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Formation and characterization of metallic iron grains in coal-based reduction of oolitic iron oreYong-sheng Sun,Yue-xin Han,Yan-feng Li,Yan-jun LiSchool of Resources and Civil Engineering,Northeastern University摘 要:To reveal the formation and characteristics of metallic iron grains in coal-based reduction,oolitic iron ore was isothermally reduced......
Carbothermic reduction characteristics of ludwigite and boron–iron magnetic separationGuang Wang,Qing-guo Xue,Jing-song WangState Key Laboratory of Advanced Metallurgy, University of Science.... Selective reduction of iron oxide is the key step for the comprehensive utilization of ludwigite. In the present work, the reduction mechanism of ludwigite was investigated. The thermogravimetry......
Migration behaviors and kinetics of phosphorus during coal-based reduction of high-phosphorus oolitic iron oreYong-sheng Sun,Yan-feng Li,Yue-xin Han,Yan-jun LiSchool of Resources and Civil Engineering,Northeastern University摘 要:To understand the migration mechanisms of phosphorus(P) during coal-based reduction, a high-phosphorus oolitic iron ore......
Formation of calcium titanate in the carbothermic reduction of vanadium titanomagnetite concentrate by adding CaCO3Xiao-hui Li,Jue Kou,Ti-chang Sun,Shi-chao Wu,Yong-qiang ZhaoSchool of Civil and Resource Engineering, University of Science and Technology Beijing摘 要:The formation of calcium titanate in the carbothermic reduction of vanadium......
Reduction of Low-grade Manganese Dioxide Ore Pellets by Biomass Wheat StalkHonglei ZHANG1,Guocai ZHU2,Hong YAN1,Yuna ZHAO2,Tiancheng LI2,Xiujuan FENG21. College of Life Science and Bio-engineering... dioxide ore pellets was carried out by using wheat stalk as reductant. The main impact factors of reduction percent such as particle size, biomass/ore ratio, heating rate, nitrogen flow rate......
Influence of Yttrium Addition on the Reduction Property of Tungsten Oxide Prepared via Wet Chemical MethodNan Liu1,Zhi Dong1,Zongqing Ma1,Liming Yu1,Yongchang Liu11. State Key Lab of Hydraulic... exhibit unique morphologies and micro structures.The yttrium addition during chemical reaction process affects not only the composition of tungsten acid hydrate precursors,but also the reduction......
Experimental design for optimization of 4-nitrophenol reduction by green synthesized CeO2/g-C3N4/Ag catalyst using response surface methodologySankaran Sugunan22. Department of Applied Chemistry... XRD,FTIR,SEM,EDX,XPS and TEM techniques.The synergistic effect of the composite CeO2/g-C3 N4/Ag was tested for catalytic reduction of 4-nitrophenol in the prese nce of sodium borohydride.The reaction......
Selective reduction of carbon dioxide into amorphous carbon over activated natural magnetiteZhong-qing Liu,Jian Zheng,Yi Wang,Xu LiuSchool of Chemical Engineering, Sichuan University摘 要:Natural magnetite formed by the isomorphism substitutions of transition metals, including Fe, Ti, Co, etc., was activated by mechanical grinding followed by H2 reduction......
Reduction mechanism of high-chromium vanadium–titanium magnetite pellets by H2–CO–CO2 gas mixturesJue Tang,Man-sheng Chu,Feng Li,Ya-ting Tang,Zheng-gen Liu,Xiang-xin XueSchool of Material and Metallurgy,Northeastern University摘 要:The reduction of high-chromium vanadium–titanium magnetite as a typical titanomagnetite containing 0.95wt% V2O5 and 0.61wt......
and Technology(Beijing General Research Institute of Mining and Metallurgy), Beijing 100070, China;)Abstract:Direct reduction is an emerging technology for ferric bauxite utilization. However, because... and mass loss in direct reduction to reveal the mechanism on sodium volatilization. The results show that the most significant influence factor of ferric bauxite on sodium volatilization in direct reduction......
