来用于TiO2的金属热还原以及Okabe等提出的PRP(预制还原)工艺。并在此基础上对比分析了这些新工艺各自的特点,综述了国内有关直接还原法提取金属钛的研究进展,指出二氧化钛直接还原法提取金属钛工艺最有希望取代传统的Kroll法。Abstract: A series of direct reduction process of TiO2 to Ti was introduced based on the calciothermic reduction of TiO2 power in molten CaCl2 salt during electrolysis,which include FFC process developed by Cambridge University,OS process developed by Ono and Suzuki,metal thermal reduction process of TiO2 developed by Park researchers combined the electronically mediated reaction (EMR) and molten salt electrolysis (MSE),and the preform reduction process (PRP) put forward by Okabe.The development in China of the direct reduction of titanium dioxide to titanium was introduced and the technical keys were discussed.It's concluded that the Cambridge's FFC process has the potential to replace the conventional Kroll process.
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