Quicklime powder, also known as calcium oxide (CaO), is a white, alkaline, and caustic powder produced by heating limestone (calcium carbonate) in a process called calcination. Here are some key details:

Production: Quicklime is made by heating limestone at high temperatures (around 900°C to 1,200°C). The thermal decomposition releases carbon dioxide, leaving behind quicklime.

Properties:

1. Appearance: White powder or solid.
2. Solubility: Reacts with water to form slaked lime (calcium hydroxide).
3. High melting point: About 2,572°F (1,410°C).

Uses:

1. Construction: Used in the production of cement and as a soil stabilizer.
2. Environmental: Used to treat wastewater, neutralize acids, and in flue gas desulfurization.
3. Chemical Industry: Serves as a raw material in the production of various chemicals.

Safety: Quicklime is caustic and can cause burns; proper handling and protective gear are essential during use.

Storage: Should be stored in a dry, airtight container to prevent it from reacting with moisture in the air.

Quicklime plays a crucial role in various industries due to its versatile applications and chemical properties.