Product category:
Potable water, test and treatment
News Release from: GE Water & Process Technologies | Subject: EDR
Edited by the Processingtalk Editorial
Team on 05 October 2007
Cleaning wastewater for re-use by
Electrodialysis
The latest GE Electrodialysis Reversal (EDR) desalination technology removes salt, radium, arsenic, perchlorates and other potentially harmful contaminants from tough-to-treat well and surface waters
GE Water and Process Technologies has launched what is claimed as the next generation of Electrodialysis Reversal (EDR) solutions - enhancing its portfolio of advanced water and wastewater treatment solutions designed to address the world's growing water demands "With over 50 years of experience and thousands of installations, the next generation of our EDR technology leverages our expertise in the water industry - bringing to market an advanced water treatment solution that has one of the highest water recovery rates available," said Jeff Garwood, president and CEO, GE Water and Process Technologies: "Our EDR technology will expand our capabilities in regions like China, Australia, Spain and the USA, where the demand for robust solutions to tackle water scarcity and water quality challenges continue to grow rapidly"
This article was originally published on Processingtalk on 19 Mar 2007 at 8.00am (UK)
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Today over 1.1 billion people lack adequate access to a safe water source, and symptoms of water scarcity like groundwater depletion and water source contamination only continue to place stress on limited fresh water supplies.
The GE EDR desalination technology removes salt, radium, arsenic, perchlorates and other potentially harmful contaminants from tough-to-treat well and surface waters.
Using an electrochemical separation process that allows selective passage of ions in solution, GE EDR technology produces high-quality water for a variety of industrial applications, such as cooling and boiler make-up water, and its rugged membranes and high chlorine tolerance make it ideal for a variety of wastewater re-use projects.
Further reading
Large Californian seawater desalination project
GE Water and Process Technologies has announced its participation in what will be the largest seawater desalination facility in North America, the Carlsbad Seawater Desalination Plant
Desalination plant at S African Chlorine refinery
GE Water and Process Technologies is to design and construct a reverse osmosis seawater desalination plant, which will also supply salt for production of chlorine, caustic soda, and hydrochloric acid
"GET Water" will bring mobile water fleet to Saudi
GE Water and Process Technologies and the Saudi Arabia-based Al Tamimi Group announce "GET Water", a partnership that will bring a fleet of GE Mobile Water Treatment Systems to Saudi Arabia
The most common EDR applications include: municipal drinking water, industrial process water, and wastewater re-use.
GE EDR Technical benefits include:.
* High water recovery rate design - up to 94% - for efficient water resource use.
* Reduced waste discharges with high water recovery design.
* Robust membranes that can tolerate moderate levels of particulates.
* Long membrane life for low total cost of ownership.
* Chlorine-resistant membranes enable low-cost disinfection techniques.
* Low electricity consumption.
* Adjustable electricity enables the control salt removal and energy optimisation.
* High water silica tolerance.
The expertise behind the GE Water and Process Technologies EDR can be seen in projects around the globe.
Recent GE EDR project highlights include:.
* ATLL Barcelona, in Spain - Here, the GE EDR will produce up to 52.8 MGD (200,000 m3/day) or 20% of the water for the greater Barcelona area.
The technology will also help provide a consistent source of safe drinking water by reducing dissolved solids and trihalomethane precursor organic particles.
* Magna Water Company, Utah - A 6 MGD (22,727 m3/day) GE EDR system will remove dissolved solids and harmful arsenic and perchlorate from the community's well water.
* City of Suffolk in Virginia - A fluoride reduction project currently undergoing a 46% expansion to 13.6 MGD (51,515 m3/day) will be the second largest EDR facility in the world and will operate at 94% water recovery.
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