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Mechanism of scaling on oxidation reactor wall in TiO2 synthesis by chloride process ZHOU E(周 峨)1, YUAN Zhang-fu(袁章福)1, WANG Zhi(王 志)1, FANG Xian-Guo(范先国)2, GONG Jia-Zhu(龚家竹)2 1. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China; 2. Sichuan Lomon Corporation, Mianzhu 618200, China Received 20 June 2005; accepted 25 November 2005
Trans. Nonferrous Met. Soc. China 20(2010) s943-s947 Electro-pulse modification and reheating process for production of thixotropic microstructure in AlSi7Mg alloy TIAN Wen-tong(田文彤)1... of AlSi7Mg alloy is 720 °C, and the appropriate electro-pulse frequency and time are 5 Hz and 40 s, respectively. Then the microstructures produced by suitable EPM process were reheated at temperatures......
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矿中镍黄铁矿的含量很低,多为与磁黄铁矿或脉石毗连镶嵌构成镍的贫连生体,粒度为5~20 μm,再回收镍的幅度较小. 关键词:哈密铜镍矿;工艺矿物学;镍黄铁矿;选矿 中图分类号: TD951;P579;TD912 文献标志码:A Process mineralogy and factors affecting mineral processing... copper-nickel ore; process mineralogy; pentlandite; mineral processing 镍是优良的耐腐蚀材料,也是合金钢的重要合金化元素,镍在钢中形成奥氏体的晶体结构,从而提高合金钢的耐腐蚀性能和可塑性,焊接性和韧性等工艺性能[1].镍冶金工业的原料主要来自硫化铜镍矿石[2],已探明新疆哈密镍矿资源储量90余万金属吨,镍矿资源分布在6个矿区,预测资......
on leaching process of sintered powder in extracting alumina from fly ash SUN Pei-mei, TONG Jun-wu, XU Hong-yan, ZHAO Zhe, XUE Bing, ZHANG Jiao-yang (School of Chemical and Environmental Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China) Abstract: The Na2CO3 solution leaching process of sintered powder obtained from sintering process of fly ash and limestone......
Preparation of soil nutrient amendment using white mud produced in ammonia-soda process and its environmental assessment SHI Lin(石 林), LUO Han-jin(罗汉金) College of Environmental Science... concentrations of harmful gases from a mixture of white mud and potassium feldspar during calcination process could qualify the National Standards without causing secondary environmental pollution. Key......
Article ID: 1003-6326(2005)05-1096-07 Effect of process variables on grain growth in simulating solidification microstructure of Ti-45%Al alloy ingot by stochastic model WU Shi-ping(吴士平), LIU Dong... for simulating microstructure formation of Ti-45%Al(mole fraction) alloy ingot during solidification process was developed, based on a finite differential method(FDM) for macroscopic heat flow calculation......
Article ID: 1003-6326(2005)02-0452-05 FE simulation and process analysis on forming of aluminum alloy multi-layer cylinder parts with flow control forming WANG Xin-yun(王新云), WU You-sheng(吴有生... and approximate formula were given. Then forming process of aluminum alloy multi-layer cylinder parts was simulated. The effect of friction factor, die radius and punch velocity on metal flow and forming force......
] HAN Bin, TONG Xiong, ZHANG Guo-hao, XIE Xian, LV Hao-zi. Process mineralogy study on a copper slag [J]. Conservation and Utilization of Mineral Resources, 2015(1): 63-68. (in Chinese) [23] BARI I... J. Cent. South Univ. (2020) 27: 2249-2258 DOI: https://doi.org/10.1007/s11771-020-4446-3 Separation of silicon and iron in copper slag by carbothermic reduction-alkaline leaching process WANG Hong......
Influence of process parameters on deep drawing of AA6111 aluminum alloy at elevated temperaturesMA Wen-yu(马闻宇), WANG Bao-yu(王宝雨), FU lei(傅垒), ZHOU Jing(周靖), HUANG Ming-dong(黄鸣东) (School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China)Abstract:To gain a deep insight into the hot drawing process of aluminum alloy sheet, simulations of cylindrical cup......