Deionized (DI) Portable Tank Exchange Service

Nalco Water’s DI portable tank exchange service provides the water quality and quantity you need without the hassle of on-site regeneration. We do this for high-purity and ultra high-purity water applications for virtually any industrial or commercial process where deionized water is critical to production.

DI Portable Tank Exchange Service Installation and Maintenance

DI portable tanks are installed and maintained by trained service technicians, monitored for performance and exchanged with new tanks when needed. Tanks can be exchanged based on throughput or time in service, whichever is most appropriate for the application.

This water softener or resin exchange service is available for industrial and commercial applications. It’s customized to your needs and is a convenient, economical method to produce consistent water quality for your operation. When you choose Nalco Water’s exchange service, you can focus on your core business and maximize profitability.

Nalco Water offers exchange service for the following types of water pretreatment:

Carbon Guard® activated carbon
DI EXPRESS® mixed bed or dual bed deionization
Soft Guard™ water softening systems

Benefits of Nalco Water’s exchange service:

Helps you meet water quality standards
Completely hands-off — our skilled technicians handle all maintenance and tank exchanges
Flexible contracting options
No on-site regeneration
No chemical handling or on-site storage
Improves employee safety
Improves system reliability
Reduces on-site water usage

Product Features for Industrial and Commercial Applications

Nalco Water dual-bed deionizers are available as standard pre-engineered units or as custom designed systems. These DI water systems can be manufactured with a wide range of options and related equipment to provide fully integrated water purifications systems.

Our deionization solutions range from under-the-sink tanks to trailers. DI water equipment comes in various sizes and can be configured to meet any flow rate or quality specification, no matter how demanding.

How the Deionizer Process Works

The most common deionizer process uses specially manufactured ion exchange resins to remove the mineral salts from water. This is accomplished by exchanging the ions on the resin with the unwanted ions in the water that’s being treated. Deionization produces high-purity water that is a similar quality to distilled water.

Deionizers, demineralizers and DI systems are different names for the same equipment. The deionization process removes ions, dissolved solids, gasses, cations and anions including:

Sodium, calcium, magnesium, potassium, manganese and iron (cations)
Sulfates, bicarbonate, alkalinity, chlorides, nitrates, and silica (anions)

Another process, electrodeionization (EDI), utilizes ion exchange resins and electricity to produce ultra pure deionized water. EDI is a continuous and chemical-free process of removing ionized and ionizable species from water using DC power. Nalco Water can work with you to design an EDI system to meet your needs.

Water Pretreatment

February 29, 2028

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