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铝酸钠溶液晶种分解制备超细氢氧化铝结晶机理初步研究
引用本文:王建立,李旺兴,王庆伟,陈启元. 铝酸钠溶液晶种分解制备超细氢氧化铝结晶机理初步研究[J]. 轻金属, 2006, 0(11): 15-20
作者姓名:王建立  李旺兴  王庆伟  陈启元
作者单位:1. 中南大学化学化工学院,湖南,长沙,410083;中国铝业股份有限公司郑州研究院,河南,郑州,450041
2. 中国铝业股份有限公司郑州研究院,河南,郑州,450041
3. 中南大学化学化工学院,湖南,长沙,410083
摘    要:采用铝酸钠溶液加凝胶晶种分解工艺制备出粒度分布窄、颗粒均匀的超细氢氧化铝,主要研究了温度、添加剂、晶种添加量等对分解率和晶体颗粒形貌的影响,并对晶体生长机理进行了分析研究。

关 键 词:超细氢氧化铝  铝酸钠溶液  晶种分解  晶体生长机理
文章编号:1002-1752(2006)11-0015-06
收稿时间:2006-04-03
修稿时间:2006-04-03

Study of super-fine aluminum hydroxide crystallization mechanisms from sodium aluminate solution precipitation with seed
WANG Jian-li,LI Wang-xing,WANG Qing-wei,CHEN Qi-yuan. Study of super-fine aluminum hydroxide crystallization mechanisms from sodium aluminate solution precipitation with seed[J]. Light Metals, 2006, 0(11): 15-20
Authors:WANG Jian-li  LI Wang-xing  WANG Qing-wei  CHEN Qi-yuan
Affiliation:1. Institute of Chemistry and Chemical Engineering, Central South University , Changsha 410083, China ;2. Zhengzhou Research Institute Aluminum Corporation of China Limited, Zhengzhou 450041, China
Abstract:The super-fine aluminum hydroxide with narrow particle size distribution and uniform particles is precipitated from sodium aluminate solution with gel seed in this paper.Influence of precipitation temperature,additives and the seed amount on the precipitation rate and the morphology of crystallization is investigated.The growth mechanism of super-fine aluminum hydroxide crystallization is analyzed.
Keywords:super-fine aluminum hydroxide  sodium aluminate solution  precipitation with seed  crystal growth mechanism
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