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The silicon-resin precursor powders with core-shell structure were synthesized through coat-mix process from industrial grade silicon powder and barium phenolic resin. Additives were chemically pure neutral... Preparation and properties of porous silicon carbide ceramics through coat-mix and composite additives process ZHAO Hong-sheng, LIU Zhong-guo, YANG Yang, LIU Xiao-xue, ZHANG Kai-hong, LI Zi-qiang......
by BATHEY and CRETELLA[1], GRIBOV and ZINOV’EV[2] and DIETL[3]. As listed in Table 1, comparison of typical impurity concentrations in metallurgical grade silicon (MG-Si) and solar grade silicon (SoG-Si... Impurity content of metallurgical-grade silicon and solar-grade silicon Phosphorus is unavoidably present in the silica and carbon raw materials used for the arc-furnace reduction process......
Pulsed Nd:YAG laser cladding of high silicon content coating on low silicon steelDanyang Dong, Changsheng Liu, Bin Zhang, and Jun Miao Key Laboratory of the Ministry of Education of China... was employed to clad low silicon steel with preplaced Si and Fe mixed powders for high Si content. The surface morphology, microstructural evolution, phase composition, and Si distribution, within the obtained......
with iron ore-coal composite pellets was adopted to deal with high silicon content-low iron grade ore, and sodium salt was used to enhance the reduction process. Effects of temperature, reduction time...; 文献标志码:A 文章编号:1672-7207(2019)03-0506-08 Reduction enhancement mechanisms of low iron grade ore-coal composite pellets by sodium......
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... for the development of a new method to comprehensively extract silicon and iron in CS while avoiding the generation of secondary tailing. Key words: copper slag; quartz solid solution; cristobalite solid......
Boundary layer flow of third grade nanofluid with Newtonian heating and viscous dissipationS. A. Shehzad1, Tariq Hussain2, T. Hayat3, 4, M. Ramzan2, A. Alsaedi3(1. Department of Mathematics, Comsats... layer flow of an incompressible third grade nanofluid over a stretching surface is investigated. Influence of thermophoresis and Brownian motion is considered in the presence of Newtonian heating......
溶锌浸出率达到89.14%,浮选精矿锌的浸出率为79.75%,杂质元素的净化率达到95%,电解锌纯度达到99.98%,电流效率可达97.02%. 关键词:低品位锌矿；Zn；浮选精矿；电沉积；MACA体系；循环浸出 中图分类号:TF813 Cycle leaching of low grade zinc oxide ores in MACA system for ..., Changsha 410083, China; 2. School of Metallurgical Engineering, Hunan University of Technology, Zhuzhou 412000, China; 3. Xingan Jinshan Chemical Plant of Jiangxi Province, Xingan 331308, China) Abstract......
J. Cent. South Univ. (2017) 24: 2805-2812 DOI: https://doi.org/10.1007/s11771-017-3695-2 Influence and mechanism of Indonesia vanadium titano-magnetite on metallurgical properties of iron ore sinter... Abstract: In order to provide a reliable reference for utilizing Indonesia vanadium titano-magnetite (VTM) in blast furnace (BF) economically, metallurgical properties of iron ore sinter with addition......
was developed to treat the high-aluminum and silicon cyanide tailings before magnetic separation. Fe-impurities separation from a high-aluminum and silicon cyanide tailings with total iron grade of 27.69... enter into nonmagnetic materials by water leaching, thus realizing the effective separation of impurities and Fe. Key words: high-aluminum and silicon; cyanide tailings; water leaching; grade; recovery......
Physics, 2009, 105(11): 113502. [5] LONG Gui-hua, WU Bin, HAN Song, QIU Ke-qiang. Development status and prospect of solar grade silicon production technology [J]. The Chinese Journal of Nonferrous Metals, 2008, 18(s1): s386-392. (in Chinese) [6] Degoulange J, Périchaud I, Trassy C, Martinuzzi S. Multicrystalline silicon wafers prepared from upgraded metallurgical feedstock [J]. Solar Energy......
