PROCESS FOR PURIFYING AN AQUEOUS ALKALI METAL CHLORIDE SOLUTION FROM AMMONIA COMPOUNDS AND IODINATED COMPOUNDS

PROCESS FOR PURIFYING AN AQUEOUS ALKALI METAL CHLORIDE SOLUTION FROM AMMONIA COMPOUNDS AND IODINATED COMPOUNDS

Process for the purification of an aqueous alkali metal chloride solution from iodine compounds and ammonium compounds, in which the operation is carried out in two successive stages comprising a first stage in which the iodine compounds are oxidized to molecular iodine which is removed from the sol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FILIPPONE, MAURO, LESSI, CARLO
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
INORGANIC CHEMISTRY
METALLURGY
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Beschreibung
Zusammenfassung:Process for the purification of an aqueous alkali metal chloride solution from iodine compounds and ammonium compounds, in which the operation is carried out in two successive stages comprising a first stage in which the iodine compounds are oxidized to molecular iodine which is removed from the solution on a halogenated basic anion exchange resin, and a second stage in which the ammonium compounds are oxidized to form nitrogen which is removed in a stream of inert gas.