<abstract xmlns="http://www.w3.org/1999/xhtml">Reactivity of energy gypsum was investigated. The method is based on the conversion reaction of aqueous suspension of gypsum with ammonium carbonate solution. Rate of the conversion of all investigated samples, including gypsum originating from flue gas desulphurization (FGD), was high and 80 % conversion was achieved during one hour. It was found that there is a correlation between BET specific surface and the rate of the conversion reaction.</abstract>

Reactivity of energy gypsum was investigated. The method is based on the conversion reaction of aqueous suspension of gypsum with ammonium carbonate solution. Rate of the conversion of all investigated samples, including gypsum originating from flue gas desulphurization (FGD), was high and 80 % conversion was achieved during one hour. It was found that there is a correlation between BET specific surface and the rate of the conversion reaction.

Determination of the reactivity of CaSO4 · 2H2O

Institute of Inorganic Chemistry, Technology and Materials, Faculty of Chemical and Food Technology STU in Bratislava, Radlinského 9, 812 37 Bratislava, Slovak Republic

VUCHT, a.s., Nobelova 34, 836 03 Bratislava, Slovak Republic

Acta Chimica Slovaca

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Determination of the reactivity of CaSO · 2HO

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Reactivity of energy gypsum was investigated. The method is based on the conversion reaction of aqueous suspension of gypsum with ammonium carbonate solution....

Determination of the reactivity of CaSO₄ · 2H₂O

Publié en ligne: 08 juin 2016

Pages: 1 - 5

DOI: https://doi.org/10.1515/acs-2016-0001

Mots clés
FGD gypsum, reactivity of CaSO·2HO, ammonium carbonate, BET surface

© 2016 Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Determination of the reactivity of CaSO4 · 2H2O

Publié en ligne: 08 juin 2016

Pages: 1 - 5

DOI: https://doi.org/10.1515/acs-2016-0001

Mots clésFGD gypsum, reactivity of CaSO·2HO, ammonium carbonate, BET surface

© 2016 Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Determination of the reactivity of CaSO₄ · 2H₂O

Mots clés
FGD gypsum, reactivity of CaSO·2HO, ammonium carbonate, BET surface