RAS for Commercial Fish Farming
Integrated recirculating aquaculture systems for high-density grow-out of salmon, tilapia, grouper, and other commercial finfish species.
Suitable For
- Species: Salmon, Tilapia, Grouper, Sea Bass, Trout
- Regions: Global, Europe, Middle East, Asia-Pacific
- Customers: Investors, Commercial farm operators, Project developers
Main Challenges
- •Unstable water quality under high stocking density
- •High oxygen demand and poor DO control
- •Fragmented equipment from multiple vendors
- •Difficult scaling from pilot to commercial scale
- •Unclear responsibility between design and operations
Recommended System Logic
Commercial fish RAS requires robust solids removal, nitrification capacity matched to feed loading, reliable oxygen injection, CO2 stripping, biosecurity barriers, and centralized monitoring. TurnkeyRAS designs the hydraulic loop, module sizing, redundancy strategy, and automation logic as one integrated system rather than isolated equipment packages.
Key Modules Included
Mechanical Filtration
High-capacity drum and micro-screen filtration for reliable solids removal in commercial RAS loops.
Biofiltration
Moving bed and fixed film biofilters engineered for ammonia and nitrite control under commercial feed loading.
Oxygenation
High-efficiency oxygen cones, diffusers, and injection systems for commercial stocking densities.
Degassing
CO2 stripping columns and degassing loops to maintain safe carbon dioxide levels in intensive culture.
UV / Ozone Disinfection
UV and ozone systems for pathogen control and biosecurity in commercial RAS loops.
Automation & Monitoring
PLC/SCADA panels, sensor networks, and alarm logic for reliable commercial RAS operation.
RAS Process Diagram
Water Recirculation
Continuous movement of water from tanks to treatment systems.
Mechanical Filtration
Removal of solid waste and uneaten feed particles.
Biofiltration
Biological conversion of toxic ammonia to less harmful nitrates.
Degassing
Stripping out excess carbon dioxide (CO2) from the water.
Oxygenation
Dissolving pure oxygen to support high stocking densities.
Disinfection
UV or Ozone treatment to eliminate pathogens.
Temperature Control
Maintaining optimal thermal conditions for specific species.
Monitoring & Return
Automated parameter checks before returning clean water to tanks.
Water Recirculation
Continuous movement of water from tanks to treatment systems.
Mechanical Filtration
Removal of solid waste and uneaten feed particles.
Biofiltration
Biological conversion of toxic ammonia to less harmful nitrates.
Degassing
Stripping out excess carbon dioxide (CO2) from the water.
Oxygenation
Dissolving pure oxygen to support high stocking densities.
Disinfection
UV or Ozone treatment to eliminate pathogens.
Temperature Control
Maintaining optimal thermal conditions for specific species.
Monitoring & Return
Automated parameter checks before returning clean water to tanks.
Typical Project Scope
Typical scope includes process design, P&ID development, core module supply, PLC/SCADA integration, installation support, commissioning, operator training, and after-sales technical support. Civil works and building construction are usually client or local partner scope.
Responsibility Matrix
TurnkeyRAS Scope
- •System process design and engineering
- •Core RAS module manufacturing and supply
- •Automation and monitoring integration
- •Commissioning and performance verification
- •Operator training and documentation
Client Scope
- •Land, permits, and civil infrastructure
- •Building and tank construction
- •Utilities connection (power, water)
- •Local labor and site logistics
Local Partner Scope
- •Civil and MEP installation support
- •Local regulatory compliance assistance
- •On-site construction management
Case Reference
Hot Climate RAS Project Story
A commercial aquaculture project in the Middle East faced extreme ambient heat, high evaporation rates, and limited freshwater availability. Traditional flow-through or pond systems could not meet biosecurity and water efficiency targets.
TurnkeyRAS delivered a chilled RAS concept with optimized insulation strategy, evaporation recovery planning, redundant oxygenation, and climate-specific automation alarms. Mechanical filtration and biofiltration were sized for peak summer loading.
Frequently Asked Questions
Get a Custom Solution
Share your species, capacity, and location for a preliminary system recommendation.