Ozone Water Treatment for Aquaculture - Agriculture - Aquaculture

Three reasons why ozone in aquaculture improves water quality and increase aquaculture productivity. As recirculating aquaculture systems (RAS) operate by reusing the fish tank water it is essential to control the water quality. Many studies show that treating RAS systems with ozone increases productivity as fish health and survival is increased.

At RAS the organic load tend to be high and the homogeneous fish stock leads to a high risk of infections and problems with bacteria, fungi and viruses. Although ozone is not primarily used for disinfection at RAS the reduction of solids and DOC often creates an environment that is less favourable for bacterial growth and thus creates a reduced need for disinfection.

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 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

Ozone changes the characteristics of the dissolved organic compounds (DOC) by oxidation and precipitation which makes it easier to remove the DOC by bio filtration and sedimentation.

3. Turn lethal nitrite into harmless nitrate with ozone treatment

A high organic load is a favorable 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 Aquaculture Specialist Dan Johansson.

To find out more about how ozone increases productivity in RAS, please read our article in Global Aquaculture Advocate. Full magazine to be found here.

How Primozone can help you increase productivity with ozone water treatment.

Primozone offers unique solutions for water treatment of recirculating aquaculture. We offer ozone generatorsand ozone water treatment systems that are especially designed for the aquaculture market. The Primozone OM-series ozone generators have several advantages that applies to aquaculture fish farming such as

  • compact in size
  • built in redundancy
  • easy to operate
  • low life cycle cost
  • ozone levels automatically controlled by redox/orp values in each tank
  • ozone distribution module that can distribute ozone to several different tanks with individual ozone dosage

PRODUCTS

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Primozone - GM Series - Ozone generators

The Primozone ozone generators are suitable for water treatment processes in many different industries. They are produced to optimize ozone production while reducing energy consumption and saving physical space. The Primozone ozone generator is a complete system that is easy to install and operate.

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