Product Description
Calcium oxide, also known as quicklime or burnt lime, is a chemical compound with the formula CaO. Here are some key points about calcium oxide:
Properties
- High reactivity: Calcium oxide is highly reactive, especially with water, releasing heat and forming calcium hydroxide.
- High melting point: Calcium oxide has a high melting point of around 2613C.
Applications
- Construction: Calcium oxide is used in the production of cement, mortar, and plaster.
- Steel production: Calcium oxide is used as a flux in steel production to remove impurities.
- Water treatment: Calcium oxide is used to raise the pH of water and remove impurities.
- Paper bleaching: Calcium oxide is used in the paper industry for bleaching and pulp processing.
Production
- Calcination: Calcium oxide is produced by calcining limestone (CaCO3) at high temperatures.
Safety
- Caustic: Calcium oxide is caustic and can cause skin and eye irritation.
- Handling precautions: Handling calcium oxide requires protective gear and careful ventilation.