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Tulsion® Mixed-Bed Ion Exchange Resin Applications

Naturally occurring water contains dissolved mineral salts that can easily precipitate on surfaces, forming spots or leaving behind a residue. Many cleaning services now use deionized water to provide a spotless cleaning experience and avoid residue formation during the final rinse of their application.

What is the most economical way of producing deionized water?

Deionized water is critical to many manufacturing processes and industrial processing applications. DI water can be produced using demineralization water treatment plants or ion exchange systems. The ultra-pure or demineralization plants are not applicable for various applications due to the high capital cost and operation/maintenance requirements.

How does deionization work?

Running water through a mixed-bed ion change resin can help you produce pure water that can be used in a variety of applications. As water passes through the resin, the spot-causing salts and minerals cling to the ion exchange resins, producing deionized water or high-purity water. Ion exchange also offers selective removal of impurities.

Cation resins are used to remove or exchange positively charged contaminants, while anion resins are used to remove negatively charged contaminants. Mixed bed resins are used to remove both types of contaminants. After some time, the resin requires regeneration using a regenerant specific to the resin type to rinse off the impurities and restore the filtration capacity.

What type of ion exchange resin should you use?

This depends on your application and if the water contaminants are anionic or cationic. Mixed-bed ion exchange resins, blends of anion exchange resins, and cation exchange resins are excellent for deionization applications to remove different types of water impurities. We offer Tulsion® mixed-bed ion exchange resins from Thermax, which produce high-purity water and are available in various grades designed to meet the specific needs of your applications.

Tulsion® Mixed-Bed Ion Exchange Applications

Tulsion® resins can be used in resin beds to demineralize water streams, removing calcium and magnesium hardness as well as other anion and cation water impurities. Tulsion® mixed-bed resins are also used in disposable and refillable water filters used in a variety of consumer and industrial applications, including:

Select Your Tulsion® Mixed-Bed Grade


Tulsion® mixed-bed resins are ready-to-use mixes of anionic and cationic cross-linked polystyrene resins with sulfonic and quaternary ammonium functional groups. They provide exceptional purification performance, removing both cation and anion impurities, and can produce demineralized water at conductivity as low as 1 and provide silica removal down to 0.02 ppm.
The mixture of hydrogen form strong acid cation resin and hydroxide form strong base anion resin makes them suitable as a stand-alone filtration system in demineralization and water polishing applications.

* SAC and SAB are polystyrene copolymers cross-linked with sulfonic acid and quaternary ammonium compounds.

Tulsion® ion exchange resins are available in stock in different packaging sizes, including one-cubic-foot bags. Technical specialists are available for assistance and product recommendations. Contact us today to speak with a specialist and request your quote.

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