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Ion exchange (IX) resin technology has been used extensively as a practical and effective form of water treatment for many years. IX is often used with water softening, which is its most common application. However, IX resins have many other applications.
The studied resin has a very high adsorption efficiency, reaching 30–40% in weight and the efficiency decreases, decreasing pH, due to competition between ions H + and Hg 2+. Such a high efficiency confirms previous results and justifies the great interest for the application of ion exchange resins in water treatment plants.