1H2O3 has developed a specific range of reactors for UV disinfection of salty, corrosive water, specially designed in HDPE and capable of handling high flow rates. This range has been specially developed for professionals in :

  • shellfish farming
  • aquaculture
  • saltwater fish farming
  • aquariums

HDPE reactors are designed to meet the most stringent requirements of professional users and optimize their operations in complete safety.

UV disinfection systems for salt water (seawater)

The transmittance of seawater is lower than that of freshwater, and is generally stable at 85%.

HDPE reactors are designed according to the flow rate to be treated. The higher the flow rate, the larger the reactor, in order to guarantee the contact time required for disinfection. In fact, the number and power of lamps will be calculated to guarantee the dose necessary and sufficient to eliminate 99.9% of microorganisms (bacteria, viruses, suspended algae, etc.).

Here are just a few of the important criteria for shellfish and saltwater fish farming professionals:

  • Equipment specially designed to resist corrosion
  • Simplified on-line design, taking into account the specific turbidity of salt water, thus guaranteeing the effectiveness of UV radiation
  • Power that provides real efficiency right up to the end of lamp life, and guarantees effective destruction of undesirable micro-organisms (in particular certain viruses and suspended algae).
  • Crystal-clear, healthy water
  • It avoids the use of any chemical substances
  • Simple, maintenance-friendly design
  • Allows quick and easy installation
  • Safe for flora and fauna
  • Total respect for the environment
UV disinfection of salty or corrosive water

Disinfection system benefits

HDPE saltwater UV disinfection reactors offer optimized performance thanks to UV-C lamps based on the latest High Intensity (HO) or Amalgam (AM) performance technologies:

  • Extremely long lamp life (12,000 to 13,000 hours depending on number of switch-ons)
  • Specific electronic ballasts for maximum UV lamp efficiency and integrated control
  • A sealing system for easy maintenance
  • Lamp control with individual indicator lights
  • insignificant pressure loss
  • Inlet/Outlet connection with rotating flanges
  • Drain plug
  • Maintenance: quick and easy lamp change and quartz sleeve cleaning

Design tips: UV disinfection of salt water

On the page dedicated to UV reactors, you’ll find a wide range of solutions (up to a unit flow rate of 45 m3/h). If your flow rate exceeds 1000 m3/h, please ask us!

  • Select
  • Select the water source to be potabilized, e.g.
  • 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 to determine whether prefilters are necessary, it is recommended that a source water analysis be performed with these parameters:

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