CEDl MODULE SERIES CEDI | CEDI Electrodeionization for WWTP & ETP Product Overview DUBHE Industrial grade CEDI module offer higher reliability and better desalination performance than conventional film blocks. Using a newly designed ion exchange membrane and patented flow channel technology, the desalination efficiency and antioxidant capacity aresignificantly ahead of similar products. Over the years, the research and development of ion exchange membrane technology has been