C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/33
C02F 1/42 (2006.01) B01J 47/10 (2006.01) B01J 49/00 (2006.01)
Patent
CA 1087328
PROCESS AND APPARATUS FOR ION EXCHANGE BY USE OF THERMALLY REGENERABLE RESIN Abstract of the Disclosure Continuous or semi-continuous ion exchange treat- ment, such as desalination, is achieved by utilizing a column packed with a heterogeneous thermally regenerable ion exchange resin in a single bed divided into a loading zone, a heat displacement zone above the adsorption zone, and a resin regeneration zone above the heat displacement zone. In operation, feed liquid flows upwardly through the loading zone and the treated liquid is removed. Loaded resin is transferred from the adsorption zone to the regeneration zone, the resin bed then being displaced downwardly, counter-current to the flow of feed liquid. A hot regeneration liquid, which may be a portion of the treated liquid, is passed through the loaded resin in the regeneration zone for thermal regeneration of the resin.
288993
Hotogi Akira
Iwatsuka Takeshi
Kosaka Kenji
Shindo Ikuo
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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