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Industries around the globe rely on Chemenergy's trained service technicians to get the job done right. Protecting chillers, cooling towers, boilers, RO systems, etc. in facilities worldwide.

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White Rust

Galvanized steel is available for reaction types that can be harmful if allowed to react. This is especially true with new galvanized steel when the protective coating is first beginning to form. The time required to form the coating can range from weeks to months at a time depending on exposure temp. and conditions. Steel may react to form a zinc carbonate form as a paste or white nodules. This happens in place of a protective layer. This material is referred to as "white rust".

White Rust & proper prevention using white rust inhibitors:

Overview:

This white rust layer is non-protective. Corrosion of Zinc can continue beneath the modules. This reaction acts fast once it takes hold and if it is not corrected a galvanized coating on sheet steel can be destroyed in a few weeks.

Chemenergy can provide and apply a white rust inhibitor to ensure prevention of White Rust on new galvanized steel cooling water systems and can also correct cooling water systems that are already affected by white rust problems.

Services:

Partnering with us for new galvanized cooling systems will ensure:

- White rust will not spread or form within the system
- all oils and debris will be cleaned from metal surfaces
- Water treatment will begin with a phosphate-based plan which should always be used when starting up a new galvanized steel system.
- Good microbiological control
- Visual inspections show no signs of white rust- a protective coating will be allowed to grow on new system

Partnering with us for an already infected white rust application will ensure:

- a cleaning of the surface in order to receive inhibitor treatment properly
- Using neutral PH cleaners
- system will be returned to service using proper and correct water treatment programs to prevent future outbreaks

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