新法合成碱式碳酸铝铵及纳米氧化铝.pdf

# 12 # 2004 9 ## ¹ 1,2 1 1 1 1 1 吴志鸿 , 廖森 , 姜求宇, 宋宝玲, 王建设 , 周明山 ( 1. 广西大学化学化工学院, 广西 南宁530004; 2. 广西河池学院化学与生物系, 广西 宜州546300) : 对合成碱式碳酸铝铵及A 纳米氧化铝的 方法进行了研究, 基于均匀设计试验方案的应用, 本文在试验中成功 地合成同时优化了碱式碳酸铝铵的粒度及组成, 从而得到不含结晶水的碱式碳酸铝铵微晶试验还表明, 固相法合成 得到的碱式碳酸铝铵系经由Cy A的过程裂解成为A 氧化铝的, 呈现了良好的的裂解特征, 此外,氯化钠作为助熔剂时 对于A 相变具有显著的促进作用 : 碱式碳酸铝铵;A 纳米氧化铝; 室温固相反应; 均匀设计 : TQ072 : A : 1002 1752(2004) 09 0012 05 Synthesis of Ammonium Aluminium arbonate Hydroxide and AAluminawith the Novel Method 1,2 1 1 1 1 1 WU Zhihong , LIAO Sen , JIANG Qiuyu , SONG Baoling ,Wang Jianshie , ZHou Minshan ( 1.School of hemistry and hemical Engineering, Guangxi University, Nanning, Guangxi, 530004; 2.Department of hemistry and Biology, Hechi ollege of Guangxi, Yizhou, Guangxi, 546300) :T he novel method for synthesis of ammonium aluminium carbonate hydroxide and Aaluminawere studied. In this paper, basis of the application of uniform experimental design, theparticle size as well as components of the ammonium aluminium carbonatehydrox ide wereoptimized synchronously and successfully, and got the microcrystals of the ammonium aluminium carbonatehydroxide which has no crystal water . T he experiment also showed that the aluminium carbonate hydroxide synthesized with solid method was pyrolyzed toAalumina via Cy Aprocess, which presented nice pyrolysis char- acter. As an assist flux of pyrolysis, sodium chloride has remarkable effect to accelerate theAphase change. Keyword: ammonium aluminium carbonate hydroxide, Aalumina, room temperature