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Jean-Christophe MILLET : Process Manager. Chlorochemistry Division - Arkema
INTRODUCTION
There are two industrially-developed processes for obtaining sodium hypochlorite:
the chemical process which is the main subject of this text;
the electrochemical process, in which a sodium chloride solution (brine or seawater) is fed to electrolyzers with or without a separator, generating chlorine at the anode and sodium hydroxide at the cathode. In the case of electrolyzers without separators, hypochlorite is obtained in situ; otherwise, the two reagents are mixed in a specific reactor. This process is characterized by dilute solutions with less than 10 g/l active chlorine.
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EDITIONS
Other editions of this article are available:
- Sep 2007 current edition by Jean-Christophe MILLET
Sodium hypochlorite NaClO
Definitions
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