Process for extracting an acid, more especially boric acid, from

Details Process for extracting an acid, more especially boric acid, from Process for extracting an acid, more especially boric acid, from

1985-10-22

1987-06-23

Demers, Arthur P.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041824, 204301, C25B 700, C25D 1300, B01D 5702

Patent

active

046750908

ABSTRACT:
The concentration of an acid in a weakly ionized aqueous solution, more particularly the concentration of boric acid in solution in demineralized water from the primary circuit of a pressurized water nuclear reactor, is modified by effecting simultaneously the dissociation of the acid and the electrodialysis of the solution using at least one electrodialysis membrane comprising a polymer support such as PTFE or FEP and having aminated groups introduced for example according to a process comprising a step of grafting.

REFERENCES:
patent: 4148708 (1979-04-01), Grant
patent: 4246092 (1981-01-01), Perry et al.
Purin, Chem. Abstracts 90 (1979) #57229u.

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