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J. Cent. South Univ. (2016) 23: 2191-2198 DOI: 10.1007/s11771-016-3276-9 Desilication kinetics of calcined boron mud in molten sodium hydroxide media NING Zhi-qiang(宁志强), SONG Qiu-shi(宋秋实), ZHAI Yu... Abstract: Desilication kinetics of calcined boron mud (CBM) occurring in molten sodium hydroxide media was investigated. The effects of factors such as reaction temperature and NaOH-to-CBM mass ratio......
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diameter becomes small with the increase of initial alumina concentration for deep carbonation decomposition. Key words: sodium aluminate solution; deep carbonation decomposition; dawsonite 铝酸钠溶液碳酸化分解(简称...;铝酸钠溶液深度碳分产物的红外光谱图 Fig. 5 FTIR spectra of deep carbonation decomposition products of sodium aluminate solution 图6 深度碳分产物的X线衍射图谱 Fig. 6 X-ray diffraction pattern of deep carbonation......
中图分类号:TF821 文献标志码:A Research progress in theory and technology of gibbsite precipitation from sodium aluminate solution LI Xiao-bin, ZHAO Dong-feng, WANG Dan-qin, YAN Li (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: The precipitation of sodium aluminate solution is the key process for alumina......
·SiO2. Key words: calcium silicate; aluminate solutions; sodium aluminosilicate bydrate; hydrogamet; reactive behavior  ..., 2005, 25(1): 47-49. [11] LI Xiao-bin, ZHAO Zhuo, LIU Gui-hua, et al. Behavior of calcium silicate hydrate in aluminate solution[J]. Trans Nonferrous Met Soc China, 2005, 15(5): 1145-1149. [12] LIU Giu......
when smelting iron-bearing bauxite. The ideal components of calcium aluminate slags are 12CaO·7Al2O3 and γ-2CaO·SiO2 [1]. The slag can react with a sodium carbonate solution and its alumina leaching... the furnace. The sintering was carried out at 1 500 °C for 1 h. The sample was cooled at 5 °C/min and taken out at 400 °C from the resistance furnace. 2.3 Leaching of calcium aluminate slag The sodium......
products on concentration of sodium aluminate solution at different precipitation time 图6 不同析出时间脱硅产物对铝酸钠溶液水解率的影响 Fig. 6 Effect of desilication product on hydrolysis rate of sodium aluminate..., TIAN Lü, ZHOU Qiu-sheng, PENG Zhi-hong, LI Xiao-bin. Reaction behavior of MgO in desilication process of sodium aluminate solution[J]. The Chinese Journal of Nonferrous Metals, 2013, 23(7): 2055-2060......
; 文章编号:1672-7207(2007)01-0102-05 Production of Al(OH)3 by ion membrane electrolysis in sodium aluminate solution TAO Tao1,2, CHEN Qi-yuan1, LI Yuan-gao1, GUO Chun-ping1, YIN Zhou-lan1... 750021, China) Abstract: The sodium aluminate solution of medium-concentration was electrolyzed by using ion membrane in a specially designed cell and then was precipitated in seeds cell......
.cemconres.2018.03.004. [20] LIU Gui-hua, ZHANG Wen, QI Tian-gui, PENG Zhi-hong, ZHOU Qiu-sheng, LI Xiao-bin. Influence of silicate anions structure on desilication in silicate-bearing sodium aluminate...-pores of C-S-H were investigated, while the adsorption mechanisms in the C-S-H/ aqueous solution interfaces also unraveled and the adsorption amount was determined by the surface calcium to silicon ratio......