electrodeionization membrane Articles
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SnowPure Water at Aquatech Mexico September 2018
SnowPure Water Technologies has the prime position in the USA Pavilion (booth 615) at the upcoming Aquatech Mexico exhibition, September 4-6, 2018. We will discuss electrodeionization (EDI), RO membranes for dealing with high silica feedwaters, DC power supplies, and pharmaceutical, laboratory, hospital and hemodialysis, and power generation applications. The 2017 exhibition was a success, and ...
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Electrodeionization is a Continuous Process
Unlike mixed bed DI, electrodeionization (EDI) is continuous. Because electrodeionization is continuous there are no spikes in quality as when mixed beds are changed for batch regeneration. An additional benefit for EDI users is that there is no concern about the timing of changing batches, or planning for the eventual breakthrough of ions in the bed like silica, sodium, or general conductivity. ...
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Spiral wound EDI technology part 1
Water purification by reducing the concentration of ionic impurities has been an area of considerable technical interest. Water treatment technologies have rapidly advanced in recent years to where a myriad of options have been developed for this purpose. The most well-known processes include electrodialysis, electrodeionization (EDI), liquid chromatography, membrane filtration, and ion exchange. ...
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QUA Interviewed by Industrial Waterworld at AMTA Membrane Technology Conference 2016
QUA’s Director of Sales and Marketing, Fred Wiesler, was recently interviewed by Industrial Waterworld at the American Membrane Technology Association (AMTA)’s Membrane Technology Conference 2016 in San Antonio. Qua's Fred Wiesler describes the company's many offerings, including UF, MBR, and ceramic membranes. Highlighted: fractional electrodeionization (FEDI) technology, which ...
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Electrodeionization for Power Plants — Importance of Silica
Power plants use high purity water to drive steam turbines. Cogeneration and combined-cycle power plants are highly-efficient, using both exhaust turbines and high-pressure steam turbines. The steam must be of the highest purity. In the 1960’s, boilers operated at 450°C (840°F) and 4MPa (40 atmospheres). Today’s leading edge combined cycle systems operate at 620°C ...
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Solar Power Plant Recycles Blowdown Water to Save Fresh Water - Case Study
PROJECT DETAILS LOCATION Ashalim, Israel CUSTOMER GE-Alstom, Israeli Government SOLUTION Cooling tower wastewater treatment system TECHNOLOGIES Containerized Systems Featuring Automatic Disc Filtration and Ultrafiltration, Brackish Water Reverse Osmosis, Gas Transfer Membranes, Continuous Electrodeionization The new Ashalim solar power plant in the Israeli Negev desert relies on local ...
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An electrostatic shielding-based coupled electrodialysis/electrodeionization process for removal of cobalt ions from aqueous solutions
Electrode graphite powder beds were interposed between anode and cathode as intermediate electrodes inside an electrolytic setup. Due to electrostatic shielding they eliminate the applied electric field and therefore stop the electromigration of ions within their mass. It was found that the intermediate electrodes can act as ionic current sinks—ion concentrating compartments and therefore cause a ...
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Ultrapure Water for Utility - Case study
Membrane technologies in containerized units allowed for quick installation in a small footprint Background When the Israel Electric Company (I EC) decided to convert some of its inland open-cycle turbines to combined-cycle, gas-fired power generators, it needed a high-quality source of ultra pure water (UPW)touseas makeup water for its heat-recovery steam generator (H RSC) and for NOx ...
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Samyang Corporation, Expansion of global market by launching RO membrane and EDI
- Following ion exchange resin, RO membrane, and EDI have been released.- Establishing three key materials for water treatme- Becoming a comprehensive solution provider through newly launched products and a new dedicated organization, “Water Solutions PU (Performance Unit)”. Samyang Corporation, Korea's first company to develop ion exchange resin and a leader in the field of industrial water ...
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