Lime manufacturing involves the production of lime, primarily from limestone, through a process called calcination. In this process, limestone (calcium carbonate) is heated in a kiln at high temperatures, typically around 900 to 1,200 degrees Celsius. This heating causes the limestone to decompose into quicklime (calcium oxide) and carbon dioxide gas. The quicklime can then be further processed to create hydrated lime (calcium hydroxide) by adding water. Lime is widely used in various industries, including construction, agriculture, and water treatment, due to its ability to neutralize acidity and improve soil quality.