Metals removal from aqueous peroxy acids or peroxy salts

Details Metals removal from aqueous peroxy acids or peroxy salts Metals removal from aqueous peroxy acids or peroxy salts

1991-08-12

1993-11-16

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204 93, 210638, C25B 128

Patent

active

052620182

ABSTRACT:
A process for purifying a peroxygen compound in an aqueous solution of a peroxygen-stable acid or salt of the acid, comprising contacting the aqueous solution at a pH of about 0.5 to 4 with a chelating ion exchange resin and separating the product as a purified aqueous solution, or optionally as a solid.

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patent: 4626327 (1986-12-01), McCarthy et al.
patent: 4663002 (1987-05-01), Chiang et al.
Sengupta et al., Metal(II) Ion Binding onto Chelating Exchangers with Nitrogen Donor Atoms: Some New Observations and Related Implications, Environ. Sci. Technol., vol. 25:481-88 (1991).
Chem. Abstracts, III, 198,978b (1989), The Cobrex Process, Himsley et al.

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