Ionics' EDR Technology Offers High Water Recovery for Brackish Water Desalting
Watertown, MA - Ionics, Incorporated (NYSE - ION), a leader in the treatment and analysis of water and wastewater, provides electrodialysis reversal (EDR) systems for a range of municipal applications.
The EDR process uses DC voltage to transfer ionic species from the feed water through ion exchange membranes to a concentrate stream, creating a more dilute stream. The polarity of the DC voltage is reversed several times per hour. The alternating exposure of membrane surfaces to the dilute and concentrate streams provides a self-cleaning capability that enables purification and recovery of up to 94% of the feed water as product.
EDR applications include desalination of brackish ground and surface waters and removal of specific ions such as arsenic, radium and nitrates. In addition, EDR is used to desalt secondary-treated municipal effluent for irrigation and other non-potable uses.
Ionics offers the AQUAMITE® family of skid-mounted EDR systems and the Ionics EDR 2020® system that can be customized for larger capacity installations.
About Ionics, Incorporated
Ionics, Incorporated is an internationally recognized leader in the treatment and analysis of water and wastewater. Founded in 1948, Ionics has over 50 years of experience in the design, installation, operation and maintenance of membrane-based water treatment systems. Ionics is the leading supplier of membrane-based desalination systems in the world. Ionics is also a leader in the supply of zero liquid discharge systems, ultrapure water systems for the power and microelectronics industries, and in the measurement and analysis of both total organic carbon and boron. For more information about Ionics, we invite you to visit our website at www.ionics.com.