Sodium removal, from brines

Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Organic

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502407, 502415, 423617, B01J 2006, B01J 2008, B01J 2016

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active

049295888

ABSTRACT:
A method for removing 99% of the sodium ions from a natural or industrial brine containing dissolved salts of metals of Group 1A of the periodic chart and in which brine sodium ions are not the predominant metal ions by contacting the brine at pH 11 to 12 with an ion exchanger selected from crystalline antimonic acid and polyantimonic acid, and removing from contact with the ion exchanger the brine with greater than 99% of the sodium ions removed.

REFERENCES:
Abe, M., "Synthetic Inorganic Ion Exchange Materials. XVIII. Ion Exchange Equilibria of Crystalline Antimonic (V) Acid with Alkali Metal Ions", J. Inorg. Nucl. Chem. 41, 85-89 (1979).
Abe, M.; Ito, T., "Cation Exchange Properties of Antimonic Acid", J. Jpn. Chem. 87: 11, 1174-1179 (1966).
Abe, M.; Ito, T., "Synthetic Inorganic Ion Exchange Materials. X. Preparation and Properties of So-Called Antimonic (V) Acid", Bull. Chem. Soc. Jpn. 41, 333-342 (1968).
Abe. M., "Synthetic Inorganic Ion Exchange Materials. XVI. Chromatographic Separation of Microamounts of Sodium and Potassium from a Large Quantity of Lithium Chloride by Using Crystalline Antimonic (V) Acid as a Cation Exchanger", Sepn. Sci. Tech. 13:4, 347-365 (1978).
Abe, M., "Synthetic Inorganic Ion Exchange Materials XXVII. A Study on Ion Exchange Selectivity in Crystalline Antimonic (V) Acid and Hydrated Antimony Pentoxide for Various Metal Ions in Nitric Acid Media", Sepn. Sci. Tech. 15:1, 23-30 (1980).
Baetsle, L. H.; Huys, D., "Structure and Ion Exchange Characteristics of Polyantimonic Acid", J. Inorg. Nucl. Chem. 30, 639-649 (1968).
Girardi, F.; Sabbioni, E., "Selective Removal of Radio-Sodium from Neutron-Activated Materials by Retention on Hydrated Antimony Pentoxide", J. Radioanal. Chem., 1, 169-178 (1968).
Abe, M.; Sudoh K., "Synthetic Inorganic Ion Exchange Materials. XXX. Ion Exchange Equilibria of Alkaline Earth Metal Ions and Pb.sup.2+ /Hydrogen Ions on Crystalline Antimonic (V) acid", J. Inorg. Nucl. Chem., 43, No. 10, 2537-2543 (1981).

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