Abstract

Precipitated calcium carbonate (PCC) is known as purified and refined synthetic calcium carbonate. PCC is synthesized through calcination process to convert limestone to quicklime, hydration process to make slaked lime and carbonation process to produce precipitated calcium carbonate. PCC is largely classified into calcite (stable phase) and aragonite (metastable phase), and this polymorphism is due to the characteristics of limestone ores and the differences of calcination/hydration/carbonation process conditions. In this study, the effects of the calcination and hydration behavior on the synthesis of PCC will be discussed using limestone with different chemical composition.

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