C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/36
C02F 1/42 (2006.01) B01J 39/04 (2006.01) B01J 47/04 (2006.01) B01J 49/00 (2006.01)
Patent
CA 1186075
ABSTRACT OF THE DISCLOSURE A process for the partial desalination of water with a combination of weakly acid cation exchangers in free acid form and basic anion exchangers in hydrogen carbonate form, both present in aqueous suspensions, and sub- sequent regeneration of the charged ion exchanger material. The partial des- alination is effected with a combination or mixture of a weakly acid cation exchanger material and a highly basic anion exchanger material of a PK<5. Depending on the combination or mixing ratio of the two exchangers, non- equivalent quantities of neutral salt cations and anions are removed from the water. The regeneration of both exchangers together is effected exclu- sively with the aid of CO2.
408700
Holl Wolfgang
Kiehling Brigitte
Fetherstonhaugh & Co.
Kernforschungszentrum Karlsruhe G.m.b.h.
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