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dioxide on seeded precipitation of sodium aluminate solutions LIU Chang-qing, TANG Su-juan, YIN Zhou-lan, CHEN Qi-yuan (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: The effects of formic acid, acetic acid, propionic acid with silicon dioxide on decomposition ratio of sodium aluminate solutions and particle size distribution(PSD) of gibbsite......
: TF111.31 文献标识码: A Effect of additive on Al(OH)3 and Al2O3 made by seed precipitation from sodium aluminate solution CHEN Feng1, ZHANG Bao-yan1, BI Shi-wen2, YANG Yi-hong2, CHEN Yu-guo1 (1. School... on the seed precipitation from sodium aluminate solution was studied by adding fatty acid and heneicosane at different proportions. The results show that when the mass fraction of fatty acid......
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钠溶液；水热种分；低密度一水软铝石 中图分类号:TF 123.7 文献标识码:A Process conditions for very light boehmite precipitation from sodium aluminate solution CAI Wei-quan1, YU Xiao-feng2 (1... of decomposition conditions on the ratio of seeded decomposition and properties of precipitation products from sodium aluminate (SA) solutions with the very light boehmite seed prepared from the hydrothermal......
) and their mixture were used to inhibit the decomposition of β-2CaO·SiO2 in sodium aluminate solution. The potential of solid-liquid interface and the adsorption mechanism were studied by the methods of Zeta... potential and binding energy of Ca 2p, Si 2p and O 1s. Key words: sodium aluminate solution; secondary reaction; surfactant; ζ-potential; interfacial adsorption; electrochemical performance 1......
nanoparticles prepared by neutralization of sodium aluminate solution LI Yan1, 2, ZHANG Yi-fei1, YANG Chao1, ZHANG Yi1 (1. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China; 2. Graduate University, Chinese Academy of Sciences, Beijing 100049, China) Abstract: Procedure for precipitating aluminium hydroxide from sodium aluminate solution was investigated......
shapes are irregular. Key words: sodium aluminate; Bayer process; screen separation; agglomeration; initial molar ratio of Na2O to Al2O3 ... Seeded precipitation of sodium aluminate solution is an important step in Bayer process for the production of alumina. It is well known that the seeded precipitation of sodium aluminate solution......
Recovery of high specific area silica and sodium fluoride from sodium hexafluorosilicateXU Hui(徐徽), LI Gui(李贵), CHENG Jun-feng(程俊峰), LIU Wei-ping(刘卫平) (School of Metallurgy and Environment, Central South University, Changsha 410083, China)Abstract:Sodium fluoride and high specific area silica were synthesized by using sodium hexafluorosilicate (Na2SiF6) and sodium carbonate decahydrate (Na2CO3......
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