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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......
J. Cent. South Univ. (2016) 23: 3079-3084 DOI: 10.1007/s11771-016-3372-x Effects of MgO content and CaO/Al2O3 ratio on surface tension of calcium aluminate refining slag XU Ji-fang(许继芳)1, ZHANG Jie..., Shanghai University, Shanghai 200072, China Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: Surface tension of calcium aluminate refining slag was measured by the Slide......
of the calcium aluminate slag increases from 68.73% to 80.86% with Na2O content increasing from 0 to 4% when MgO content is 3%. The XRD results show that the quaternary compound C20A13M3S3 disappears when... and promote the formation of 12CaO·7Al2O3 Key words: calcium aluminate slag; Na2O; MgO; phase transformation; alumina leaching 1 Introduction Calcium aluminate slag is obtained from blast furnaces......
Article ID: 1003-6326(2005)05-1145-05 Behavior of calcium silicate hydrate in aluminate solution LI Xiao-bin(李小斌), ZHAO Zhuo(赵 卓), LIU Gui-hua(刘桂华), ZHOU Qiu-sheng(周秋生), PENG Zhi-hong(彭志宏... silicate hydrates, CaO·SiO2·H2O and 2CaO·SiO2·1.17H2O, were hydro-thermally synthesized at 120℃.The reaction rule of calcium silicate hydrate in aluminate solution was investigated. The result shows......
Trans. Nonferrous Met. Soc. China 25(2015) 1334-1340 Secondary reaction mechanism of leaching process of calcium aluminate slag Hui-lan SUN1,2, Bo WANG1,2, Jian-xin ZHANG1, Shu-feng ZONG1, Jia-jia... University of Science and Technology, Shijiazhuang 050018, China Received 12 March 2014; accepted 26 January 2015 Abstract: SiO2 in calcium aluminate slag exists in the form of γ-2CaO·SiO2 which is more......
-roasted vanadium slag by ammonium carbonate [J]. Hydrometallurgy, 2016, 160: 18–25. DOI: 10.1016/ j.hydromet.2015.11.014. [15] LI Xin-sheng, XIE Bing. Extraction of vanadium from high calcium vanadium slag... J. Cent. South Univ. (2018) 25: 2349-2359 DOI: https://doi.org/10.1007/s11771-018-3919-0 Safe utilization of chromium-bearing vanadate residue by recovery of vanadium and chromium based on calcium......
process of calcium aluminate slag under microwave radiation TONG Zhi-fang1, BI Shi-wen2, YU Hai-yan2, WU Yu-sheng2 (1. School of Materials and Chemical Engineering, Jiangxi University of Science... promotes the reaction. Key words: calcium aluminate slag; leaching; kinetics; activation energy 关于广西贵港三水铝石型铝土矿通过烧结, 高炉冶炼得到的铝酸钙炉渣浸出的研究已有报道[1]. 佟志芳等[2]曾在此基础上研究了在微波辐射加热条件下炉渣的浸出性能, 并与传统加......
South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: To investigate the hydrogen permeability of calcium fluoride used for electroslag remelting (ESR) process, "Gas-slag- metal" osmosis process under argon atmosphere saturated with water vapor at 318 K was used to study the hydrogen permeability of slag containing calcium fluoride. The results indicate that the conventional......
Crystallization Kinetics of Calcium Aluminate Glasses Studied by Non-isothermal Techniques王衍行,ZU Chengkui,HE Kun,ZHAO Huifeng,HAN Bin,CHEN JiangInstitute of Quartz and Special Glasses,China Building... calorimeter(DSC) and X-ray diffraction(XRD) techniques.The results showed that DSC curves of calcium aluminate glass have a single glass transition temperature followed by one crystallization peak......
Preparation and characterization of calcium aluminate by chemical synthesisFeng Chen1), Yanruo Hong1), Jialin Sun1), and Jinglong Bu1,2) 1) Materials Science and Engineering School, University... and AlCl3 solutions were used to synthesize calcium aluminate hydrate precipitates at room temperature; high purity calcium aluminate powders with stable phases were made by calcination of the precursors......
