C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/46 (2006.01) B01D 61/44 (2006.01) C02F 1/469 (2006.01) G01N 30/96 (2006.01) C02F 1/42 (2006.01) G01N 30/02 (2006.01) G01N 30/34 (2006.01)
Patent
CA 2471705
An electrolytic method and apparatus is provided for purifying an aqueous stream, including at least one contaminant ion. In one embodiment, the eluent stream flows through a purifying flow channel, including ion exchange bed, an electric field is applied through the flowing eluent stream in the purifying flow channel, and the contaminant ion is removed from the eluent stream. In another embodiment, no electric field is applied and the ion exchange bed is periodically regenerated. Two beds may be used with one bed on line while the other bed is regenerated followed by a reversal of flow.
L'invention concerne un procédé électrolytique de purification d'un flux aqueux, comprenant au moins un ion contaminant. Dans un mode de réalisation, le flux éluant s'écoule à travers un canal d'écoulement de purification, comprenant un lit d'échange d'ions ; un champ électrique est appliqué à travers un flux éluant s'écoulant dans le canal d'écoulement de purification, et l'ion contaminant est éliminé du flux éluant. Dans un autre mode de réalisation, aucun champ électrique n'est appliqué et le lit d'échange d'ions est périodiquement régénéré. Deux lits peuvent être utilisés ; l'un étant en service pendant que l'autre est régénéré, suivi d'une inversion du courant.
Avdalovic Nebojsa
Srinivasan Kannan
Dionex Corporation
Smart & Biggar
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