Preparation of Silica Nanoparticles Using Silica-Rich Filtrate from Potassium-Rich Rock

Cong Cong Yin; Hong Bin Qi; Xiao Chao Chen; Zhi Hui Wang

doi:10.4028/www.scientific.net/AMR.160-162.1372

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 160-162Preparation of Silica Nanoparticles Using...

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.

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Periodical:

Advanced Materials Research (Volumes 160-162)

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1372-1377

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.160-162.1372

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Online since:

November 2010

Authors:

Cong Cong Yin, Hong Bin Qi, Xiao Chao Chen, Zhi Hui Wang

Keywords:

Characterization, Chemical Precipitation, Silica Nanoparticle, Ultrasonic Dispersion Method

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