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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 16    No. 4    August 2006

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Effects of mineral loading methods on carbon solution reaction of coal-derived carbon material
YANG Jun-he(杨俊和)1, WANG Xia(王 霞)1,
CHENG Shu-hui(陈树晖)2, LIU Xiao-rong(刘晓荣)1, FANG Yong-zheng(房永征)1

1. Department of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China;
2. School of Chemical Engineering, East China University of Science and Technology,
Shanghai 200237, China

Abstract: 11 oxides (MgO, CaO, BaO, TiO2, V2O5, MnO2, Fe2O3, CuO, ZnO, PbO2 and B2O3), often found in coal-derived carbon materials, were loaded into the coal-derived carbon material by two methods such as adsorbing oxides through solution onto the surface of coke and adding oxides into the coal before carbonization. The effects of oxides on carbon solution reaction of carbon material were investigated and compared. The results show that the effect trends are similar but the effect of oxides by adsorbing is remarkably greater than that of the oxides by adding oxides as BaO, MgO, Fe2O3, CuO, ZnO, MnO2, PbO2 and B2O3. And the effect trends are similar. BaO, CaO and Fe2O3 are the greatest affecting oxides. The saturation point of addition content is 3% and that of adsorption is 1%.

 

Key words: carbon materials; minerals; loading; absorbing; adding; carbon solution reaction

ISSN 1672-7029
CN 43-1423/U

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