Treatment of ultrafiltrate by electrodialysis

Details Treatment of ultrafiltrate by electrodialysis Treatment of ultrafiltrate by electrodialysis

Category

C - Chemistry, Metallurgy

Subcategory

25

Subsubcategory

D

CPC

204/98

IPC codes

C25D 21/22 (2006.01) B01D 61/42 (2006.01) C25D 13/24 (2006.01) C25D 21/18 (2006.01)

Type

Patent

Patent number

CA 1239615

Description

Abstract of the Disclosure A process for electrodialyzing ultrafiltrate and an electro- dialysis cell for use in the process are disclosed. The ultrafiltrate contains ionic materials which form a deposit on at least one of the electrodes of the electrodialysis cell impairing the electrical efficiency of the cell. This problem is overcome by removing the deposited electrode from the cell while simultaneously replacing it with electrode relatively free of deposit, thereby restoring the electrical efficiency of the cell. The invention is particularly useful for treatment of the ultrafiltrate of an electrodeposition bath.

Application Number

476756

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