Kinetics of sulfuric acid breakdown of beryllium raw material activated by fusion with sodium carbonate

Kinetics of sulfuric acid breakdown of beryllium raw material activated by fusion with sodium... The kinetics of sulfuric acid breakdown of a mixture of beryl and bertrandite–phenakite–fluorite concentrates, activated by fusion with sodium carbonate, was studied. The apparent activation energy of the reaction of the granulated fusion cake with sulfuric acid was determined (E app = 9.1 kJ mol–1). This value of E app is typical of diffusion-controlled processes and suggests that the process is controlled by the rate of diffusion of acid molecules to the reaction surface through the layer of the forming reaction products. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Kinetics of sulfuric acid breakdown of beryllium raw material activated by fusion with sodium carbonate

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Publisher
Pleiades Publishing
Copyright
Copyright © 2016 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/S1070427216020038
Publisher site
See Article on Publisher Site

Abstract

The kinetics of sulfuric acid breakdown of a mixture of beryl and bertrandite–phenakite–fluorite concentrates, activated by fusion with sodium carbonate, was studied. The apparent activation energy of the reaction of the granulated fusion cake with sulfuric acid was determined (E app = 9.1 kJ mol–1). This value of E app is typical of diffusion-controlled processes and suggests that the process is controlled by the rate of diffusion of acid molecules to the reaction surface through the layer of the forming reaction products.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: May 22, 2016

References

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