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Preparation of porous Ti2O3 via a carbothermal reduction of titanium dioxide
Liu, Kejia1; Wang, Yaowu1; Di, Yuezhong1; Peng, Jianping1; You, Jing2; Feng, Naixiang1; Zhang, Yi3
2018
发表期刊CERAMICS INTERNATIONAL
ISSN0272-8842
卷号44期号:1页码:1007-1012
摘要

Porous Ti2O3 was prepared via the carbothermal reduction of titanium dioxide using acetylene black or activated carbon as the reducing agent. The process was carried out at 1300-1350 degrees C in a flowing argon atmosphere or vacuum. The reduced sample had a carbon content of less than 0.007% and a Ti2O3 content of more than 98% when 6.98% acetylene black or 8.88% activated carbon was used as the reducing agent. The pore diameter, pore volume, and porosity of the sample prepared using 6.98% acetylene black were estimated to be 1-3 mu m, 0.115-0.133 cm(3) g(-1), and 39-45%, respectively; those of the sample reduced using 8.88% activated carbon were 7-11 mu m, 0.165-0.190 cm(3) g(-1) and 62-71%, respectively. The kinetic parameters of the carbothermal reduction of TiO2 were investigated using thermogravimetric analysis-differential scanning calorimetry in a flowing Ar atmosphere.

关键词Carbothermal Reduction Ti2o3 Activated Carbon Acetylene Black
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ceramint.2017.10.036
收录类别SCI
语种英语
关键词[WOS]Molten Calcium-chloride ; Isoconversional Kinetic-analysis ; Electrochemical Reduction ; Tio2 ; Precursors ; Particle ; Mixture ; Pathway ; Carbon ; Size
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
项目资助者National Natural Science Foundation of China(51674076 ; State Key Development Program for Basic Research of China (973 Program)(2013CB632606) ; Fundamental Research Funds for the Central Universities(N150204020) ; 51304044)
WOS记录号WOS:000416877900137
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23474
专题研究所(批量导入)
通讯作者Wang, Yaowu
作者单位1.Northeasten Univ, Dept Met, Shenyang, Liaoning, Peoples R China
2.Liaoning Sch Sci & Technol, Benxi, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing, Peoples R China
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GB/T 7714
Liu, Kejia,Wang, Yaowu,Di, Yuezhong,et al. Preparation of porous Ti2O3 via a carbothermal reduction of titanium dioxide[J]. CERAMICS INTERNATIONAL,2018,44(1):1007-1012.
APA Liu, Kejia.,Wang, Yaowu.,Di, Yuezhong.,Peng, Jianping.,You, Jing.,...&Zhang, Yi.(2018).Preparation of porous Ti2O3 via a carbothermal reduction of titanium dioxide.CERAMICS INTERNATIONAL,44(1),1007-1012.
MLA Liu, Kejia,et al."Preparation of porous Ti2O3 via a carbothermal reduction of titanium dioxide".CERAMICS INTERNATIONAL 44.1(2018):1007-1012.
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