Device and method for simultaneously separating and recovering multiple heavy metals from electroplating wastewater

• Main Authors: SONG PUHONGZHAO, JU DONGYING, LI JIANNONG, CHAI MAORONG, BIN BENXIU, LIU XIANG, LI NING
• Format: Patent
• Language: Chinese; English
• Published: 08.12.2017
• Subjects: APPARATUS THEREFOR; CHEMISTRY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention discloses a device for simultaneously separating and recovering multiple heavy metals from electroplating wastewater. The device comprises a device outer frame comprising at least one treatment unit chamber, wherein an anodic reaction pool and a cathodic reaction pool are arranged in each treatment unit chamber, an anode plate is arranged in the anodic reaction pool, and a cathode plate is arranged in the cathodic reaction pool; a multilayered diaphragm comprising a cation exchange membrane and an anion exchange membrane is arranged between the anode plate and the cathode plate, a wastewater treatment channel is formed by the multilayered diaphragm, and an electroplating wastewater inlet and an electroplating wastewater outlet are formed in the device outer frame; the device is equipped with a direct-current power source, the anode plate and the cathode plate are correspondingly connected with a positive pole and a negative pole of the direct-current power source, and a metal recovery chamber is