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Colloidal silica recovery from a hydrothermalhydrothermal heat-transfer medium by membrane filters

Theoretical Foundations of Chemical Engineering volume 41, pages 599–605 (2007)Cite this article

Abstract

A process flowsheet with baromembrane facilities to recover colloidal silica from a hydrothermal heat-transfer medium is proposed. The flowsheet is developed with taking into account data on the kinetics of nucleation and polymerization of orthosilicic acid, the size distribution of colloidal particles, and experiments on the recovery of particles using membrane filters of various pore diameters. The use of membrane filters allows one to obtain amorphous silica with a reduced impurity content and a high specific surface area, as well as an aqueous hydrosol of colloidal silica.

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Authors and Affiliations

  1. Geotechnological Research Center, Far East Branch, Russian Academy of Sciences, Severo-Vostochnoe sh. 30, Petropavlovsk-Kamchatskii, 683002, Russia

    V. V. Potapov, A. A. Cerdan Jr., V. A. Gorbach, E. A. Litmanovich, G. V. Terpugov & V. N. Mynin

  2. Moscow State University, Moscow, 119992, Russia

    V. V. Potapov, A. A. Cerdan Jr., V. A. Gorbach, E. A. Litmanovich, G. V. Terpugov & V. N. Mynin

  3. Mendeleev University of Chemical Technology, Miusskaya pl. 9, Moscow, 125190, Russia

    V. V. Potapov, A. A. Cerdan Jr., V. A. Gorbach, E. A. Litmanovich, G. V. Terpugov & V. N. Mynin

Authors
  1. V. V. Potapov
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  2. A. A. Cerdan Jr.
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  3. V. A. Gorbach
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  4. E. A. Litmanovich
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  5. G. V. Terpugov
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  6. V. N. Mynin
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Additional information

Original Russian Text © V.V. Potapov, A.A. Cerdan, V.A. Gorbach, E.A. Litmanovich, G.V. Terpugov, V.N. Mynin, 2006, published in Khimicheskaya Tekhnologiya, 2006, No. 5, pp. 2–8.

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Potapov, V.V., Cerdan, A.A., Gorbach, V.A. et al. Colloidal silica recovery from a hydrothermalhydrothermal heat-transfer medium by membrane filters. Theor Found Chem Eng 41, 599–605 (2007). https://doi.org/10.1134/S0040579507050247

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  • DOI: https://doi.org/10.1134/S0040579507050247

Keywords

  • Silicic Acid
  • Amorphous Silica
  • Colloidal Silica
  • Hydrothermal Solution
  • Ceramic Membrane