by Astrid Buran Holan, Senior Advisor, Ph.D Environmental
Engineering, ScaleAQ Landbased, Norway
The main advantage of a RAS facility is the formation of an aquatic environment that you – and not mother nature – can determine the quality of. To be able to have full control of that environment, the right choices have to be made at every stage, from choice of technology to the individual elements of the facility, and to how the facility will work as a whole.
A specialist Norwegian company, ScaleAQ Landbased (formerly known as AquaOptima) builds turnkey facilities that guarantee optimal water quality for fish production. They believe that water quality is key, because clean water provides the best possible growing conditions for the fish.
The main advantage of a RAS facility is the formation of an aquatic environment that you – and not mother nature – can determine the quality of. To be able to have full control of that environment, the right choices have to be made at every stage, from choice of technology to the individual elements of the facility, and to how the facility will work as a whole.
A specialist Norwegian company, ScaleAQ Landbased (formerly known as AquaOptima) builds turnkey facilities that guarantee optimal water quality for fish production. They believe that water quality is key, because clean water provides the best possible growing conditions for the fish.
"OptiFarm is our concept for a complete RAS facility," says Senior Consultant and RAS expert, Astrid Buran Holan from ScaleAQ. “It's designed for optimum fish health and growth. Every single component in the facility is carefully selected for the same purpose. The OptiFarm system gives efficient automatic cleaning of tanks, good water flow speed and optimal water quality.”
Removing particles
Particles such as fish faeces and uneaten feed quickly dissolve and pose a threat to water quality as they can affect the treatment process and increase the risk of sludge build-up. The latter is one of the RAS industry's biggest problems, and often the reason why H2S accumulates.
To create and maintain optimal water quality, all particles in the water – even the smallest – have to be removed, and as quickly as possible.
"We want to provide the best possible solutions for fish farmers, and to make their lives easier. We believe in removing all the particles from the water – right down to the smallest – and as quickly as possible," says Holan.
Doing so is easy if the right RAS technology is chosen, along with proper dimensioning and operation of the facility.
"If the health and welfare of the fish in the facility are poor, there is little chance of the facility making a profit,” Holan adds. “Treating the water efficiently provides a high degree of fish welfare and production. An even distribution of fish throughout the full volume of the tank is also important to their health. And that can only be achieved if the water quality and hydrodynamics are correct in the whole tank.”
Read more, HERE.
The Aquaculturists
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