Aquaculture

OZONE AQUACULTURE INCREASES PRODUCTIVITY AT RAS SYSTEMS, AQUARIUMS, AND FISH FARMS

Ozone in RAS

Three Reasons Ozone Enhances Water Quality and Productivity in Aquaculture.

Ozone treatment in aquaculture, facilitated by ozone generators, significantly enhances water quality and productivity for several reasons:

  1. Effective Disinfection: Ozone generators produce ozone water that efficiently eliminates harmful bacteria, viruses, and fungi, reducing disease outbreaks and improving fish health and growth rates.

  2. Organic Load Reduction: The use of ozone water helps break down excess feed and metabolic waste, lowering biological and chemical oxygen demands. This leads to clearer water and reduces the need for frequent water changes.

  3. Improved Water Quality: Ozone treatment enhances water clarity and quality by reducing dissolved organic carbon (DOC) and other particulates, ensuring optimal conditions for aquatic life and system efficiency.

WHY OZONE WORKS

As previously highlighted, managing the organic load is a critical challenge within recirculating aquaculture systems (RAS), especially under conditions of high fish density and low water exchange rates. Additionally, there’s the concern of heavy metal and nitrite accumulation, which can adversely affect water quality and fish health.

Ozone treatment in aquaculture, a key process in maintaining optimal water conditions, can cause fine and colloidal solids to clump together or microflocculate. This aggregation makes it easier to remove these particles through filtration and sedimentation. Furthermore, ozone aquaculture technology alters the properties of dissolved organic compounds (DOCs) by oxidizing them and causing precipitation. This transformation facilitates their removal through biofiltration and sedimentation, significantly improving water clarity and quality.

The application of ozone in aquaculture also directly impacts the levels of nitrite, a compound that thrives in environments with high organic loads. By lowering the organic load, ozone treatment makes the water less hospitable for nitrite accumulation. Moreover, ozone can convert harmful nitrite into less toxic nitrate, further enhancing the safety and quality of the water in RAS. This multifaceted approach not only improves the living conditions for aquatic life but also contributes to the overall productivity and sustainability of aquaculture operations.

DISINFECTION

Bacteria, of course, are a source of concern for fish farmers. Bacteria grow quickly in dirty water and can be quite bothersome if not controlled.

Ozone is a very reliable disinfectant due to its high oxidation potential. However, when it comes to aquaculture, the main benefits of ozone are microflocculation and water treatment. Water quality is still improving significantly. To use ozone as a disinfectant, the dosing must be based on the total ozone demand when dealing with dissolved organics, colloidal solids, nitrate, and disinfection.

The reduction of solids and DOCs frequently creates an environment that is less conducive to bacterial growth, resulting in a reduced need for disinfection.

aquarium

Maximum disinfection without residue

Globally, ozone plays a crucial role in purifying water for fish farms and aquariums, effectively destroying viruses, bacteria, fungi, and molds without leaving behind any residues or accumulating in organisms. It’s an essential strategy for lowering death rates and boosting productivity in aquaculture.

fish farm

Purifies and improves water quality

Ozone serves as a powerful cleaning agent in fish farms and aquariums, breaking down both organic and inorganic substances, and effectively lowering levels of COD, BOD, suspended solids, sediment, turbidity, colour, odour, and taste. Additionally, ozone removes toxins and heavy metals, while supplying extra dissolved oxygen, which stimulates fish metabolism and growth.

productivity

Increase productivity

The success of your fish farm directly depends on water quality. By using disinfected, oxygen-rich, and clean water, you’ll produce higher quality fish that are well-developed, heavier, and have a better appearance and taste—qualities your customers will appreciate. Additionally, you’ll minimize losses from deaths and diseases, enhancing your fish farm’s overall efficiency.

HOW OZONE WORKS

1. REMOVAL OF COLLOIDAL SOLIDS WITH OZONE MICRO FLOCCULATION

The organic load is a constant concern for RAS systems, especially when the fish density is high and the water exchange rate is low. Ozone has the ability to cause clumping or micro flocculation of fine and colloidal solids, which in turn facilitates removal by filtration and sedimentation.

2. REMOVAL OF DISSOLVED ORGANIC COMPOUNDS AND DISCOLOURATION

Ozone changes the characteristics of the dissolved organic compounds (DOC) by oxidation and precipitation, which makes it easier to remove the COD by biofiltration.

3. TURN LETHAL NITRITE INTO HARMLESS NITRATE WITH OZONE TREATMENT

A high organic load is a favourable environment for nitrite growth. When reducing the organic load with ozone treatment the risk of nitrite growth is also reduced. Ozone also has the ability to oxidize nitrite to nitrate.

Suffer any of the above problems with water quality at your RAS plant? Contact our team at info@ozcon.co.uk

To find out more about how ozone increases productivity in RAS, please read our article published in Global Aquaculture Advocate, Aquaculture Magazine and FishFarmer Magazine.

ozone aquaculture

HOW OZCON CAN HELP YOU INCREASE PRODUCTIVITY WITH OZONE AQUACULTURE WATER TREATMENT.

OZCON offers unique ozone aquaculture solutions for the water treatment of recirculating aquaculture. We offer ozone generators and ozone aquaculture systems that are specially designed for the aquaculture market. The Primozone GM-series ozone generators have several advantages that apply to aquaculture fish farming such as:

  • Compact in size
  • Built-in redundancy
  • Easy to operate
  • Low life-cycle cost
  • Ozone levels are automatically controlled by redox/ORP values in each tank
  • Ozone distribution module that can distribute ozone to several different tanks with individual ozone dosage
Ozone Generators for Fish Farming

IF YOU HAVE A CHALLENGE OR A PROJECT JUST CALL US OR DROP A MESSAGE. ONE OF OUR EXPERTS WILL GET BACK TO YOU IN 24 HOURS.

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