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14000 in desilicated sodium aluminate solution with the addition of hexagonal calcium hydroferrite in deep desilication under the optimum conditions. The saturation coefficient in desilication product can reach 0.46. Key words: desilication; hexagonal calcium hydroferrite; sodium aluminate solution; synthesis 在烧结法生产氧化铝的熟料溶出过程中, 由于原硅酸钙引起二次反应, 使溶出粗液中含有3.0~6.0g/L的二氧化硅, 硅量指数(A/S)仅为20左右, 因此......
J. Cent. South Univ. (2019) 26: 567-576 DOI: https://doi.org/10.1007/s11771-019-4028-4 Permeability modeling of self-healing due to calcium carbonate precipitation in cement-based materials... to calcium carbonate precipitation in cement-based materials with mineral additives was studied in this work. The parameters of calcium carbonate precipitation during self-healing were simulated......
Trans. Nonferrous Met. Soc. China 27(2017) 1878-1887 Behavior of calcium oxalate in sodium aluminate solutions Gui-hua LIU, Wen-bo DONG, Tian-gui QI, Qiu-sheng ZHOU, Zhi-hong PENG, Xiao-bin LI School... for the removal of sodium oxalate from sodium aluminate solutions. This study investigated the behavior of calcium oxalate in sodium aluminate solution containing sodium carbonate. Results show that calcium......
of shortcomings, such as large consumption of calcium oxide, large material flow, considerable amount of slag, and small burning temperature range. Based on our previous study, the alumina leaching...-containing calcium aluminate slags [J]. Transactions of Nonferrous Metals Society of China, 2011, 21(12): 2752-2757. [8] LI Yin-tai, BI Shi-wen, DUAN Zhen-ying, YANG Hong-yi, ZHANG Jing-dong. Discussion......
Trans. Nonferrous Met. Soc. China 26(2016) 849-858 Formation mechanism and crystal simulation of Na2O-doped calcium aluminate compounds Yong-pan TIAN, Xiao-lin PAN, Hai-yan YU, Gan-feng TU School of Metallurgy, Northeastern University, Shenyang 110819, China Received 23 April 2015; accepted 10 November 2015 Abstract: Calcium aluminate clinkers doped with Na2O were synthesized using analytically......
of China, 2013, 23(8): 2416-2421. [24] SUN Hui-lan, WANG Bo, ZHANG Jian-xin, ZONG Shu-feng, LIU Jia-jia. Secondary reaction mechanism of leaching process of calcium aluminate slag [J]. Transactions... as the Al2O3 leaching performance of calcium aluminate clinkers with different P additions in CaO-Al2O3-SiO2 system during high-temperature sintering were systematically studied by XRF, XRD, SEM-EDS......
, KUNZ M, MONTEIRO P J M. A high-pressure X-ray diffraction study of the crystalline phases in calcium aluminate cement paste [J]. Cement and Concrete Research, 2018, 108: 38-45. DOI: 10.1016/j... dynamics modeling of chloride binding to the surfaces of calcium hydroxide, hydrated calcium aluminate, and calcium silicate phases [J]. Chemistry of Materials, 2002, 14(8): 3539-3549. DOI......
Thermodynamic analysis on sodium carbonate decomposition of calcium molybdenum XIA Wen-tang(夏文堂), ZHAO Zhong-wei(赵中伟), LI Hong-gui(李洪桂) School of Metallurgical Science and Engineering, Central...: calcium molybdenum(CaMoO4); sodium carbonate; decomposition; thermodynamic analysis; concentration logarithm diagram ......
文献标志码:A High-temperature metallogenic mechanism and leaching property of calcium aluminate clinker with B2O3 PAN Xiao-lin, DONG Kai-wei, HOU Xian-lin, YU Hai-yan, TU Gan-feng, BI Shi-wen (School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China) Abstract: Calcium aluminate clinkers......
to the FeO-SiO2-CaO ternary slag system. All additives containing silica, calcium oxide, reductive coal were mixed with the leaching residue containing Bi in a mortar and pestle. The mixture was put into a clay...J. Cent. South Univ. (2016) 23: 1326-1331 DOI: 10.1007/s11771-016-3183-0 Reduction smelting on bismuth oxide residue in FeO-SiO 2-CaO ternary slag system ZHANG Du-chao(张杜超), ZHANG Xin-wang(张新望......
