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Process Description

Burnt lime is treated with hydrochloric acid to produce calcium chloride.  The addition of the acid should be so calculated and adjusted that almost a neutral solution is obtained.  The clear solution of calcium chloride is decanted from the top.  A portion of calcium chloride solution is taken in evaporators and crystallized in suitable crystallizer.

CaCO3+2HC1 → CaC12+H2O+CO2
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