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diffusion mechanism, respectively. Key words: oxide pellets; roast temperature; microstructure; reduction rate; reduction kinetics 直接还原铁由于其成分稳定而纯净,是公认的电炉炼钢的理想原料和必不可少的稀释剂.从世界范围看,电炉钢产量日益增长,而高质量废钢的供给又严重不足,直接还原铁...;还原速率;还原动力学 中图分类号:TF046.2 文献标志码:A 文章编号:1672-7207(2012)08-2889-07 Effects of roast temperature......
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J. Cent. South Univ. (2016) 23: 1899-1905 DOI: 10.1007/s11771-016-3245-3 Magnetizing roast and magnetic separation of iron in rare-earth tailings YANG He(杨合), RONG Yi(荣宜), HAN Chong(韩冲), TANG Rong(唐... Abstract: Magnetic separation of iron in rare-earth tailings was achieved by magnetizing roast process with coal as reductant. Effects of the temperature, carbon to oxygen ratio, and cooling type......
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Roast Reaction Kinetics of Bastnasite Concentrate with Sodium Carbonate Mixture柳召刚,张继荣摘 要:RoastReactionKineticsofBastnasiteConcentratewithSodiumCarbonateMixtureLiuZhaogang(柳召刚)BaotouResearchInstituteofRareEarth,Baot...关键词:......
Roast Reaction of Bastinasite Concentrate Mixed with Sodium Carbonate柳召刚,魏绪钧,张继荣,程耀庚,刘兴旺摘 要:Roastisoneoftheimportantmeansfordecomposingbastnasiteconcentrate,andsotheresearchoftheroastingprocesofbastnasiteconcentrateis...关键词:......
this article,the process of magnetizing roast and low-intensity magnetic separation was used to recover iron.Effect of calcination temperature,holding time and carbon/oxygen ratio on roasting efficiency was investigated.The parameters evaluating magnetizing roast efficiency and theoretical value were determined.X-ray diffraction(XRD)analysis was used to investigate the conversion of Fe phase after......
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Article ID: 1003-6326(2005)06-1346-05 Anti-oxidation mechanism of SiC-B4C-C composites LIU Qi-cheng(刘其城)1,2, XU Xie-wen(徐协文)1,2, HUANG Qi-zhong(黄启忠)2, HUANG Bai-yun(黄伯云)2 (1... loss less than 1% within the temperature range from 900 to 1100℃ for 10h. Anti-oxidation mechanism was also discussed from the viewpoint of thermodynamics, excellent anti-oxidation property of materials......