Caleras de San Cucao, S.A.
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The Hydration Process

In the presence of water, in some certain proportions, the quicklime is hydrated, according to the reaction:

Reacción de hidratación de la cal viva.


As it is shown in the equation above, the hydration process is strongly exothermic, which causes a very fine natural pulverization of the product. The product so obtained is called hydrated lime on slaked lime.

For the industrial realization of this process, an apparatus denominated hydrator is used. It is equipped with a series of devices for the control of the hydration reaction and of the humidity of the moisturized lime. The resulting product should later on be subjected to a highly efficient separation process to achieve a final product with a grain size below 60 microns..

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