Burnt Lime Manufacturing Process

Burnt Lime Manufacturing Process

Burnt lime also be called quick lime, It is produced when limestone is heated above 900 °C, a temperature at which limestone decomposes to carbon dioxide and quicklime (CaO). Quicklime is also known as Calcium oxide (CaO)/ Burnt lime. It is found in both lumps and powder form. Burnt lime is used as a flux in steel plants, metallurgical plants and refractories thus making it integral to metal manufacturing.

In wastewater treatment plants (both urban or industrial) Hydrated Lime and Burnt Lime are widely used for correcting the pH balance of acidic water, for precipitating heavy metals and phosphates, and for its flocculating action. Burnt lime manufacturing process as following:

Burnt lime manufacturing process is a Calcium oxide formed by calcining calcium carbonate (lime stone) so that carbon di-oxide is liberated. A caustic substance that is prepared by burning calcium carbonate lime stone at approximately 900 degree Celsius, at this high temperatures carbon dioxide is driven off and the lime Stone is converted to burnt lime manufacturing process. A chemical compound with formula (CaO) it is a whitish, odorless alkaline substance, that does not dissolve well in water. It can be used as a lining material. Major use is in various industrial processes like metal smelting, paper bleaching, sulphur neutralization in sugar and so many. It is used in many water and waste water treatment operations such as softening.

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