PROJECT CASE
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PROJECT CASE



PCC special tray dryer
Detailed description
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).
Scene real pictures:

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