公开(公告)号：US11661356B2

公开(公告)日：2023-05-30

申请号：US16846709

申请日：2020-04-13

申请人： Taiyuan University of Technology

发明人： Xiaogang Hao ,  Xiaoqiong Hao ,  Xiao Du ,  Zhonglin Zhang

IPC分类号： C02F1/28 ,  C02F1/461 ,  C02F1/463 ,  C02F101/12 ,  C02F103/18

CPC分类号： C02F1/46109 ,  C02F1/463 ,  C02F2001/46119 ,  C02F2001/46142 ,  C02F2101/12 ,  C02F2103/18 ,  C02F2201/4617 ,  C02F2303/16

摘要： A method and device for removing chloride ions in desulfurized wastewater by electrochemical coupling in which the device comprises: an electrolyte tank having a top and a bottom wherein the tank is used as a separator in a separation process and as an electrode regenerator in an electrode regeneration process; two electrodes comprising a hydrogen evolution electrocatalysis function electrode and an electrochemically switched ion exchange (ESIX) function electrode respectively, wherein the electrodes are connected with each other by a wire; two DC circuits having opposite electric field directions and used alternately in the separation process and the electrode regeneration process respectively; the bottom of the electrolyte tank is provided with a purified high-concentration chloride ion wastewater inlet and a flocculation product outlet; the top of the tank is provided with a dechlorination treatment water outlet and a hydrogen collecting port; and, in the electrode regeneration process, the electrolyte tank is connected to an electrode regeneration liquid storage tank through a pump and a pipeline.