预混合多重燃烧水解SiCl_4制备纳米SiO_2的形态控制研究  

Study on morphology control of nano-silica prepared by pre-mixed and multi-burning hydrolysis of silicon tetrachloride

作　　者：唐红梅[1] 邓科[2] 张定明[2] 何波[2] 陈洪[2] 

机构地区：[1]宜宾学院,四川宜宾644007 [2]宜宾天原集团股份有限公司,四川宜宾644004

出　　处：《中国氯碱》2012年第3期21-24,共4页China Chlor-Alkali

摘　　要：在制备纳米二氧化硅颗粒的中试试验中,设计了多重燃烧的火焰结构以强化和稳定反应物的微观混合,并通过改变反应温度和反应物的浓度调整纳米二氧化硅颗粒的比表面积,从而得到不同规格的产品。In this paper,during preparation of nano-silica particles in a pilot plant,the multi-burning flame structure was designed to strengthen and stabilize the micro-mixing of reactants.Changing the reaction temperature and concentration,the specific surface area of nano-silica particle could be adjusted,while some different specification products were obtained accordingly.

关 键 词：多重燃烧 SiCl4 SIO2 比表面积 

分 类 号：TB383.1[一般工业技术—材料科学与工程]