deionization technology Articles

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

    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 deionization to remove ionic compounds referred to as ...

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

    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 secondary treated domestic effluent using ...


    By IWA Publishing

  • 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. ...


    By Agape Water Solutions, Inc.

  • Membranes: TOC reduction using membrane technology

    Honeywell’s Solid State Electronics Centre (SSEC) in Plymouth, Minn., had been trying to reduce the level of total organic carbon (100) in its high-purity deionized water system for many ...

  • What are the Top 10 Sustainability Technologies Crucial to Sustain Life on Earth

    Clean and green environment (CGE) technologies have taken center stage with rising water scarcity, energy depletion, and global warming threatening the Earth’s ability to nurture life. A concerted move toward sustainability, especially with regard to water-efficient technologies, is vital for future survival. Recent analysis from Frost & Sullivan,  ...


    By GLOBE Foundation

  • Hospital uses Cetamine technology to achieve 20,000€ annual savings in water and energy - Case Study

    1. Background A large hospital located in Italy is constantly striving to maximize operational efficiency while reducing water and energy consumption. The water treatment boiler is crucial as the low pressure boilers are producing steam for medical uses, hot water and electrical power. For a complete and economical solution in order to save costs in their boiler operation ...


    By Kurita

  • The Filtration Spectrum

    Reverse Osmosis. Microfiltration. Distillation. Deionization. With so many types of filtration and purification systems on the market today it is difficult to determine which type of technology is best for your needs. The filtration of liquids is performed at many levels. To understand how to maximize your filtration needs, one needs to consider the size range of the particles. Once this is ...

  • Methods of Purification

    Water Innovations Water Systems Carbon Filtration is used for several reasons. Its primary purpose is the reduction of chlorine to less than 0.1 ppm. Chorine can damage softener resins, reverse osmosis membranes, and mixed bed deionization resins. Activated carbon will also help control tastes and odors, provide organic and hazardous organic chemical ...


    By Water Innovations, Inc

  • Reverse Osmosis and Electrodeionization Alternate to Service DI

    Electrodeionization (EDI) is a chemical free water treatment technology that eliminates the need for off line chemical regeneration. EDI has gone from an unproven and unknown commodity to one that has revolutionized the industry in the past 20 years. Much has been written and discussed about the use of EDI systems for industrial applications such as power plants and semiconductors, where flows ...


    By Agape Water Solutions, Inc.

  • Pharmaceutical / Personal care product manufacturer promotes quality standards

    Challenge Pharmaceuticol manufacturers demand high qualify water with the fewest dissolved solids possible, to promote product consistency. A Canadian manufacturer of pharmaceutical/personal core products was looking to maintain water quality specifications to promote product consistency and improve product shelf life. First the source water for the manufacturing plont comes from ...


    By Culligan Matrix Solutions

  • Evaluation of parameters influencing removal efficiencies for organic contaminant degradation in advanced oxidation processes

    Advanced oxidation processes, based on hydroxyl radical chemistry, can be used to successfully destroy chemical contaminants in waters intended for reuse. In determining the effectiveness of these radical oxidative degradations and transformations in water, both reaction rate constants and compound removal efficiencies must be considered. Removal efficiencies are defined as the number of ...


    By IWA Publishing

  • Electrodeionization

    Electrodeionization (EDI) is a water treatment technology that has gone from an unproven and unknown commodity to one that has revolutionized the industry in the past 20 years. The technology was first introduced to the market in 1987 by Ionpure Technologies. EDI is used in small and large applications. Laboratories use EDI in systems as low as 360 gallons per day (gpd), while power plants, ...


    By Agape Water Solutions, Inc.

  • Use of synthesized hydrophilic magnetic nanoparticles (HMNPs) in forward osmosis for water reuse

    Forward osmosis (FO) is attracting worldwide attention as an emerging technology in the fields of power generation, water reuse, desalination, pharmaceuticals and food processing. Still, the critical challenge of finding a suitable draw solute for FO persists. Therefore the current research focuses on synthesizing hydrophilic magnetic nanoparticles (HMNPs) and systematically investigating ...


    By IWA Publishing

  • Crossflow Membrane Filtration Applications in the Beverage Industry

    Abstract The use of crossflow membrane separation technology in the beverage industry has gone from a 'unique processing' approach to a standard unit process for many manufacturers. Applications such as replacement of troublesome diatomaceous earth (DE) filters for juice clarification have been highly successful. Employing reverse osmosis (RO) for apple juice concentration produces potential ...


  • Case study: telecommunication component manufacturing

    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 and infrastructure and has a strong ...


    By Watman Ltd.

  • Efficient Removal of Organic and Inorganic Suspended Solids

    ABSTRACT The Romans used sand as a filter media to treat their drinking water 2000 years ago. Centuries ago water was poured through layers of cloth to remove visible impurities in drinking water with fabric bags and paper cartridges soon following. Darcy employed sand beds in Dijon, France over 200 years ago to conduct his experiments for developing his famous equation to describe fluid flow ...

  • Methods of Water Purification

    This article is excerpted from 'Pure Water Handbook' published by Osmonics®, Inc. of Minnetonka, Minnesota USA and is printed with permission of Osmonics, Inc. Water treatment can be defined as any procedure or method used to alter the chemical composition or natural 'behavior' of a water supply. Water supplies are classified as either surface water or groundwater. The majority of public or ...

  • Cycle chemistry pH measurement

    pH measurement in high purity water has met with variable success. The high resistivity of pure water, the vulnerability to contamination, the variability of reference electrodes and additional temperature effects converge to make tins a particularly challenging measurement. Overcoming these obstacles requires a thorough understanding of the potential problems and their systematic solution. ...


    By SnowPure Water Technologies

  • Improvement of Electrodeposition Paint Processes with Reverse Osmosis

    Abstract For over 15 years, membrane separation processes have been very effectively utilized as essential components of electrodeposition (ED) paint processes. ED is the accepted method of applying the undercoat paint layer to new automobiles and appliances. As cross-flow membrane and ED paint technologies mature, new applications combining the two have been developed. A major American ...


  • A Plast-O-Matic pressure regulator protects a stem drilling machine from overpressure

    Mitsubishi Heavy Industries (MHI) is one of the leaders in the world of designing, manufacturing, installing, and servicing industrial power systems. As a top Fortune “Global 150” company, MHI generates more than $25 billion in annual revenues and employs more than 40,000 people worldwide. A key subsidiary of MHI is Mitsubishi Power Systems, located in Orlando, Florida. Established in ...


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