Effect of CO₂ Flow Rate on the Synthesis Nanosized Precipitated Calcium Carbonate, PCC

Abstract:

The precipitated of calcium carbonate has attractedmuch attention because of its numerous applications in various areas of plastics, textiles, rubbers, adhesives, paints and wastewater treatment. Nanosized of precipitated calcium carbonate,(PCC) will enhance the properties and give better performance. Its high purity and close controlled particle size and shape are making it the white filler of choice. Nanosized precipitated calcium carbonate particles were prepared using spraying method. The particles were prepared using three (3) different concentrations of Calcium Hydroxide,Ca (OH)₂, three (3) CO₂ flow rate and three (3) different calcinations temperature. The three (3) concentration of Calcium Hydroxide that been used are 25g/200ml, 25g/ 400ml and 25g/800ml and each of these initial solution sprayed at three (3) different CO₂ flow rate, 5l/per-minute, 7l/per-minute and 10l/per-minute. Calcium Carbonate, CaCO₃ powders were then calcined at three (3) different temperature, 1100°C,1200°C and 1300°C. Images from SEM showed morphology of the particles changed to spindle-like or prismatic when the ionic strength of the Calcium Hydroxide, Ca (OH)₂ was increased.

• Periodical: Applied Mechanics and Materials (Volume 481)
• Pages: 72-75
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.481.72
• Online since: December 2013
• Authors: O. Nooririnah*, Azwar Azhari Muhamad, Y. Yusliza, Abreeza Manap, M.J. Md Ashadi
• Keywords: Effect CO₂ Flow Rate, MOL, Synthesis PCC

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