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Article: This hybrid process recycles DI water.(Chementator)
- Article from:
- Chemical Engineering
- Article date:
- May 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 Access Intelligence, LLC. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Exergy Technologies Corp. (Irvine, Calif.; edlinks.che.com/4816-531) has commercialized EthorCel, a new process-water recycling technology for industrial and high-tech applications that use deionized (DI) water. The cost of ownership of EthorCel is less than a third that of any conventional water-purification operations, such as ion exchange or reverse osmosis, says Azita Yazdani, president and CEO.
The EthorCel system is based on the principals of electrodeionization, which consists of an electrodialysis cell with its membrane compartments packed with a with mixed-bed (cationic and anionic) ion-exchange resin (flowsheet). Feedwater is pumped into the central ...
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... ... regenerated by an electrical current across the stack. Metal-recovery applications are prime prospects for the technology, says Azita Yazdani, Exergy's president and CEO. "We have developed an approach to recover metal solutions from process rinsewater and return ...
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