Uses of Lime

Lime is a versatile chemical substance which is indispensable for many industrial processes and applications. Lime is used in different forms:

• as uncalcined calcium carbonate (CaCO3)
• as burnt lime or quick lime (CaO)
• as hydrated lime Ca(OH)2

The most important areas of use are briefly mentioned below.

Lime is an indispensable component in:

	iron and steel   production of sinter   treatment of pig iron   basic oxygen steelmaking
	construction and building   building lime   calcium silicate bricks   masonry mortar and rendering   treatment and stabilization of soils
	water and flue gas   drinking water   waste water   sewage treatment   flue gas purification (wet and dry scrubbing)
	industrial chemicals   inorganic and organic calcium components   fluxing or bonding agent   source of calcium and alkalinity (neutralization)
	agriculture, forestry and food   soil fertility and pH improvement   lake liming   human food, animal feed additive
	other areas   glass   paper and pulp   soda lime   refining of non-ferrous metals

This compilation is not exhaustive.