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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......
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......
-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......
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......
% after leaching for 2 h. Key words: calcium aluminate slag; MgO; C20A13M3S3; alumina; leaching ..., WU Yu-sheng. Leaching kinetics of non-constant temperature process of calcium aluminate slag under microwave radiation[J]. The Chinese Journal of Nonferrous Metals, 2006, 16(2): 357?362. [3] 张敬东, 李殷泰......
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......
