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

Katarzyna Białowicz; Urszula Kiełkowska

doi:10.2478/pjct-2014-0037

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.

References

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

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