RECOVERY OF SODIUM CHLORIDE AND OTHER SALTS FROM BRINE

RECOVERY OF SODIUM CHLORIDE AND OTHER SALTS FROM BRINE

A new process for recovery of common salt, potassium chloride, concentrated magnesium chloride with enriched bromide, and high purity magnesia form brin e in an integrated manner, said process comprises preparation of calcium chloride by reaction of hydrochloric acid generated in the process with li...

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Hauptverfasser: VOHRA, RAJINDER NATH, SARAIYA, UPENDRA PADMAKANT, JOSHI, HIMANSHU LABHSHANKER, MAJEETHIA, KISHORKUMAR MANMOHANDAS, MOHANDAS, VADAKKE PUTHOOR, YADAV, RAN BAHADUR, DERAIYA, HASINA HAJIBHAI, DAGA, SOHAN LAL, GHOSH, PUSHPITO KUMAR, DAVE, ROHIT HARSHADRAY, HALDER, KOUSHIK
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
INORGANIC CHEMISTRY
METALLURGY
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Beschreibung
Zusammenfassung:A new process for recovery of common salt, potassium chloride, concentrated magnesium chloride with enriched bromide, and high purity magnesia form brin e in an integrated manner, said process comprises preparation of calcium chloride by reaction of hydrochloric acid generated in the process with limestone, desulphatation of brine with calcium chloride, production of sodi um chloride or superior quality in solar pans, solar evaporation of bittern thereby producing carnallite and end bittern, processing carnallite through established processes to produce potassium chloride, recovering end bittern containing highly concentrated magnesium chloride and enriched bromide and calcination of a part of the end bittern after solidification to produce hig h purity magnesia and hydrochloric acid utilizable in the process.