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  5. Other processes for obtaining chlorine

Article | REF: J6215 V2

Chlorine (Cl2)

Author: Jean-Christophe MILLET

Publication date: September 10, 2007 | Lire en français

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    6. Other processes for obtaining chlorine

    Among the processes for recycling HCl into chlorine, there are three main categories:

    • electrolysis of HCl into chlorine;

    • oxidation of HCl by nitric acid (Kel-Chlor process);

    • catalytic oxidation of HCl (Deacon process).

    6.1 Electrolysis of HCl solutions

    There are three processes:

    • electrolysis of aqueous solutions using a diaphragm (Uhde process);

    • gas phase electrolysis (Dupont process);

    • membrane electrolysis (Bayer/De Nora process).

    Electrolysis in an aqueous HCl solution requires an...

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