B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
362/34
B01J 49/00 (2006.01) B01J 39/04 (2006.01) B01J 47/02 (2006.01)
Patent
CA 1240419
Process and device for treating liquids with cation exchangers and anion exchangers A b s t r a c t Upward-flow process for treating liquids in ion exchange filters containing cation exchangers and anion exchangers in separate layers arranged one on top of the other, in which the cation and anion exchangers are separated from one another by a resin layer which does not participate in the ion exchange, the anion exchanger is regenerated externally and the cation exchanger, which remains in the filter, is regenerated in the counter-current and the anion exchanger is removed from and recycled to the filter without whirling up the separating layer and cation exchanger layer. The inven- tion furthermore relates to a new counter-current ion exchange filter for carrying out the process.
484275
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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