UV Disinfection System Applied for Clear Industrial Corrosive Water

Water in industries for all types of use has the possibility of having an ultraviolet treatment. This inexpensive technique is very effective in removing corrosive and harmful substances in the water and making the water drinkable and clear.

If you want to equip yourself with an effective disinfection system for clear industrial corrosive water, the complete range of UV reactors for salt water can be consulted online, and the sizing can be done on this page.

UV disinfection applied to seawater intake 1H203
UV disinfection applied to saltwater aquariums

Disinfection system benefits

In addition to guaranteeing healthy water free of any risk of contamination by microorganisms, UV treatment of water is also part of an environmental approach:

  • In terms of health, the water treatment, without the addition of harmful pool products, guarantees swimming without the risk of allergies and respiratory diseases (non-chemical)
  • It is also of interest in terms of comfort by ensuring clear, crystal clear and odorless water.
  • The absence of chlorine makes for a safe, environmentally-friendly process.
  • UV treatment makes it possible to achieve real savings thanks to a long service life of the installations and simple, reliable, and long-lasting equipment.
  • Last but not least, the system can be installed and maintained quickly and easily.

Sizing advice: UV disinfection applied for clear industrial corrosive water

On the page dedicated to UV reactors for salt water, many solutions are offered (up to a unit flow rate of 130 m3/h). For higher flow rates, up to 130 m3/h, please contact us!

  • Select “Corrosive/Salt Water”
  • Select the source of water to be made drinkable, for example “Salt pools”.
  • Enter the flow rate to be treated (for example 25 m3/h)
  • Adjust the cost of electricity in your country (for example 0.09€ for France; 0.23€ for Germany)
  • Let 30 mJ / cm² (or adapt)
  • Specify the temperature of the water (normally, between 5 and 40°C is sufficient)
  • Please enter your email address, we will send you the design right away

In any case, to ensure optimal disinfection and decide if pre-filters are necessary, it is recommended to carry out an analysis of the water source with these parameters:

  • Iron
  • Hardness
  • Turbidity
  • Manganese
  • Suspended solids (TSS)
  • Transmittance UV

FAQ

How does a UV lamp work to treat industrial water containing salt, acids or bases?

The UV lamp emits ultraviolet radiation (usually at 254 nm) that inactivates microorganisms in the water. For corrosive industrial water (e.g. rich in chlorides, sulphuric acid or soda), it is crucial that the UV system is designed with resistant materials such as PVC, PVDF or special steels. Radiation does not change the chemistry of the water but deactivates pathogens by damaging their DNA.

A standard UV sterilizer often uses stainless steel (usually AISI 304 or 316L), which can corrode quickly with acidic, saline, or basic water. Corrosive water models use engineering plastic materials or specific alloys to prevent weathering, and their seals are also suitable for extreme conditions (low or high pH, high salinity).

Typical applications include:

  • Process water treatment in the food industry (acid or soda cleaning)

  • Desalination and brine circuits

  • Chemical or pharmaceutical industries

  • Closed-loop cooling circuits using corrosion inhibitors or salt

Yes, it’s even recommended. Ultrapure water, although chemically clean, is often vulnerable to microbial recontamination. The UV treatment at the reverse osmosis outlet (post-RO) guarantees a final barrier without the addition of chemicals, while being compatible with the corrosiveness of purified water (often low in minerals but very aggressive).

Here are the main criteria:

  • Material compatibility : PVC, PVDF, HDPE or titanium depending on the chemical nature of the water.

  • UV transparency of water (TUV): this must be measured to ensure a sufficient dose.

  • Flow and pressure : check the pressure drops and hydraulic sizing.

  • Standards and certifications : check compliance with NSF, ISO, or CE standards depending on usage.

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