Enhancing Recirculating Aquaculture Systems (RAS) with Membrane Bioreactor (MBR)

Recirculating Aquaculture Systems (RAS) represent a sustainable and efficient approach to aquaculture, reducing water use and environmental impact by recycling water within the system. Instead of discharging large volumes of wastewater, RAS filters and treats it, maintaining optimal water quality for fish health and growth. This makes RAS ideal for fish production in regions with limited water resources.

One of the main challenges in RAS is managing water quality and backwash waste, which contains organic materials, nutrients, and suspended solids. These compounds, if not adequately treated, can harm both the aquatic ecosystem and the fish stock. Therefore, integrating advanced water treatment systems like Membrane Bioreactors (MBRs) is essential.

How Spacedrip’s MBR Technology Enhances RAS Efficiency

Spacedrip’s MBR technology addresses these water quality challenges in RAS by combining biological treatment with membrane filtration. This allows for effective removal of organic pollutants, nutrients (such as nitrogen and phosphorus), and suspended solids, producing high-quality, reusable water. The MBR system reclaims and processes backwash flows, recovering not only water but also salts and heat. This reclaimed water can be safely reused within the RAS, reducing the need for freshwater intake and minimizing salt discharge into the environment.

Spacedrip's systems feature several advantages:

Automated Control

Spacedrip’s technology utilizes software-driven automation, managing all chemical, biological, and mechanical processes through real-time monitoring. This ensures optimal system performance and reduces manual intervention by 70%.

Extended Membrane Lifetime

The system’s software optimizes membrane backwashing and pressure regulation, increasing the lifespan of membranes and pumps by up to five times.

Compliance and Efficiency

Spacedrip’s systems meet rigorous standards, aligning with the EU Drinking Water Directive. This ensures that the effluent meets safe reuse criteria, supporting both regulatory compliance and sustainable aquaculture practices.

For RAS applications, Spacedrip offers containerized, modular systems that allow fish farms to install wastewater treatment solutions with minimal footprint. This compact, plug-and-play setup makes it easier for facilities to adopt advanced water reuse practices without extensive infrastructure modifications.