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-lan (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: Preparation of superfine aluminum hydroxide powders from sodium aluminate solution by ion... of the polyethylene glycol dosages. When concentration of the additive in sodium aluminate solution reach 0.175 g/L, the average size of ATH is 3.9 μm. The infrared spectra analysis show......
is less than 10%. Key words: sodium aluminate solution; gibbsite precipitation process; particle size distribution; model ...-sheng. Effects of additive on product quality of seed precipitation in sodium aluminate solution [J]. Journal of Chemical Industry and Engineering, 2007, 58(8): 2120-2124. [10] 王 宇. 氧化铝生产过程的模拟与仿真[D......
410083, China) Abstract: The specific heat capacities at constant pressure of alkaline sodium aluminate solutions in NaOH-NaAl(OH)4- H2O system were determined using a commercial calorimeter (Setaram.... The equation of the specific heat capacity as a function of total alkalinity, αK and temperature was constructed for sodium aluminate solution. The error between the results calculated from......
; 晶种分解; 无机盐; 机理; bayer process; sodium aluminate solution; seed decomposition; inorganic salt; mechanism; [全文内容正在添加中] ......
mechanism of dicalcium silicate in concentrated sodium aluminate solutions by sintering process LIU Gui-hua, HUANG Ya-jun, PENG Zhi-hong, ZHOU Qiu-sheng, LI Xiao-bin (School of Metallurgical Science... of the charge neutralization. Key words: dicalcium silicate; sodium aluminate solutions; sintering process; flocculation mechanism 目前我国烧结法粗液中氧化铝浓度为120 g/L左右,如果提高到180 g/L以上,将大大增加设备产能和生产效率.但熟料中约有30%的硅酸二......
Trans. Nonferrous Met. Soc. China 24(2014) 3348-3355 Influence of thermal history on conversion of aluminate species in sodium aluminate solution Xiao-bin LI, Dong-feng ZHAO, Shuai-shuai YANG, Dan... to clarify the influence of thermal history on the conversion of aluminate species in sodium aluminate solution in order to optimize Bayer alumina production. The interconversion of various solution......
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类添加剂；探针分子；铝酸钠溶液；分解率；粒度分布 中图分类号:TQ 133.1 文献标识码:A Effect of five-membered heterocycles additive on seeded precipitation of sodium aluminate solution DONG Nan-ya, CHENG Qi... in seeded precipitation process. The effect of the dosage and type of addtives on the decomposition ratio of sodium aluminate solution and particle size distribution (PSD) of gibbsite was investigated......
modifier in bayer seeded precipitation process of sodium aluminate solution LIU Zhan-wei1, 2, CHEN Wen-mi1, LI Wang-xing1, 2 (1. School of Metallurgical Science and Engineering, Central South... modifier (CGM) in Bayer seeded precipitation process of sodium aluminate solution better, the effects of CGM on the secondary nucleation and agglomeration process were studied. The effects of CGM......
形貌初步证实了这种设想.种分附聚产品的粒度分布结果显示,只要晶种活化时间合适,产品的粒度也能明显改善. 关键词:氢氧化铝晶种；晶种活化；铝酸钠溶液；晶种分解；粒度分布 中图分类号:TF 111.3 文献标识码:A Decomposition enhancement of seeded sodium aluminate... was activated by boiling distilled water. The effects of activated seed on decomposition ratio of seeded sodium aluminate liquor and particle size distribution were investigated. The experiments were......
