Numerical simulation of orthosilicic acid polycondensation and silica particles formation inhydrothermal solutions

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Numerical simulation of the process of polycondensation of orthosilicic acid and colloid silica particles growth under different physical and chemical conditions was done: temperature, pH, ionic strength and other. Calculated dependences of orthosilicic acid concentration and mean radius of silica particles versus time, graphs of particles dimensions distributions were received. Results of calculations were compared with experimental data. Research is important for to make clear role of colloid silica on hydrothermal mineral formation and for industrial extraction and utilization of silica, and also for mineral synthesis.

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V. Potapov

Research Geotechnological Center of Far East Division of Russian Academy of Sciences

编辑信件的主要联系方式.
Email: vadim_p@inbox.ru
俄罗斯联邦, Severo-Vostochnoe highway, 30, p.b. 56, Petropavlovsk-Kamchatsky, 683002

A. Cerdan

Moscow Lomonosov State University

Email: cerdan@mail.ru

Chemical Department

俄罗斯联邦, Leninskie Gory, 1, building 3, Moscow, 119991

I. Kashutina

Kamchatka Bering State University

Email: k1i2a3@yandex.ru
俄罗斯联邦, Leningradskaya str. 4, Petropavlovsk-Kamchatsky, 683032

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