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  Precipitation of calcium carbonate particles in nonionic and ionic microemulsions

Rauscher, F., & Sundmacher, K. (2003). Precipitation of calcium carbonate particles in nonionic and ionic microemulsions. In G. Coquerel (Ed.), BIWIC 2003: 10th International Workshop on Industrial Crystallization (pp. 257-263).

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 Urheber:
Rauscher, Frank1, Autor           
Sundmacher, Kai1, 2, Autor           
Affiliations:
1Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738151              
2Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Zusammenfassung: Precipitation is usually considered as a very fast process where solid particles are generated as a result of an irreversible chemical reaction in the liquid phase. A high supersaturation level is achievable by feeding highly concentrated reactants into the reactor. At this point the rapid and efficient mixing of the educts becomes a very important issue, which controls the subsequent process steps and the resulting product quality. It is more or less impossible to ensure that the supersaturation is spatially homogeneous if fast chemical reactions are involved. So, a narrow particle size distribution (PSD), which is favorable for numerous industrial applications, is difficult to realize by conventional precipitation. In this study the benefits of microemulsion systems (water/cyclohexane/Marlipal O13/40, water/cyclo-hexane/AOT) for carrying out precipitation reactions are investigated and discussed. As a representative model system the precipitation of calcium carbonate was chosen.

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Sprache(n): eng - English
 Datum: 2003
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Identifikatoren: eDoc: 123839
Anderer: 861
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Titel: BIWIC 2003 : 10th International Workshop on Industrial Crystallization
Genre der Quelle: Konferenzband
 Urheber:
Coquerel, G., Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 257 - 263 Identifikator: ISBN: 3-86130-198-9