Paper Title:
Preparation of Silica Nanoparticles Using Silica-Rich Filtrate from Potassium-Rich Rock
  Abstract

The silicon-rich filtrate which was obtained from the desilication solution of potassium-rich rock was used as raw materials to prepare nanometer sillica and ultrasonic dispersion method was applied to the chemical precipitation process. A detailed study was carried out on the effect of filtrate concentration, surfactant dosage, reaction temperature, calcinations temperature, ultrasonic dispersion on size of silica nanoparticles. The basic properties and size of particles were characterized by means of FE-SEM, TEM, XRD, TGA and FTIR. The results obtained in the study indicated that monodisperse and uniform-size silica nanoparticles were prepared using ultrasonication by chemical precipitation process and the average particle size was 50 nm.

  Info
Periodical
Advanced Materials Research (Volumes 160-162)
Edited by
Guojun Zhang and Jessica Xu
Pages
1372-1377
DOI
10.4028/www.scientific.net/AMR.160-162.1372
Citation
C. C. Yin, H. B. Qi, X. C. Chen, Z. H. Wang, "Preparation of Silica Nanoparticles Using Silica-Rich Filtrate from Potassium-Rich Rock", Advanced Materials Research, Vols. 160-162, pp. 1372-1377, 2011
Online since
November 2010
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$32.00
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