Study on Factors Affecting Properties of Silica

Abstract:

Silica was prepared by precipitation method in the laboratory, and the factors which affect the performance of silica were evaluated. The results show that the reduction of concentration of base solution and reaction temperature and the increase of pH value could improve the specific surface area of precipitation silica. Specific surface area of silica prepared in laboratory is greater than which was prepared in production line and DBP absorption value and particle size are smaller than the latter. Drying process and drying methods have important influences on performance of precipitation silica. Mechanical pulverization could reduce the particle size of silica slightly and the stacking density obviously.

• Periodical: Advanced Materials Research (Volumes 233-235)
• Pages: 332-336
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.233-235.332
• Online since: May 2011
• Authors: Quan Xiao Liu, Wen Cai Xu, Yu Bin Lv, Jin Li Li
• Keywords: DBP Absorption Value, Particle Size, Precipitation Method, Silica, Specific Surface Area

References

[1] Dianmo Liu, Xiaohong Liu. Study on Reaction Conditions of Precipitation production silica. Nanchang University Journal. Vol. 16 (2001), P. 63.

[2] Xiuzao Yang. Microscopic Study of Silicate Gelation Process. Journal of Inorganic Chemistry. Vol. 5 (1989), P. 113.

[3] Guokang Li, Yunachuang Yang, Yingjie Zhu. Effect of Airflow Samsh Preparation of Ultra-fine Powder. China Powder Technology. Vol. 9, P. 15.

[4] Guokang Li, Fuqiang Yang. Superfine Smash Technology Situation and Development Tendency. China Powder Technology. Vol. 9, P. 44.