Study of the nonisothermal decomposition kinetics of the Zn4CO3(OH)6/Al(OH)3 system

Study of the nonisothermal decomposition kinetics of the Zn4CO3(OH)6/Al(OH)3 system Friedman and Flynn-Wall-Ozava methods were used to study the nonisothermal decomposition kinetics of the Zn4CO3(OH)6/Al(OH)3 system. It was shown that thermolysis processes occur in the kinetic mode and, after a degree of decomposition exceeding 0.9 is reached, pass under diffusion control. It was found that, upon co-grinding of the components, the apparent activation energy increases as compared with the values for the starting mixture. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Study of the nonisothermal decomposition kinetics of the Zn4CO3(OH)6/Al(OH)3 system

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Publisher
Pleiades Publishing
Copyright
Copyright © 2014 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S107042721411007X
Publisher site
See Article on Publisher Site

Abstract

Friedman and Flynn-Wall-Ozava methods were used to study the nonisothermal decomposition kinetics of the Zn4CO3(OH)6/Al(OH)3 system. It was shown that thermolysis processes occur in the kinetic mode and, after a degree of decomposition exceeding 0.9 is reached, pass under diffusion control. It was found that, upon co-grinding of the components, the apparent activation energy increases as compared with the values for the starting mixture.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Mar 3, 2015

References

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