Removal of sulfate ions from brine

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Alkali metal

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521 28, B01J 4112, C02F 142

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044055765

ABSTRACT:
Macroporous cation exchange resins with sulfonic acid functional groups having polymeric hydrous zirconium oxide and polyacrylic acid contained therein are useful in substantially removing sulfate, borate, bicarbonate and/or phosphate ions from alkali metal salt solutions.

REFERENCES:
patent: 3041292 (1962-06-01), Hatch
patent: 3346422 (1967-10-01), Berger
patent: 3352800 (1967-11-01), Smith et al.

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