陶瓷膜分离技术在纳米SiO_2工业生产中的应用  

Application of Ceramic Membrane Separation Technology in Nanosilica IndustrialProduction

作　　者：李庆华[1] 曹智[1] 李小红[1] 

机构地区：[1]河南省纳米材料工程技术研究中心河南大学,河南开封475001

出　　处：《化学研究》2006年第2期77-79,83,共4页Chemical Research

基　　金：国家高技术研究发展计划资助项目(2002AA302607)

摘　　要：研究了无机陶瓷膜在纳米二氧化硅生产过程中对二氧化硅胶体的洗涤和浓缩工艺.考察了洗涤过程中料液的pH值、电导率、浓度与渗透通量之间的关系,确定了陶瓷膜过滤纳米S iO2工业生产中最佳的用水方式.The washing and concentration technology with inorganic ceramic membrane to produce nanosilica was studied. The relationship of permeation flux with the conductivity, pH value of the washing solution, and the solid content were researched. Experiments were studied to ascertain the optimal way of using water in the process of industrial production.

关 键 词：陶瓷膜 纳米二氧化硅 电导率 渗透通量 

分 类 号：TQ028.5[化学工程]