Hydrated lime, also known as calcium hydroxide (chemical formula: Ca(OH)2), is a white, powdery or crystalline substance created by adding water to quicklime (calcium oxide, CaO). This process is called slaking, and the product is commonly used in:
Common Uses:
1. Construction:
Mortars and plasters
Soil stabilization for road bases
Whitewashing walls
2. Water treatment:
Raises pH to reduce water acidity
Precipitates heavy metals
3. Agriculture:
Reduces soil acidity
Improves soil structure
4. Chemical industry:
Used in flue gas treatment
Acts as a neutralizing agent in various processes
5. Food industry (in small, regulated amounts):