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《Journal of Chongqing University of Technology(Natural Science)》 2017-08
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Study on Influence Factors of High Temperature Carbonization of Ti-Bearing Blast Furnace Slag for Preparation of TiC

LONG Yu;ZHANG Xinjian;LI Shulan;LIU Qingcai;REN Shan;MENG Fei;Shougang Shuicheng Iron & Steel (Group) Co.,Ltd.;College of Materials Science and Engineering,Chongqing University;  
The high-temperature carbonization process for preparation of TiC was researched. The raw material was the Ti-bearing BF slag of Pangang. On the basis of analysis of mineral phase composition of the slag and the thermodynamics principle of high-temperature carbonization process,the effect of particle size of slag, the ratio of slag to pulverized coal, carbonization temperature on TiO_2 carbonization reaction were studied and the optimizing operating parameters were obtained. The resultsshow that: TiO_2 carbonation rate rises with the decrease of particle size of slag,the reduction of the ratio of slag to pulverized coal and the rise of temperature. The optimizing operating parameters are as follows: the size of blast furnace slag is below 200 mesh. The ratio of pulverized coal to slag is 0. 6.Carbonization temperature is 1 450 ℃.
【Key Words】: Ti-bearing BF slag high-temperature carbonization TiC
【Fund】: 重庆市科技计划项目社会事业与民生保障科技创新专项(cstc2016shmszx06);; 中国博士后科学基金资助项目(2016M590862)
【CateGory Index】: TQ134.11
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