CEDI MODULE FOR POWER PLANTS Chemical water treatment | boiler make-up & demineralised water polishing Product Overview This DUBHE CEDI module is specified for chemical water treatment in thermal and combined-cycle power plants, where boiler make-up, closed cooling water and demineralised water circuits must be kept free of dissolved ions. Installed downstream of a reverse osmosis stage, the module removes residual conductivity, silica and carbon dioxide without the chemical