ELECTRODIALYSER AND METHOD FOR OPERATING THE SAME

PROBLEM TO BE SOLVED: To provide an electrodialyser and a method for operating the same using no expensive electrode and capable of preventing the corrosion of an electrode throughout the duration of actual servicing. SOLUTION: The electrodialysis tank is partitioned off into a plurality of chambers...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAGAWA SOTA, KASHIWAGI MAKOTO, AKAHORI SHOJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electrodialyser and a method for operating the same using no expensive electrode and capable of preventing the corrosion of an electrode throughout the duration of actual servicing. SOLUTION: The electrodialysis tank is partitioned off into a plurality of chambers arranged between electrodes with ion exchange membranes in between, and the chambers are supplied with each prescribed liquid in order to electrodialyze raw water. At least one chamber is washed with a liquid supplied as cleaning water and having a lower concentration of the raw water component than those of the liquids for the electrodialysis of the raw water. COPYRIGHT: (C)2010,JPO&INPIT