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PCC Special Tray Dryer

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PCC Special Tray Dryer

PCC (Light Calcium Carbonate), also known as precipitated calcium carbonate (Precipitated Calcium Carbonate, referred to as PCC), it is ...

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PCC Special Tray Dryer

Project description:

PCC (Light Calcium Carbonate), also known as precipitated calcium carbonate (Precipitated Calcium Carbonate, referred to as PCC), is calcined limestone and other raw materials to generate lime (calcium oxide main ingredient) and carbon dioxide, along with water to generate a milk of lime lime digestion (mainly component is calcium hydroxide), and then pass into carbon dioxide carbonation lime to produce calcium carbonate precipitation, and finally by dehydration,, drying and grinding system. Or first with sodium carbonate and calcium chloride to form calcium carbonate precipitation metathesis reaction, then dehydrated, dried and pulverized and prepared. Because light calcium carbonate sedimentation volume (2.4-2.8mL / g) the proportion of calcium carbonate sedimentation volume (1.1-1.4mL / g) large, so called PCC. White powder. Tasteless, odorless. Specific gravity of about 2.71. Decomposition 825 ~ 896.6 ℃. Melting point 1339 ℃. Have two forms of amorphous and crystalline form, it can be divided into the crystalline orthorhombic and hexagonal columnar or diamond. Insoluble in water and alcohol. Dissolved in acid, and release carbon dioxide, the reaction was exothermic. Also dissolved ammonium chloride solution. Stability in the air, a slight moisture absorption capacity. Summary Materials: Calcium carbonate product is a powder, calcium carbonate powder according to the average particle diameter (d) of the size, can be classified into calcium carbonate particles (d> 5μm), calcium carbonate powder (of 1 m).

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