Control of the Crystal Morphological Characteristic and Size of Nano-PCC via Turbo-Mixing Reactive Precipitation

Mohd Darus Daud; Aimi Noorliyana Hashim; Azmi Rahmat; Mohd Mustafa Al Bakri Abdullah; Ahmad Hadzrul Iqwan Jalauddin

doi:10.4028/www.scientific.net/AMM.754-755.770

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 754-755Control of the Crystal Morphological...

Control of the Crystal Morphological Characteristic and Size of Nano-PCC via Turbo-Mixing Reactive Precipitation

Abstract:

An innovative and novel technology method of processing called Turbo-Mixing Reactive Precipitation (TMRP) design proposed as an alternative to this current processing or conventional productions of fine precipitated calcium carbonate (nanoPCC) in turbo-mixing conditions. In this paper, the effect of the stirring rate onto morphology, particle sizes and reaction time of the precipitated CaCO₃ particles was discussed. CaCO₃ nanoparticles with an average particle size of approximately 15.75 nm were successfully obtained by stirring rotation speed at 900 rpm. The structural analysis was conducted using a Scanning Electron Microscope (SEM) and a Field Emission Scanning Electron Microscope (FESEM). The results showed that the increasing of the multiple’s impeller stirring rotation speed is in favor of the formation of the spherical vaterite.

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Periodical:

Applied Mechanics and Materials (Volumes 754-755)

Pages:

770-774

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.754-755.770

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Online since:

April 2015

Authors:

Mohd Darus Daud*, Aimi Noorliyana Hashim, Azmi Rahmat, Mohd Mustafa Al Bakri Abdullah, Ahmad Hadzrul Iqwan Jalauddin

Keywords:

Carbonation, Nano-PCC, Precipitate Calcium Carbonate, Slaking Process

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