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Meeting the Pressure of Aquaculture Growth

Aquaculture is expanding fast—faster than any other food production sector over the past two decades. With farmed fish now surpassing wild-caught fish in global consumption, the pressure is on to scale operations sustainably and efficiently. But high-density farming brings environmental, social, and governance risks. Operators need smarter infrastructure, and process air systems are central to that shift.

This white paper from Robuschi outlines how rotary lobe blowers, vacuum pumps, and screw compressors are being adapted to meet the aquaculture sector’s evolving needs. From fish handling and feeding to wastewater treatment and packaging, air systems are doing more than ever—and they’re being asked to do it in tighter spaces, with lower noise, and higher energy efficiency.

Get the complete guide to process air installations in aquaculture, including technology specs, case studies, and maintenance strategies.
Air and Aquaculture White Paper

Key Applications of Process Air in Aquaculture

  • Fish Handling & Evisceration: Vacuum systems extract entrails and transport live fish between stages.
  • Packaging: Vacuum packaging extends shelf life by removing oxygen.
  • Aeration & Oxygenation: Blowers increase dissolved oxygen in tanks, accelerating fish growth.
  • Feeding Systems: Pneumatic conveying systems deliver feed without damaging pellets.
  • Wastewater Treatment: Compressors mix sludge with oxygen to improve gas yield and reduce retention time.
  • Recirculating Aquaculture Systems (RAS): Roots blowers support water recycling and oxygenation, reducing carbon footprint by up to 50%.

Technology Innovations

Robuschi Robox Aqua Rotary Lobe Blower

  • 10% higher volume flow than traditional systems
  • 6% lower power consumption
  • Stackable, compact, and quiet (<80 dB(A))
  • Easy front-access servicing

Elmo Rietschle G-BH8 Aqua Side Channel Blower

  • 65% higher pressure capability
  • 70% smaller footprint
  • Maintenance-free and ultra-quiet
  • Adjustable speed drive for flow control

Common Challenges Solved

  • Space Constraints: Compact, stackable units maximize feed barge capacity.
  • Energy Efficiency: IE3 motors and direct drive systems reduce consumption.
  • Noise Reduction: Low-noise designs improve fish health and operator comfort.
  • Maintenance: Modular systems simplify servicing and reduce downtime.
  • System Reliability: Genuine parts and predictive maintenance models extend equipment life.

Case Studies

  • Gael Force Group (Scotland): Increased feed line capacity from six to eight using Robox Aqua units, winning new contracts.
  • Gospodarstwo Rybackie Łupawa (Poland): Installed Robuschi blowers to double fish tank capacity and improve water treatment efficiency.

FAQs

Process air refers to compressed air used in various aquaculture operations, including aeration, feeding, packaging, and wastewater treatment.