氧化铝生产中水合硅酸钙的研究进展  

Advance of Studies on Calcium Hydrate Silicate in Alumina Production

作　　者：刘桂华[1] 唐时健[1] 李小斌[1] 彭志宏[1] 

机构地区：[1]中南大学冶金科学与工程学院,湖南长沙410083

出　　处：《矿冶工程》2005年第3期54-57,共4页Mining and Metallurgical Engineering

基　　金：国家自然科学基金(50274076);国家重点基础研究发展规划项目(G1999064910)

摘　　要：总结了氧化铝生产体系中水合硅酸钙的结构、生成条件及含硅化合物间的转化规律,评述了高压水化学法,并提出了钠硅渣湿法处理的新工艺。Abstract: The structure, formation and transformation laws of various calcium hydrate silicate in caustic solution were reviewed. The hydro-chemical technology at high pressure was also discussed, and new technology for recovery of alumina and soda from sodium aluminosilicate hydrate was proposed.

关 键 词：水合硅酸钙 硅钙比(C/S比) 氧化铝 进展 

分 类 号：TF821[冶金工程—有色金属冶金]