What Are DI Exchange Tanks Used For?

October 18, 2021 8:55 pm Leave your thoughts

When you’re considering a deionization (DI) water purification system, you may have heard about DI exchange tanks. What are they used for, and do you need one? If you have or are considering a service deionization system (SDI), it will use a DI exchange tank. They replace synthetic resins that are used to capture harmful anions and cations.

However, if you have an electrodeionization system (EDI), you won’t need one. These systems continuously regenerate on their own.

When to use DI exchange tanks

DI exchange tanks are usually used downstream, in a reverse osmosis system. However, they can also be used as a standalone purification system. This usually occurs when you’re unable to use a complete reverse osmosis and DI exchange system.

If you’re considering DI exchange tanks, make sure to consider size, outflow quality requirements and the characteristics of your feed water. Generally, the larger the DI exchange tank, the higher the flow rates. You should also consider the bed tanks. You can choose separate bed tanks, which create higher volumes of deionized water at lower quality, or mixed bed tanks, which can create lower volumes of deionized water at a higher quality.

The type of DI exchange tank you choose will depend on your water quality and volume needs. If you’re unsure as to which type is best for you, reach out to the team at Ultra Pure Water Technologies for advice.

Benefits of DI exchange tanks

Here’s a closer look at some of the key benefits of DI exchange tanks:

  • Effective purification: Not only do DI tanks effectively remove minerals from your water, but their maintenance needs are minimal. You can rely on DI exchange tanks to purify water reliably, over the long term, with very little preventative maintenance needed.
  • Environmentally friendly: DI water is pure, without the need for added chemicals or additives. This makes it safe for anything from consumption to sustainable efforts and green cleaning.
  • Useful in industrial settings: Deionized water is used in manufacturing and other industrial settings. It can clean machinery without leaving behind salts, and makes a suitable coolant thanks to its low conductivity.
  • Used in numerous industries: DI water is often used in manufacturing, but also for food and beverage, pharmaceutical, laboratory and agricultural purposes, among others. If you need pure water with low conductivity, DI water is your best choice.
  • Get the options you need: DI exchange tanks come in a variety of sizes and resin types. This allows users to customize their exchange tank to their feed water characteristics and volume needs. When you need pure water, DI exchange tanks can handle the job—no matter how much of it and how high a quality you require.

Now that you know what DI exchange tanks are used for, and how they can be customized, you can invest in your own. If your commercial or industrial building requires pure water, Ultra Pure Water Technologies can help you find the perfect system for your needs. Call us today to learn more about our services and selection.

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