Quicklime vs Hydrated Lime: Differences and Applications
blog.published_at: 15 Mart 2026
Lime is one of humanity's oldest industrial raw materials. For thousands of years, it has been used in many fields from construction to metallurgy, agriculture to environmental protection.
What is Quicklime (CaO)?
Quicklime is calcium oxide obtained by calcination of limestone (CaCO₃) at high temperatures (900–1100°C). Its chemical formula is CaO. It is a highly reactive substance ranging from white to light yellow.
What is Hydrated Lime (Ca(OH)₂)?
Hydrated lime is calcium hydroxide obtained by the reaction (hydration) of quicklime with water. Intense heat is released during this exothermic reaction.
Key Differences
| Property | Quicklime | Hydrated Lime |
|---|---|---|
| Chemical Formula | CaO | Ca(OH)₂ |
| Production | Calcination | Hydration |
| Reactivity | Very high | Moderate |
| Water reaction | Violent (exothermic) | Stable |
Industrial Applications
Both types of lime have a wide range of industrial applications. Contact our expert team for detailed technical consultation.