Recovery of Silica and Sodium Fluoride from Hexafluorosilicic Acid and Sodium Silicate

Abstract:

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A process for the recovery of nanoporous silica and sodium fluoride from hexafluorosilicic acid and sodium silicate under the different molar ratios was studied. In order to prepare the appropriate solutions of initial compounds 25% of hexafluorosilicic acid and the 18% of sodium silicate were used. Obtained nanoporous silica and sodium fluoride have been characterized by XRD, BET, TGA, EDX and SEM.

Info:

Periodical:

Materials Science Forum (Volumes 544-545)

Edited by:

Hyungsun Kim, Junichi Hojo and Soo Wohn Lee

Pages:

613-616

DOI:

10.4028/www.scientific.net/MSF.544-545.613

Citation:

J. K. Kim et al., "Recovery of Silica and Sodium Fluoride from Hexafluorosilicic Acid and Sodium Silicate", Materials Science Forum, Vols. 544-545, pp. 613-616, 2007

Online since:

May 2007

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Price:

$35.00

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