Leaching SiO2 and Al2O3 Impurities from Leucoxene from the Yaregskoe Deposit by Sodium Hydroxide Solution


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Аннотация

This work presents the results of experimental studies of leaching aluminosilicate and quartz impurities from leucoxene from the Yaregskoe deposit by sodium hydroxide solution by sodium hydroxide solution. According to the data, the type of kinetic equation of SiO2 dissolution is defined, as are the equation parameters, including the orders by the reagents, the preexponential factor, and the activation energy. The activation energy of 77.2 ± 3.9 kJ/mol corresponds to the kinetic region of the reaction behavior.

Авторлар туралы

K. Zanaveskin

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science; Karpov Institute of Physical Chemistry (Russian State Scientific Center)

Хат алмасуға жауапты Автор.
Email: zanaveskink@gmail.com
Ресей, Moscow, 119991; Moscow, 105064

A. Maslennikov

Karpov Institute of Physical Chemistry (Russian State Scientific Center)

Email: zanaveskink@gmail.com
Ресей, Moscow, 105064

S. Zanaveskina

Karpov Institute of Physical Chemistry (Russian State Scientific Center)

Email: zanaveskink@gmail.com
Ресей, Moscow, 105064

G. Dmitriev

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science; Karpov Institute of Physical Chemistry (Russian State Scientific Center)

Email: zanaveskink@gmail.com
Ресей, Moscow, 119991; Moscow, 105064

L. Zanaveskin

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science

Email: zanaveskink@gmail.com
Ресей, Moscow, 119991

E. Politova

Karpov Institute of Physical Chemistry (Russian State Scientific Center)

Email: zanaveskink@gmail.com
Ресей, Moscow, 105064

V. Vlasenko

OAO YaregaRuda

Email: zanaveskink@gmail.com
Ресей, Ukhta, 169309

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