1. 昆明理工大学冶金与能源工程学院，云南 昆明 650093；2. 复杂有色金属资源清洁利用国家重点实验室，云南 昆明 650093
收稿日期:2017-08-21修回日期:2017-11-08出版日期:2018-06-22发布日期:2018-06-06通讯作者:华一新基金资助:国家自然科学基金青年项目Effect of SiO2 on Preparation of Ferrotitanium Alloy from Ilmenite Concentrate by Electroreduction in CaCl2 Molten Salt
Ganghua AI1, Yixin HUA1,2*, Cunying XU1,2, Teng WU1, Bo SU1, Yun WANG11. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China; 2. State Key Laboratory of Complex Nonferrous Metal Resources Cleaning Utilization, Kunming, Yunnan 650093, China
Received:2017-08-21Revised:2017-11-08Online:2018-06-22Published:2018-06-06Contact:HUA Yi-xin 摘要/Abstract
摘要： 在不同电解时间和槽电压下，添加SiO2电解还原钛铁矿精矿制备钛铁合金. 结果表明，以添加一定量SiO2的钛铁矿精矿为阴极，控制阴极中主要组元的摩尔比Ti:Fe:Si=1.2:1:0.2，以石墨棒为阳极、CaCl2熔盐为电解质，在槽电压3.2 V、温度900℃下电解2 h，可制得疏松多孔、颗粒尺寸较均匀的FeTi合金粉体. 钛铁矿精电解还原过程中会生成CaTiO3和Fe?Ti?O等中间产物，添加的SiO2在电解时会优先还原生成单质Si，并参与CaTiO3等中间产物的还原反应，降低中间产物电解还原生成FeTi合金的理论电压，有利于加快电解还原钛铁矿精矿制备钛铁合金的速率.
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艾刚华 华一新 徐存英 武腾 苏波 王运. SiO2对CaCl2熔盐电解还原钛铁矿精矿制备FeTi合金的影响[J]. 过程工程学报, 2018, 18(3): 537-543.
Ganghua AI1 Yixin HUA Cunying XU Teng WU Bo SU Yun WANG. Effect of SiO2 on Preparation of Ferrotitanium Alloy from Ilmenite Concentrate by Electroreduction in CaCl2 Molten Salt[J]. Chin. J. Process Eng., 2018, 18(3): 537-543.
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参考文献
| [1]周进华.铁合金生产技术[M]. 北京：科技出版社，1991. 384-393. [2]ZHOU Jin-hua.Ferroalloy Production Technology[M]. Beijing: Science Press, 1991. 384-393. [3]汪汉臣，王农，侯长征，等.用残钛料真空试炼高钛钛铁[J]. 铁合金，1996(1)：36-38.[J].铁合金, 1996, 01(008):36-38 [4]WANG Han-cheng, WANG Nong, HOU Chang-zheng, et al.The vacuum melting of high-Ti ferrotitanium with waste titanium[J]. Ferroalloy, 1996(1): 36-38.[J].Ferroalloy, 1996, 01(008):36-38 [5]王碧侠，兰新哲，赵西成，等.二氧化钛直接还原制取金属钛的工艺进展[J].稀有金属, 2006, 30(5):671-677 [6]WANH Bi-xia, LAN Xin-zhe, ZHAO Xi-cheng, et al.Progress in research of direct reduction of titanium dioxide to titanium[J].Chinese Journal of Rare Metals, 2006, 30(5):671-677 [7]郭胜惠，彭金辉，张世敏，等.熔盐电解法生产海绵钛的回顾和新技术开发[J]. 轻金属，2002(11)： 51-53.[J].轻金属, 2002, (11):51-53 [8]GUO Sheng-hui, PENG Jin-hui, ZHANG Shi-min, et al.Review of Production sponge titanium with molten salt electrolysis and development of New Process[J]. Light Metals, 2002(11): 51-53.[J].Light Metals, 2002, (11):51-53 [9]李春德.铁合金冶金学[M]. 北京：冶金工业出版社，2004: 161-166. [10]Li Chun-de.Metallurgy of Ferroalloy[M]. Beijing: Metallurgy Industry Press, 2004. 161-166. [11]宋雪静，魏莉，张廷安，等.高钛铁中氧形成机理分析及脱氧实验[J].过程工程学报, 2008, 8(增1):176-180 [12]SONG Xue-jing, WEI Li, ZHANG Tin-gan, et al.Analysis of forming mechanism of oxygen in high ferrotitanium and deoxidizing oxygen experiment[J].Chinese Journal of Process Engineering, 2008, 8(S1):176-180 [13]CHEN G Z, FRAY D J, FARTHING T W.Direct electrochemical reduction of titanium dioxide to titanium in molten calcium chloride[J].Nature, 2000, 407(6802):361-364 [14]CHEN G Z, FRAY D J, FARTHING T W.Cathodic deoxygenation of the alpha case on titanium and alloys in molten calcium chloride[J].Metallurgical and Materials Transactions B, 2001, 30(6):1041-1052 [15]CLAUX B, SERP J, FOULETIER J, Electrochemical reduction of cerium oxide into metal [J].Electrochimica Acta, 2011, 56(7): 2771-2780.[J].Electrochimica Acta, 2011, 56(7):2771-2780 [16]SONG Qiu-shi, XU Qian, MENG Jing-chun, et al.Preparation of niobium carbide powder by electrochemical reduction in molten salt[J]. Journal of Alloys & Compounds, 2015, 647: 245-251.[J].Journal of Alloys and Compounds, 2015, 647:245-251 [17]CHEN Kong-hao, HUA Yi-xin, XU Cun-ying, et al.Preparation of TiCSiC composites from Ti-enriched slag by an electrochemical process in molten salts[J].Ceramics International, 2015, 41(9):11428-11435 [18]刘美凤，卢世刚，阚素荣.熔盐电解直接制备钛铬合金的研究[J].稀有金属, 2008, 32(4):526-530 [19]LIU Mei-feng, LU Shi-gang, KAN Su-rong.Study on preparation of TiCr alloy by direct electrochemical reduction in molten salt[J].Chinese Journal of Rare Metals, 2008, 32(4):526-530 [20]ZOU Xing-li, LU Xiong-gang, LI Chong-he, et al.A direct electrochemical route from oxides to Ti-Si intermetallics[J].Electrochimica Acta, 2010, 55(18):5173-5179 [21]MOHANDAS K S, FRAY D J.Electrochemical Deoxidation of Solid Zirconium Dioxide in Molten Calcium Chloride[J].Metallurgical and Materials Transactions B, 2009, 40(5):685-699 [22]SONG Qiu-shi, XU Qian, KANG Xue, et al.Mechanistic insight of electrochemical reduction of Ta2O5 to tantalum in a eutectic CaCl2–NaCl molten salt[J].Journal of Alloys and Compounds, 2010, 490(1–2):241-246 [23]TAN S, ?RS T, AYDINOL M K, ?ZTURK T, et al.Synthesis of FeTi from mixed oxide precursors[J].Journal of Alloys and Compounds, 2009, 475(1–2):368-372 [24]PANIGRAHI M, SHIBATA E, IIZUKA A, et al.Production of Fe–Ti alloy from mixed ilmenite and titanium dioxide by direct electrochemical reduction in molten calcium chloride[J].Electrochimica Acta, 2013, 93(4):143-151 [25]XIONG Li, HUA Yi-xin, XU Cun-ying, et al.Effect of CaO addition on preparation of ferrotitanium from ilmenite by electrochemical reduction in CaCl2-NaCl molten salt[J]. Journal of Alloys and Compounds, 2016, 676:383-389.[J].Journal of Alloys and Compounds, 2016, 676:383-389 |
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