Production plant for quick lime

For more details visit website www.wehrhahn.de/en/

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Quicklime is produced by heating crushed limestone to around 1,100 degrees Celsius in a shaft furnace or rotary kiln. The heating of limestone releases carbon dioxide, leaving calcium oxide (CaCO3 produces CaO + CO2). After heating, the quicklime is crushed and then milled to the appropriate fraction.

Quick lime is one of the key ingredients in the manufacture of cement. This is also an important material used for the treatment of drinking water.
The calcium hydroxide reacts with the carbon dioxide in the atmosphere to give calcium carbonate that gains cementing properties. This reaction is called as carbonation. Hence the cementing action of lime is dependent on the rate of carbonation.

For economical consideration, sand is incorporated into the lime mixture. This not only provides bulkiness to the mixture but also helps to make the mortar porous in nature. This hence would help in letting the carbon dioxide to freely circulate within them, to promote carbonation.