Brine Purification Technology on IM Electrolysis System

In the past, mercury electrolysis and diaphragm electrolysis were used for the manufacture of caustic soda and chlorine. In recent years however, due to growing concerns to prevent contamination of the environment, save energy and ensure a high grade of caustic soda purity, ion exchange membrane (IM...

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Bibliographic Details
Published inJournal of Ion Exchange Vol. 17; no. 3; pp. 97 - 100
Main Authors FURUSHO, Saburo, ISHII, Takashi, OKUMURA, Naoyuki, KIKUCHI, Takashi, MIYAGI, Masashi
Format Journal Article
LanguageEnglish
Published Japan Society of Ion Exchange 2006
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Summary:In the past, mercury electrolysis and diaphragm electrolysis were used for the manufacture of caustic soda and chlorine. In recent years however, due to growing concerns to prevent contamination of the environment, save energy and ensure a high grade of caustic soda purity, ion exchange membrane (IM) electrolysis is gaining popularity and being used more and more frequently all over the world. In the case of the ion exchange membrane method, in particular, the brine itself must be of very high purity. By using a chelating resin we remove alkaline earth metal ions in brine.And we remove sulfate ion in brine by using amphoteric ion exchange resin. Then we introduce briefly the purification technology of using ion exchange resin for crude brine on IM electrolysis system.
ISSN:0915-860X
1884-3360
DOI:10.5182/jaie.17.97