A shaft furnace or rotary kiln is used to heat crushed limestone to 1,100 degrees Celsius to produce quicklime mineral. When limestone is heated, carbon dioxide is released, leaving calcium oxide. Quicklime is crushed, milled, and then filtered. With the chemical formula CaO, it is a whitish, odorless alkaline substance. This compound is not easily soluble in water. A variety of industries use quicklime mineral, including the production of steel and iron, paper and pulp production, and mining. The applications include paper bleaching, metal smelting and many other. Our company has its own reserves and production plant, where personnel develop the different properties required for the optimal operation of the processes of our customers, regardless of the application.