This process may be carried out in single or multiple stages, depending on initial and final concentrations. For a high range of dilutions, multiple stages are required to limit the temperature rise arising from dilution.
The concentrated Sulfuric acid is pumped from the Feed tank to the Mixer, where Dilution water is added in metered quantity. This section allows the intimate mixing of concentrated Sulfuric acid with water to yield intermediate / required strength of Sulfuric acid. The resultant acid is now passed through shell and tube type cooler where it is cooled down by circulating cooling water.
The final Dilute Sulfuric acid is taken to the storage facility for further use. For multiple stages, this process is repeated. The intermediate concentration is carefully calculated and selected to optimize the system.
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