deionized water Articles

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Photodegradation of the antihistamine cetirizine in natural waters

by John Wiley & Sons, Ltd.  (Jul. 18, 2014)

The photodegradation rate of the anti‐histamine cetirizine (Zyrtec®) was investigated in various water matrices. The average observed first‐order photodegradation rate coefficient (kobs), obtained by linear regression of the logarithmic‐transformed cetirizine concentrations versus irradiation time in simulated sunlight, was 0.024 h−1 (n = 6; ...

White paper - Ion Exchange Theory

by W2 Systems  (Jan. 19, 2015)

Ion exchange is the removal of unwanted “charged” particles, called ions, from raw water. In this process the ions are transferred to a solid particle, called an ion exchanger, which accepts these ions while returning an equal number of desirable ions. The exchangers are made of porous plastic resin, which gives them many ...

RO brine treatment and recovery by biological activated carbon and capacitive deionization process

by IWA Publishing  (Jan. 1, 2011)

The generation of brine solutions from dense membrane (reverse osmosis, RO or nanofiltration, NF) water reclamation systems has been increasing worldwide, and the lack of cost effective disposal options is becoming a critical water resources management issue. In Singapore, NEWater is the product of a multiple barrier water reclamation process from ...

Desalination of oil sands process-affected water and basal depressurization water in Fort McMurray, Alberta, Canada: application of electrodialysis

by IWA Publishing  (Dec. 19, 2013)

The high content of inorganic species in water used to extract bitumen from the Alberta oil sands and in the groundwater below the oil sands is an increasing environmental concern. These water matrices require treatment before they can be reused or safely discharged. Desalination of the oil sands process-affected water (OSPW) and groundwater, or ...

Wyman Gordon Case Study

by Mech-Chem Associates, Inc.  (Nov. 17, 2014)

Wyman-Gordon is a world class materials company with nearly 200 years of metals engineering experience. They are the acknowledged leader in the production of high-quality closed-die forgings and extrusions for the most critical applications. Markets served include those for commercial and military aircraft; gas turbine engines; oil and gas ...

The Desel System – Capacitive Deionization for The Removal of Ions From Water

by Water Environment Federation (WEF)  (May 7, 2007)

Capacitive deionization (CDI) represents a new approach to the treatment of a variety of water/wastewater streams contaminated with inorganic compounds. ENPAR Technologies Inc. of Canada has developed its DesEL System, which combines high water recoveries with high ion removal efficiencies. The system operates on the principle of capacitive ...

Current Issues -- Novel, Practical Deionization Technology

by American Water Works Association (AWWA)  (Feb. 1, 2006)

Rapid economic and population growth in the developing world is creating wealth and increasing expectations while simultaneously straining water supply and quality. This situation will reach crisis proportions during the next several decades, and innovative water treatment technologies will be required to meet the challenge. Electrically ...

Electrodeionization - Ultrapure water

by SIMPEC Srl Societa Implanti Ecologici  (Sep. 29, 2011)

Continuous Electrodeionization Process The continuous electrodeionization process (CEDI),  is a system that uses ion exchange resins and electricity  for the production of ultrapure deionized water without chemical processes and without production stops. SIMPEC uses modular systems for the electrodeionization processes. The CEDI ...

High Purity Boiler Water Production Using Municipal Wastewater at a Combined Cycle Gas-Fired Generating Station

by Eco-Tec Inc.  (Apr. 17, 2013)

The recovery of wastewater for industrial uses presents many challenges for the design and operation of water treatment equipment. Since the term wastewater can be applied to a wide range of water sources from municipal sewage to storm runoff to industrial discharge water, the water characteristics may have great variability. As such, the ...

Case study: telecommunication component manufacturing

by Watman Ltd.  (Jun. 4, 2014)

JMC Tools, formerly ADC Solitra Inc., offers integrated RF solutions for the telecommunications industry worldwide. The product range of the company covers high frequency components and modules for cellular and PCS systems, both analogue and digital. The company has close links with the world’s leading OEM manufacturers of cellular phones ...

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