Study of Operational Conditions for the Precipitated Calcium Carbonate Production

Abstract:

Article Preview

Calcium carbonate (CaCO3) is a natural occurring mineral or it can be produced by chemical means. This last product is often referred to as Precipitated Calcium Carbonate (PCC). PCC has various advantanges since it exhibits higher brightness and opacity. There can be considerable variation in the properties of the PCC depending upon the process conditions used to prepare it. In this work, the effect of different factors on the particle size of PCC has been investigated. The experiments were performed by bubbling CO2 in slaked lime suspensions. The pH of the lime slurry was 12 or higher at the beginning, but it decreased, down to an equilibrium pH of 8± 1, when the reaction was considered complete.

Info:

Periodical:

Materials Science Forum (Volumes 591-593)

Edited by:

Lucio Salgado and Francisco Ambrozio Filho

Pages:

526-530

DOI:

10.4028/www.scientific.net/MSF.591-593.526

Citation:

E. C. Silva Souto et al., "Study of Operational Conditions for the Precipitated Calcium Carbonate Production", Materials Science Forum, Vols. 591-593, pp. 526-530, 2008

Online since:

August 2008

Export:

Price:

$35.00

In order to see related information, you need to Login.