硅溶胶用作FCC催化剂粘结剂的研究现状  

Research Status of Using Silica Sol as Binder of FCC Catalyst

作　　者：张士龙[1] 刘钦甫[1] 赫军凯[1] 康艳霞[1] 

机构地区：[1]中国矿业大学(北京)地球科学与测绘工程学院,北京100083

出　　处：《当代化工》2013年第4期462-465,共4页Contemporary Chemical Industry

基　　金：中央高校基本科研业务费专项资金资助(2011YD03)

摘　　要：介绍了硅溶胶的性质,总结了单质溶解法、离子交换法、电解渗析法、胶溶法、分散法等制备方法,论述了pH值、溶胶粒子粒径、助剂及其他影响因素对硅溶胶稳定性的影响,并对粘结剂用硅溶胶的发展前景做了展望。Characteristics of silica sol were introduced. Preparation methods of silica sol were summarized, such as ionic exchange method, electro dialysis method, colloidal chemical method, dispersion method, and so on. The influence of pH, diameter Of silicon particles, promoter and other factors on the stability of silica sol were analyzed. Meanwhile, research prospect of silica sol as binder was also forecasted.

关 键 词：硅溶胶 FCC催化剂 粘结剂 

分 类 号：O648.3[理学—物理化学] O643.36[理学—化学]