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ion exchange resin Applications

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    Resin technology solutions for the hydrometallurgy industry

    Purolite has supplied ion exchange chelating resins to the hydrometallurgy industry for over 30 years. Such experience ensures that we understand our clients’ needs and have allowed us to custom configure our products to target specific elements of interest. Advanced ion exchange technology is used for the primary recovery of metal or the removal of impurities to increase the value and purity of the final product. Metals can be extracted from ores using several methods including hydrometallurgy, pyrometallurgy, or mechanical means. Hydrometallurgy is the process of extracting metals from ores by dissolving the ore containing the metal of interest into an aqueous phase and recovering the metal from the resulting pregnant liquor.

    By Purolite Corporation based in Bala Cynwyd, PENNSYLVANIA (USA).

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    Resin technology solutions for the power industry

    Purolite manufactures ion exchange resin products specific to power industry requirements to keep plants running safely, effectively and efficiently. Both fossil and nuclear power plant operations require exceptional water purity before it enters critical systems. Our ion exchange resins are specifically developed to remove impurities contributing to scale formation and corrosion, and are purified to the highest specification to ensure water and steam circuits meet operating chemical expectations. Our ion exchange resins are highly reliable with exceptional operating capacity and great mechanical strength - helping to increase service life, limit change-outs and reduce down time.

    By Purolite Corporation based in Bala Cynwyd, PENNSYLVANIA (USA).

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    Resin technology solutions for the potable and groundwater industry

    Purolite is at the forefront in meeting the new challenges of purifying water for potable water use. We continue to develop specialized ion exchange resins and adsorbent solutions focused on reducing waste and operating costs. The wide variety of contaminants needing removal often requires a customized approach.

    By Purolite Corporation based in Bala Cynwyd, PENNSYLVANIA (USA).

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    Resin technology solutions for the semiconductor - electronics sector

    Purolite ion exchange resins for ultrapure water are specially manufactured to meet the precise needs of the electronics industry for wafer and microchip production.  These needs require the highest possible water quality (less than 1 ppb Total Organic Carbon (TOC) and greater than 18.2 MΩ·cm resistivity, with minimum rinse times), while eliminating contamination of the high purity circuits when ion exchange resin is first installed.

    By Purolite Corporation based in Bala Cynwyd, PENNSYLVANIA (USA).

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    Resin technology solutions for the softening & demineralization - industrial sector

    Industrial water softening is a process that utilizes ion exchange resins to reduce the concentration of calcium and magnesium ions. These alkaline earth metals can cause scaling and insolubility problems in the everyday uses of water by forming calcium and magnesium carbonate scales.

    By Purolite Corporation based in Bala Cynwyd, PENNSYLVANIA (USA).

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    Advanced water treatment equipments for deionization

    Deionized water, also known as demineralized water (DI water or de-ionized water; can also be spelled deionised water), is water that has had its mineral ions removed, such as cations from sodium, calcium, iron, copper and anions such as chloride and bromide. Deionization is a physical process which uses specially-manufactured ion exchange resins which bind to and filter out the mineral salts from water. Because the majority of water impurities are dissolved salts, deionization produces a high purity water that is generally similar to distilled water, and this process is quick and without scale buildup. However, deionization does not significantly remove uncharged organic molecules, viruses or bacteria, except by incidental trapping in the resin. Specially made strong base anion resins can remove Gram-negative bacteria. Deionization can be done continuously and inexpensively using electrodeionization.

    By Advanced Equipment and Services based in Hollywood, FLORIDA (USA).

  • Industrial water Gold and Silver

    Cyanidation is still the most widely used method to leach gold, using sodium or calcium cyanide as lixiviant. An anionic gold-cyanide complex is formed that is extractable by basic resins. Other metals present in the ore, such as silver and base metals ( copper, nickel, cobalt, zinc, iron, etc. ) are also leached in cyanide media. Selective ion exchange resins are designed to preferentially adsorb the mono-valent gold-cyanide species.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Solutions for recovering metals

    The mining industry relies on Calgon Carbon’s Granular Activated Carbon (GAC) to recover gold and other precious metals. Calgon Carbon’s ISEP® Technology is used to recover precious, rare earth and base metals, uranium, copper, nickel and zinc from ore, waste and reclaim streams. Our high-quality activated carbons have been developed and successfully proven to maximize efficiency by reducing the loss of precious metals and the consumption of carbon in three precious metal extraction techniques: Carbon-in-Leach (CIL), Carbon-in-Pulp (CIP) and Carbon-in-Column (CIC). When Ion Exchange is employed for metal recovery in leach and waste streams, Calgon Carbon’s ISEP ® system provides a continuous, consistent and high purity concentrated product while minimizing the use of chemicals, resin and wastes. Calgon Carbon’s continuous ion exchange systems are the most flexible, robust, and accepted in the industry.

    By Calgon Carbon Corporation based in Moon Township, PENNSYLVANIA (USA).

  • Industrial water demineralisation

    Deionized water, also known as demineralised water, is water that has had its mineral ions removed, such as cations like sodium, potassium, calcium, magnesium, iron, and anions such as chloride, nitrate, sulfate, bicarbonate and even silica. Deionization is a chemical process that uses specially manufactured ion exchange resins which exchange hydrogen ion and hydroxide ion for dissolved minerals, which then recombine to form water. Because the majority of water impurities are dissolved salts, deionization produces a high purity water that is generally similar to distilled water, and this process is quick and without scale buildup.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Industrial water Ammonia & Arsenic removal from water

    Nitrogen is a nutrient essential to all forms of life as a basic building block of plant and animal protein. Nevertheless, too much of it can be toxic. The processes used for the removal of ammonium ions from drinking waters include ion exchange. PuriTech`s ION-IX system can be broken up into 4 distinctive zones with each zone operating continuously. The resin is initially loaded with the Ammonia ions (and partially calcium and magnesium)in the adsorption zone. As the ION-IX multi-port valve rotates, the resin that has been saturated with Ammonia ions (and some calcium and magnesium ions)moves into a one-bed displacement zone with softened water to ensure hard water does not cause precipitation within the multi port valve.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Industrial water softening

    The presence of certain metal ions in water causes a variety of problems. These ions interfere with the action of soaps, lead to build up of limescale, which can foul plumbing, boilers, heating equipment. Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water extends the lifetime of plumbing and heating equipment. Softening of low TDS ( Total Dissolved Solids ) water is done commonly with a Strong Acid Cation ( SAC ) exchange resin operating in the sodium form and regenerated with brine. PuriTech`s latest development is a very performant continuous ion exchanger, based on PuriTech`s innovative ION-IX technology which is based on true counter-current ion exchange.

    By PuriTech Ltd based in Herentals, BELGIUM.

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