Abstract
The implementation of calcium carbonate nanoparticles in a variety of industrial applications has been remarkably brought to attention. Precipitated calcium carbonate nanoparticle is widely used in specialized purity-defined applications. The characteristics of the precipitated calcium carbonate are controlled by some process variables. This paper aims at studying the production of calcium carbonate via a carbonation route that can also be considered an efficient utilization of carbon dioxide. A Synthetic Solvay wastewater sample has been prepared and carbonated for the manufacture of nano-precipitated calcium carbonate. In addition, the effect of three independent controllable factors, i.e., stirring rate, ammonia, and glycerol (as an additive), on yield and particle size has been investigated. For constructing experimental runs as well as optimizing process variables for optimum yield and particle size, Response Surface Methodology (RSM) via factorial experiments with centre points was used. The actual link between reaction variables and responses has been represented by two regression models. Numerous statistical validation procedures, including an analysis of variance (ANOVA) at the 95% confidence level, have been used to test the adequacy of the projected models. Investigating the elements that influence calcium carbonate preparation reveals a considerable improvement in the physical characteristics of the final product.
Published Version
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