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,Tongji Hospital Affiliated to Tongji Medical College,Huazhong University of Science and Technology摘 要:The reduction process of ilmenite by hydrogen... in the fracture of ilmenite particles. The reduction kinetics showed that the reduction was rate-controlling for hydrogen, and diffusion-controlling when hydrogen mixed with high flow methane.关键词:......
Effect of scandia on tungsten oxide powder reduction process崔云涛,王金淑,刘伟,王茜College of Materials Science and Engineering,Beijing University of Technology摘 要:Scandia doped tungsten powders were prepared by spray drying combined with two-step hydrogen reduction.The particle size of doped tungsten powder,powder morphology and doped tungsten matrix were......
Effect of scandia on tungsten oxide powder reduction process崔云涛,王金淑,刘伟,王茜College of Materials Science and Engineering,Beijing University of Technology摘 要:Scandia doped tungsten powders were prepared by spray drying combined with two-step hydrogen reduction.The particle size of doped tungsten powder,powder morphology and doped tungsten matrix were......
A strength reduction method based on double reduction parameters and its applicationYUAN Wei(袁维), BAI Bing(白冰), LI Xiao-chun(李小春), WANG Hai-bin(汪海滨) (State Key Laboratory of Geomechanics and Geotechnical Engineering (Institute of Rock and Soil Mechanics, Chinese Academy of Sciences), Wuhan 430071, China)Abstract:In the traditional strength reduction method, the cohesion and the friction angle......
钛精矿氢还原试验研究司振兵1,顾武安1,袁熙志1,黄丹丹1(1.四川省成都市四川大学化学工程学院)摘 要:随着钛需求的不断扩大,研究钛精矿的高效开发利用具有重要意义,特别是以氢为还原剂的绿色火法冶炼生产高钛渣工艺研究备受关注.采用管式炉氢还原钛精矿,试验结果表明,钛精矿在反应温度1 000℃,反应物粒度小于0.088mm,反应时间20min以上的条件下,还原效果较好.关键词:钛精矿； 氢还原； 高钛渣； 管式炉； 火法冶炼......
to the strong interaction between copper oxide and cerium dioxide, which promotes the dispersion and hydrogen reduction activity of copper. Key words:hydrogen-rich gas; CO selective oxidation; CuO; CeO2; rare...CuO/CeO2 Catalysts for Selective Oxidation of Carbon Monoxide in Excess Hydrogen 张菊香1,史鹏飞1,刘春涛1 (1.Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China) Abstract......
Multiple gaseous reduction of ilmenite: thermodynamic and experimental studyWei Xiao,Xiong-Gang Lu,Xing-Li Zou,Chong-He Li,Wei-Zhong DingShanghai Key Laboratory of Modern Metallurgy and Materials Processing, Shanghai University摘 要:In this paper,the thermodynamics of the reduction of ilmenite using multiple gases(H2/CO) was calculated.It is found......
monoclinic structure as the Li3V2(PO4)3 sample synthesized by hydrogen reduction method. The particle size is about 1.5 μm together with homogenous distribution. The initial discharge capacity of Li3V2... of operation, these compounds can be used as useful positive electrode materials commercially. Usually, Li3V2(PO4)3 was synthesized by hydrogen reduction method[15]. Hydrogen reduction method needs......
of ferromagnetic metal fine fibers by organic gel-thermal reduction process CAO Kai(曹 凯), SHEN Xiang-qian(沈湘黔), JING Mao-xiang(景茂祥), ZHOU Jian-xin(周建新) (School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China) Abstract: The organic gel-thermal reduction process was used for the preparation of ferromagnetic metal Ni, Co and Fe fine fibers from the raw materials......
, 2008, 18(S1): s386-s392. [6] 沈华生. SiHCl3氢还原法生产超纯硅化学反应机理及工业实践经验[J]. 稀有金属, 1987, 11(6): 421-426. SHEN Hua-sheng. Reduction of SiHCl3 hydrogen production of ultra pure silicon chemical reaction... of Siemens trichlorosilane hydrogen reduction process of -CVD intrinsic kinetics model[J]. The Chinese Journal of Nonferrous Metals, 2016, In press. [15] 陈甘棠. 化学反应工程[M]. 3版. 北京: 化学工业出版社, 2007: 117-144......
