Ozone generator aquaculture france

Ozone generator for Aquaculture

The ozone generator produces ozone (O₃) from oxygen or dry air using high-frequency corona discharge technology. Ozone is a powerful oxidizing agent widely used in aquaculture to improve water quality, reduce organic load, lower nitrite concentrations, and control many waterborne pathogens.

Particularly suited for recirculating aquaculture systems (RAS), hatcheries, public aquariums, and intensive fish farming facilities, ozone generators help maintain clear, healthy, and biologically stable water while reducing water consumption.

Applications

  • Water treatment in RAS facilities
  • Dissolved organic matter reduction
  • Water clarification
  • Disinfection and bacterial load reduction
  • Oxidation of organic and nitrogen compounds
  • Public aquariums, aquatic zoos, and hatcheries

Benefits

  • High ozone production efficiency
  • Improved water quality and biosecurity
  • Reduced water exchange requirements
  • Enhanced water clarity and light penetration
  • Low energy consumption
  • Automatic and continuous operation

Features

  • High-frequency corona discharge technology
  • Compatible with oxygen or dry air feed gas
  • Heavy-duty industrial construction
  • Easy integration into existing systems
  • Compatible with PLC and SCADA control systems

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Modèle
Type
Quantity

Caution: Ozone is a potentially toxic gas, and the design and use of the system must comply with applicable local regulations and safety standards.

Ozone generation systems use atmospheric air as the feed gas for ozone production and are delivered as complete units, including a skimmer-type reactor. The ozone concentration reaches 20 g O₃/Nm³.

Models Reference System Ozone Flowate (*) RAS Seafood holding system
Freshwater Seawater Max.Kg fod max. t fish
1 F0112100 F0116100 AZ-1 1 g

O3/h

2.5m ³/h // 0.8 m³/h       0.25 - 0.5 0.2
2 F0112200 F0116200 AZ-2 5 g

O3/h

2.5m ³/h // 3.0 m³/h  1.25 - 2.5 0.8
3 F0112300 F0116300 AZ-3 10 g

O3/h

2.5m ³/h // 3.0 m³/h  2.5 - 5.0 1.7
4 F0112400 F0116400 AZ-4 20 g

O3/h

6.5 m³/h // 11 m³/h  5.0 - 10 3.3
5 F0112500 F0116500 AZ-5 30 g

O3/h

6.5 m³/h // 11 m³/h  7.5 - 15 5.0
6 F0112600 F0116600 AZ-6 60 g

O3/h

20 m³/h // 16 m³/h 

15 - 30

10.0
7 F0112700 F0116700 AZ-7 100 g

O3/h

40 m³/h // 22 m³/h  25 - 50 16.7
8 F0112800 F0116800 AZ-8 200 g

O3/h

50 m³/h // 63 m³/h  50 - 100 33.3
9 F0112900 F0116900 AZ-9 300 g

O3/h

75 m³/h // 113 m³/h  75 - 250 50.0
10 F0113100 F0117100 AZ-10 500 g

O3/h

135 m³/h // 141 m³/h  125 - 250 83.3

(*) Freshwater with 1 minute retention time // seawater with 1.5 minutes retention time

Data provided for informational purposes only, without commitment.

Main components of ozone systems (some optional):

-ozone generator
-reactor
-ORP unit control 
-measuring unit 
-measuring tube 
-Safety U tube
-residual ozone destructor
-ozone detector
-air compressor
-pumps
-fitting

Use in Aquaculture

In fish farming systems (intensive or recirculating), the ozonizer is used to:

  • Disinfect water: eliminates viruses, bacteria, fungi, and parasites.

  • Reduce organic load: ozone oxidizes dissolved organic matter, lowering COD (Chemical Oxygen Demand).

  • Improve water clarity: flocculates fine suspended particles.

  • Enhance oxygenation: ozone breaks down into oxygen, increasing O₂ levels.

  • Control odors: ozone neutralizes smelly compounds.

Caution: Ozone is toxic to aquatic organisms at high concentrations. Its use requires strict controls (sensors, ozone destructors, controlled contact time).

Use in Aquariology

In aquariums, especially reef or marine tanks:

  • Gentle water sterilization: without UV or chemicals.

  • Reduction of nuisance algae: removes dissolved nutrients.

  • Improved water aesthetics: clearer water, no yellow tint.

  • Boosts protein skimmer performance: promotes foam formation.

Advantages

  • No chemical residue

  • Effective against a wide range of pathogens

  • Enhances biological and mechanical filtration

Disadvantages

  • Cost of equipment and maintenance

  • Risk of overexposure for fish

  • Requires an ozone destructor system (e.g., activated carbon, catalytic burner)

 Typical Ozonizer System Components

  1. Ozone generator

  2. Injection system (diffuser, venturi)

  3. Contact chamber or reactor

  4. Ozone destructor

  5. Controllers/Redox meters (to monitor ozone levels)

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