ion exchange system Articles

  • Ion Exchange Systems.

    When properly applied, ion exchange for concentrated ion recovery is by far the best available technology. Where effluent streams can be filtered and ions requiring different regenerants can be segregated, ion exchange is usually the most cost effective and least capital intensive solution. We provide 4 levels of integration to cover most applications and capital budgets. The variations in the ...


  • White paper - Ion Exchange Theory

    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 “exchange sites”. In the basic reaction, an ion ...


    By W2 Systems

  • Introduction to Ion Exchange Part 1

    IMPURITIES IN WATERWater is often referred to as the 'universal solvent' as it will dissolve small amounts of everything it touches. Water collects or dissolves a variety of mineral salts, organic compounds and suspended solids as it flows over the earth's surface and through the ground. These impurities make water undesirable for use in many applications. It is, therefore, important to ...


    By Kinetico Incorporated

  • Nitrate Removal by Countercurrent Ion Exchange

    Nitrate removal technology by continuous countercurrent ion exchange from potable water. High flow capacity, low waste generation. This ICHEM award winning technology is the industry standard used in the United Kingdom. More than 20 installations installed. PuriTech's patented multi-port valve is at the center of each production skid. At average, each unit produces a maximum waste ...


    By PuriTech Ltd

  • Magnetic Ion Exchange Solves Problems

    In 2004, Big Elk Water Association, near Estes Park, Colo., earned the unenviable Environmental Working Group label of Colorado water system with the worst quality water. Despite multiprocess treatment, BEWA’s finished water had some of the highest concentrations of total trihalomethanes (TTHMs) and haloacetic acids (HAA5) in the state. BEWA delivers water to about ...


    By IXOM Watercare

  • Ionex- Versatile ion exchange technology for Nitrate removal

    Belgian separations technology company PuriTech (www.puritech.be) has designed an ion exchange system that improves liquid–resin contact efficiency while reducing plant operating costs and capital expenditure. Targeted at a broad range of industries, one area where the system is now showing its strength is in the removal of nitrates from drinking water, asPuriTech's Filip ...


    By PuriTech Ltd

  • An Evaluation of Magnetic Ion Exchange (MIEX®) for NOM Removal

    A new process for the removal of natural organic matter (NOM) was developed in Australia by Orica Watercare and South Australian Water Corporation. It employs a strongly basic anion exchange resin to remove NOM from water. In the first stage of the process, the (180 μm) MIEX® resin is mixed with the water to be treated and its small size encourages rapid removal of NOM. The resin beads also ...


    By IXOM Watercare

  • Novel ion-exchange system softens produced water for steam generation

    As California entered a period of severe drought in 2008, the challenges of using thermal methods to extract heavy oil became compounded by the difficulty of securing freshwater sources from which to generate the high-quality steam that these methods require. In an effort to manage the crisis, then-Gov. Arnold Schwarzenegger proclaimed a state of emergency and enacted widespread ...


    By Eco-Tec Inc.

  • Combined bio-regeneration and ion-exchange system for perchlorate removal

    In order to prove that perchlorate-laden resins could be bio-regenerated through direct contact with perchlorate-reducing bacteria (PRB), a combined bio-regeneration and ion-exchange (IX) system was operated. Two kinds of perchlorate-laden resins, nitrate-selective A520E and perchlorate-selective A530E, were successfully regenerated by PRB cultivated under anaerobic conditions. The ...


    By IWA Publishing

  • Power Industry using Micro-Media Filtration and short-bed ion exchange

    With the demand or higher efficiencies, lower maintenance and operating costs for boilwers and turbines, high-purity water treatment systems are becoming more crucial to the operation of power plants. Modern power plants, operating at supercritical and ultra upercritical boiler pressures and temperatures, require high-purity water that approaches quality levels at the theoretical levels. ...


    By Eco-Tec Inc.

  • Temperature effect on ion exchange equilibrium between CMX membrane and electrolytes solutions

    Ion exchange equilibrium for three systems involving monovalent and divalent ions has been investigated over various temperatures (283, 298 and 313 K) using CMX cationic exchange membrane. All experiments were carried out at 0.1 mol/L. Ion exchange isotherms for the binary systems (Na+/K+), (Na+/Ca2+) and (K+/Ca2+) were established at ...


    By IWA Publishing

  • CO2 adsorption over ion-exchanged zeolite beta with alkali and alkaline earth metal ions

    The need to reduce anthropogenic CO2 emissions has been the driving force to consider new approaches and novel ideas for CO2 management, and carbon capture and storage (CCS) are considered to potentially be the most effective means to alleviate the problem. The most common method for CO2 capture is via gas absorption, with monoethanol amine (MEA) being the most widely used solvent. The current ...


    By Hiden Analytical

  • Worlds First Magnetic Ion Exchange Water Treatment Plant to be Installed in Western Australia

    Since the mid-1980s, the Water Corporation of Western Australia (WCWA) has been investigating technologies to prevent an intermittent ‘swampy’ odor occurring in the city of Perth’s treated ground-waters (O’Leary and Herbert, 1998). Groundwater contributes around 50% of the water supply for Perth, which has a population of approximately 1.3 million. The Wanneroo Groundwater Treatment Plant (GWTP) ...


    By IXOM Watercare

  • Use of Continuous Ion Exchange Process (MIEX®) to Remove TOC and Sulfides from Florida Water Supplies

    Introduction Many Florida water utilities face a number of challenges in treating their water supplies to meet the current EPA water quality standards. These challenges will only increase as the EPA tightens these standards and for many utilities, conventional treatment processes will no longer be suitable. Ion exchange has long been recognised as a technology capable of removing many dissolved ...


    By IXOM Watercare

  • Failing Brine Piping Replaced at World`s Largest Ion Exchange Membrane Plant

    Fabricated Plastics Limited is headquartered in Maple, Ontario, located on the northern outskirts of Toronto. One of North America's largest custom composite and dual laminate fabrication companies. Fabricated Plastics is dynamic, energetic, creative and resourceful. Engineering design, problem solving and fabrication are world class with the result that Fabricated Plastics is frequently invited ...


    By Fabricated Plastics Limited

  • Applicability of ion exchange for NOM removal from a sulfate-rich surface water incorporating full reuse of the brine

    The raw water of water treatment works ‘the Blankaart’ (Belgium) is characterized by high levels of NOM (Natural Organic Matter), alkalinity and sulfate. From 2006 until present, the possibility of applying fluidized ion exchange for NOM removal has been investigated at the plant. Pilot testing using Miex® (Magnetic Ion Exchange) resin demonstrated that under standard ...


    By IWA Publishing

  • Radioactive wastewater treatment using a mixture of TANNIX sorbent and VARION mixed bed ion exchange resin

    A wastewater treatment system has been developed by using a mixture of ammonium-insoluble tannin (TANNIX, this is the trademark of an adsorbent made by Mitsubishi Nuclear Fuel Co. Ltd) and mixed (strong acid cation exchanger and strong base anion exchanger) ion exchange resin (MIX) for the selective separation of transuranium isotopes, including Pu, Am, Cm, and U, as well as fission and ...


    By Inderscience Publishers

  • Full Scale Magnetic Ion Exchange Process Tested by Historically High DOC Levels

    The Aireys Inlet Water Treatment Plant (WTP) is located about 150 kilometres from  Melbourne on the Great Ocean Road. The WTP utilises a conventional upflow sludge blanket clarification process. The raw water source for this plant is characterised by high DOC levels. Despite operating in an enhanced coagulation mode sufficient DOC removal was not able to be achieved. This resulted in high ...


    By IXOM Watercare

  • Effect of ionic strength on the ion exchange equilibrium between AMX membrane and electrolyte solutions

    The effect of ionic strength variation on the ion exchange equilibrium between AMX anion exchange membrane and electrolyte solutions containing the most dominant anions on natural waters (Cl−, NO3−, and SO42−) was studied. All experiments were carried out at a constant temperature of 25 °C. Ion exchange isotherms were established, at different ionic ...


    By IWA Publishing

  • Valve innovation drives ion technology

    A NOVEL multiport distribution valve is at the heart of a new ion exchange system that reduces plant operating costs and capital expenditure by improving liquid–resin contact efficiency. The patented IONEX process can be used for resource recovery and purification in a wide range of industries, as well as water demineralization. Ion exchange systems are already used extensively for water ...


    By PuriTech Ltd

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