Quick lime is manufactured from Gotan lime stone. Quick Lime is a lime oxide formed by calcining lime stone so that carbon di-oxide is liberated. Quick Lime is also called as lump lime or caustic lime. 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 quick lime. 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. This is accomplished by heating the material to above 825°C, a process called calcination or lime-burning.