Mixed Bed Ion Exchange

High Purity Demineralized Water

Ovivo Ultra-Pure Water+ by Ecolab mixed bed ion exchange is used to economically produce demineralized water for a wide variety of applications, such as final polishing, located downstream of a primary demineralization stage, or polishing high purity water recycle loops and condensate polishing.

The collection systems within internally regenerated mixed beds are a common failure point. Our internally regenerated mixed bed systems offer a robust solution capable of withstanding the forces that are imposed during service and regeneration cycles, providing long term reliable operation.

How It Works

Mixed bed polishing is an ion exchange-based water treatment technology that comprises of a bed of cation and anion resins, intimately mixed and housed within a cylindrical vessel. The mix of resins provides a perfect environment for the removal of dissolved ionic contaminants.

Mixed beds can be supplied as internally regenerated where the resin is separated around a central collection system within the vessel. The separated resins are then individually regenerated with the appropriate chemical, rinsed, mixed using air and then returned to service. We also offer externally regenerated systems, such as our Conesep and Movex products, where the resin is transferred from the vessel to an external regeneration system for the condensate polishing process.

Where mixed beds are acting as a final polisher step in a high-purity demineralization system, a non-regenerable mixed bed polisher can be a more cost-effective solution. Ovivo offers a service option to remove the resins and regenerate off-site for return and reuse where appropriate, eliminating the need for on-site storage and handling of chemicals for regeneration.

Where mixed beds are acting as a final polisher step in a high-purity demineralization system, a non-regenerable mixed bed polisher can be a more cost effective solution. Ovivo offers a service option to remove the resins and regenerate off-site for return and reuse where appropriate, avoiding the customer the need to handle and store chemicals on site for regeneration.

Related Product

Electro Deionization

Electro Deionization (EDI) is a polishing step to remove low levels of dissolved contaminants from water, such as reverse osmosis permeate. Producing high purity demineralized water, similar in quality to that of a polishing mixed bed ion exchanger, but without the need for chemical regenerants.

Equipment Details

Features and Benefits

Technicial Information

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Experienced Ultrapure Water Treatment Partners

  • Decades of ultrapure water purification applications development
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Ovivo Ultra-Pure Water+ by Ecolab

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