Process for the partial desalination of water

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

C - Chemistry, Metallurgy

02

F

C02F 1/42 (2006.01) B01J 39/04 (2006.01) B01J 49/00 (2006.01)

Patent

CA 2257450

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 CO2-containing water, if required, with the addition of CaCO3, CaCO3/MgO, Ca(OH)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. With the process of the invention, the process chemicals are used more efficiently.

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