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Sticking of iron ore pellets in direct reduction with hydrogen and carbon monoxide: Behavior and preventionYI Ling-yun(易凌云), HUANG Zhu-cheng(黄柱成), LI Tie-hui(李铁辉), JIANG Tao(姜涛) (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:A series of reduction experiments of iron ore pellets with hydrogen, carbon monoxide and their mixture were......
Recovery of iron and calcium aluminate slag from high-ferrous bauxite by high-temperature reduction and smelting processYing-yi Zhang1,2,Wei Lü1,Yuan-hong Qi2,Zong-shu Zou31. College of Materials... University摘 要:A high-temperature reduction and smelting process was used to recover iron and calcium aluminate slag from high-ferrous bauxite. The effects......
Reduction Process of Blue Tungsten Oxide and its Microcomputer Process ControlYang Zhangyuan;Shu Daixuan;Zhang Hezhen;Zhang Wanwu Computer Chemistry Laboratory. Institute of Chemical Metallurgy... making. Based on the studies onthe hydrogen reduction process of tungsten oxide, a microcomputer system is introduced to the reduction process parameters con-trol. The microcomputer process control......
Effect of electrolysis voltage on electrochemical reduction of titanium oxide to titanium in molten calcium chlorideLIU Meifeng, LU Shigang, KAN Surong, and LI Guoxun General Research Institute for Non-ferrous Metals, Beijing 100088, China摘 要:The electrochemical reduction of solid TiO2 directly to solid metal is a promising alternative to the current......
带钢连续退火机组双偏心5辊矫直机压下量计算万飞1,金敏2(1.重庆市重庆大学机械工程学院2.宝钢工程技术有限公司 轧钢事业部,上海 201900)摘 要:针对如何调整现场正在使用的进口5辊矫直机上辊系各矫直辊压下量,以解决合理矫直带钢的问题,结合该矫直机双偏心调整的特点,从解析角度分析了2个偏心轴转角的角度变化对上辊系压下量的影响,得出了在一定范围内调整偏心轴转角能够找到合适的压下量矫直一定规格的带钢的结论.该计算方法已经应用在实际生产过程中.关键词:双偏心； 矫直； 压下量......
钛精矿球磨活化微波还原试验李雨1,雷鹰1,彭金辉1,张利波1,张泽彪1,郭胜惠1(1.云南省昆明市昆明理工大学材料与冶金工程学院非常规冶金教育部重点实验室)摘 要:研究攀枝花低品位钛精矿的球磨活化-微波还原.采用激光粒度及X衍射研究不同球磨条件下钛铁矿的粒度和物相变化并进行分析,结果表明磨矿活化使矿物颗粒逐渐减小,特征峰宽化,晶粒变细;研究了活化物料的升温和还原行为,并对还原产物微观形貌和物相进行分析,表明活化物料有良好的微波吸收性能和还原效应.证实在反应过程中存在"热点".球磨8h的混合物料在温度900℃,反......
NO catalytic activity of selective catalytic reduction with ammonia (NH3) by CuMn-ZSM-5 catalysts HUANG Xiu-guo, LI Cai-ting, LU Pei, LI Qun, DING Yan-min (College of Environmental Science & Engineering, Hunan University, Changsha 410082, China) Abstracts: CuMn-ZSM-5 catalysts were prepared by incipient impregnation method, and NO catalytic activity of selective catalytic reduction (SCR......
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......
Recovery of iron from high phosphorus oolitic iron ore using coal-based reduction followed by magnetic separationYong-sheng Sun,Yue-xin Han,Peng Gao,Ze-hong Wang,Duo-zhen RenCollege of Resources... phosphorus oolitic iron ore using coal-based reduction and magnetic separation. The influences of reduction temperature, reduction time, C/O mole ratio, and CaO content on the metallization degree......
Ferronickel enrichment by fine particle reduction and magnetic separation from nickel laterite oreXiao-hui Tang1,Run-zao Liu1,Li Yao1,2,Zhi-jun Ji1,Yan-ting Zhang1,3,Shi-qi Li11. School...">Ferronickel enrichment and extraction from nickel laterite ore were studied through reduction and magnetic separation. Reduction experiments were performed using hydrogen and carbon monoxide......
