Process for the partial desalination of water

Details Process for the partial desalination of water Process for the partial desalination of water

1999-01-14

2000-06-27

Cintins, Ivars

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210673, 210677, 210686, 210694, C02F 142

Patent

active

060803150

ABSTRACT:
In a process for the partial desalination of water, especially of drinking water, with a mixture of weakly acid cation exchangers and strongly basic anion exchangers, whereby the charged ion exchangers are regenerated by CO.sub.2 -containing water, if required, with the addition of CaCO.sub.3, CaCO.sub.3 /MgO, Ca(OH).sub.2 or the like. Simultaneous with the partial desalination, the organic carbon compounds present in the water are reduced, whereby the charged ion exchangers are intermittently regenerated with HCl, NaCl, NaOH, or a mixture of NaCl and NaOH.

REFERENCES:
patent: 3420709 (1969-01-01), Barrett et al.
patent: 3639231 (1972-02-01), Bresler
patent: 4172185 (1979-10-01), Petheram
patent: 4448693 (1984-05-01), Kiehling et al.

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