<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The results of the precipitation of calcium carbonate from a waste post-distillation liquid (DS) and a sodium bicarbonate saturated solution – both from the Solvay method – in the presence of urea are presented. The investigation was carried out at 293 K and 343 K. Reagent dosage times of 1, 5, 10, 20 and 30 min, and urea concentrations of 5, 6 and 10 mol/dm<sup>3</sup> were applied. The granulometric composition, the values of bulk and packing densities and the absorptiveness sorption of water and paraffin oil from the obtained calcium carbonate were investigated.</p></abstract>

The results of the precipitation of calcium carbonate from a waste post-distillation liquid (DS) and a sodium bicarbonate saturated solution – both from the Solvay method – in the presence of urea are presented. The investigation was carried out at 293 K and 343 K. Reagent dosage times of 1, 5, 10, 20 and 30 min, and urea concentrations of 5, 6 and 10 mol/dm3 were applied. The granulometric composition, the values of bulk and packing densities and the absorptiveness sorption of water and paraffin oil from the obtained calcium carbonate were investigated.

Precipitation of Calcium Carbonate in the Presence of Urea at 293 K and 343 K

Nicolaus Copernicus University, Faculty of Chemistry, 7 Gagarin Street, 87-100 Toruń, Poland, e-mail: fiodor@chem.umk.pl

Polish Journal of Chemical Technology

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

{"article-title":"Precipitation of Calcium Carbonate in the Presence of Urea at 293 K and 343 K"}

The results of the precipitation of calcium carbonate from a waste post-distillation liquid (DS) and a sodium bicarbonate saturated solution – both from the...

Precipitation of Calcium Carbonate in the Presence of Urea at 293 K and 343 K

Publié en ligne: 26 juin 2014

Pages: 95 - 98

DOI: https://doi.org/10.2478/pjct-2014-0037

Mots clés
calcium carbonate, precipitation, sodium bicarbonate, urea, utilization

© 2014 Katarzyna Białowicz and Urszula Kiełkowska

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

Precipitation of Calcium Carbonate in the Presence of Urea at 293 K and 343 K

Publié en ligne: 26 juin 2014

Pages: 95 - 98

DOI: https://doi.org/10.2478/pjct-2014-0037

Mots cléscalcium carbonate, precipitation, sodium bicarbonate, urea, utilization

© 2014 Katarzyna Białowicz and Urszula Kiełkowska

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

Mots clés
calcium carbonate, precipitation, sodium bicarbonate, urea, utilization