Production of Granular Calcium Chloride From Waste Limestone Stone by Hydrochloric Acid Decomposition Method
2024
Vafayev, O. | Kurbanova, A.
In the JV LLC Kungrad Soda Plant of the Republic of Uzbekistan, after the lime slaking process in the limestone roasting and lime slaking shop for soda ash production, solid waste consisting of a certain amount of free calcium oxide and impurities contained in the feedstock and separated from lime milk is discharged into a sludge accumulator for solid waste. The volume and composition of discharged solid waste (stones from the inner part of the stone sieve pos. L0206, sand from the milk sieve pos. L0204 and stone sieve pos. L0206) per 1 ton of finished products is over 50 kg. Imports of granular calcium chloride to Uzbekistan amount to more than $6 million per year.
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