Heterophase Synthesis of Zirconium Hydroxide from Zirconium Oxychloride


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Abstract

The effects of the nature and concentration of bases, as well as the reactants ratio and the process temperature on the properties of zirconium hydroxides synthesized via heterophase conversion of zirconium oxychloride have been studied. An optimal concentration range of the alkalis for the transformation of the precipitates from a gel-like state to a crystal-like one has been established. The transition process was found to be accompanied by a significant decrease of the apparent volume. The crystal-like zirconium hydroxide synthesized during the study inherited the morphological features of the initial zirconium oxychloride that can be considered as an anamorphosis phenomenon.

About the authors

A. V. Zhukov

Mendeleev University of Chemical Technology

Email: chizh@rctu.ru
Russian Federation, ul. Miusskaya sq. 9, Moscow, 125047

S. V. Chizhevskaya

Mendeleev University of Chemical Technology

Author for correspondence.
Email: chizh@rctu.ru
Russian Federation, ul. Miusskaya sq. 9, Moscow, 125047

Pyae Phyo

Mendeleev University of Chemical Technology

Email: chizh@rctu.ru
Russian Federation, ul. Miusskaya sq. 9, Moscow, 125047

V. A. Panov

Prokhorov General Physics Institute, Russian Academy of Sciences

Email: chizh@rctu.ru
Russian Federation, ul. Vavilova 38, Moscow, 119991

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