Ion exchange membrane electrolytic device for regenerating acid etching solution
By designing an ion-exchange membrane electrolysis device for regenerating acidic etching solution, and utilizing a cleaning mechanism and multi-layer filter cartridges to treat acidic etching wastewater, the problem of impurity adhesion in the ion-exchange membrane electrolysis device was solved. This achieved cleaning of the ion-exchange membrane and uniform treatment of etching wastewater, extending the service life and efficiency of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIANGSU BALING ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2026-06-01
- Publication Date
- 2026-07-17
AI Technical Summary
When treating acidic etching waste liquid, existing ion-exchange membrane electrolysis devices are prone to the adhesion of impurities, forming a dense organic fouling layer, which affects the normal use of the ion-exchange membrane. Furthermore, the intertwining of solid impurities and organic fouling leads to the solidification of fouling on the membrane surface, reducing the efficiency of the device.
An ion-exchange membrane electrolysis device for regenerating acidic etching solution is designed, comprising an electrolysis cell body, a pretreatment tank, a cleaning mechanism, and a multi-layer filter element. The cleaning mechanism cleans the surface of the ion-exchange membrane, and a high-speed shear flow is formed by a rotating tube and an agitator to remove contaminants. The etching wastewater is further filtered through a filter bag to reduce the adhesion of impurities.
It effectively extends the service life of the ion exchange membrane, improves mass transfer efficiency, prevents ion exchange membrane clogging, ensures the uniformity of etching wastewater composition, reduces copper ion precipitation, and extends the operational stability of the device.
Smart Images
Figure CN122403582A_ABST