The Process of Converting Lime to Hydrated Lime

The process of adding water to lime to convert it into a hydrated lime is known as slaking. This process involves the following steps:

1. Preparation of Lime: Before slaking, the lime should be properly prepared by crushing it into a powder form. This is done to increase the surface area of lime, allowing it to react more efficiently with water.

2. Mixing Lime with Water: The next step is to mix the lime powder with water. The amount of water used will depend on the type of lime and the desired consistency of the hydrated lime.

3. Chemical Reaction: When water is added to lime, a chemical reaction takes place, which releases heat and converts the lime into a hydrated form. This reaction is known as the exothermic reaction.

4. Formation of Hydrated Lime: As the lime reacts with water, it forms a white powdery substance known as hydrated lime. This substance is also known as calcium hydroxide.

5. Testing and Storage: The final step is to test the hydrated lime for its quality and store it properly. Hydrated lime should be stored in a dry place and away from moisture.

Benefits of Hydrated Lime:

Hydrated lime has several benefits, including:

1. It has a high pH value, which makes it an effective neutralizer of acidic soils.

2. It can be used as a disinfectant and preservative.

3. It is an essential ingredient in the production of cement, plaster, and mortar.

4. It is used in the treatment of water and wastewater.

Conclusion:

The process of converting lime to hydrated lime involves slaking, which is the addition of water to lime. This process results in the formation of hydrated lime, which has several benefits in various industries. Proper preparation and storage of hydrated lime are essential to ensure its quality and effectiveness.

Quick lime is get from calcium carbonate CaC03