钛作为一种重要的金属越来越为人们所重视,因此降低钛的生产成本势在必行.TiO2的直接电化学还原法是一种低能耗、无污染的绿色生产新工艺.目前国内外研究较多的制取钛的新工艺有:FFC剑桥法、EMR法和OS法等.通过TiO2电解实验得到了Ti,并进行了相关的热力学分析与计算,证明TiO2的还原是逐级进行的;同时分析了实验的主要影响因素及其控制方法,为进一步研究TiO2电解制取Ti的机理与工艺提供了一定的依据.
参考文献
| [1] | 莫畏;邓国铢;罗方承.钛冶金[M].北京:冶金工业出版社,1998:8. |
| [2] | 邓国珠.钛冶金的进展和发展方向探讨[J].稀有金属,2002(05):391-396. |
| [3] | 孙康.金属钛粉及其制取方法[J].有色矿冶,1996(04):31-33. |
| [4] | Fray DJ .Electrochemaical processing using slags,fluxes and salts[J].International Conference on Molten Slags Fluxes and Salts,2004,20:6. |
| [5] | Park Ⅱ;Takashi Abiko;Toru H Okable .Production of titanium powder directly from TiO2 in CaCl2 through an electronically mediated reaction[J].Journal of Physics and Chemistry of Solids,2005,66:410. |
| [6] | Rvosuke O Suzuki .Calciothermic Reduction of TiO2 and in situ electrolysis of CaO in the molten CaCL2[J].Journal of Physics and Chemistry of Solids,2005,66:461. |
| [7] | Oda Takashi;Mitsuda Yoshitaka .Titaniam powder production by preform reduction process[J].Journal of Alloys and Compounds,2004,32(03):12. |
| [8] | One K;Suzuki R O;Mem J O M .Calciothermic reduction of TiO2[J].Journal of the Minerals,Metals & Materials Society,2002,54(02):59. |
| [9] | Suzuki R O;Ono K.Proceedings of the 13th International Symposium on Molten Salt[M].The Electrochemical Society,Penningston,NJ,2002:810. |
| [10] | George Z Chen;Derek J Fray .Volta metric studies of the oxygen-titanium binary system in molten calcium chloride[J].Journal of the Electrochemical Society,2002,149(11):455. |
| [11] | Fray DJ;Farthing TW;Chen GZ .Removal of oxygen from metal oxides and solid solution electrolysis in a fused salt[P].WO 99/64638,1999. |
| [12] | Chen GZ;Fray DJ;Farthing TW .Direct electrochemical reduction of titanium dioxide to titanium molten calcium chloride[J].NATURE,2000,407:361. |
| [13] | 刘美凤,郭占成,卢维昌.TiO2直接电解还原过程的研究[J].中国有色金属学报,2004(10):1752-1758. |
| [14] | 李文超.冶金与材料物理化学[M].北京:冶金工业出版社,2001 |
| [15] | 魏庆成.冶金热力学[M].重庆:重庆大学出版社,1996 |
| [16] | 梁英教;车荫昌.无机物热力学数据手册[M].沈阳:东北大学出版社,1994 |
| [17] | Derek J. Fray .Emerging molten salt technologies for metals production[J].JOM,2001(10):26-31. |
| [18] | Wang Shulan;Li Yingjun.Reaction mechanism of direct electro-reduction of titanium dioxide in molten calcium chloride[J].Journal of Electroanalytical Chemistry,2004(571):37. |
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