Robuschi + SSI Aeration: The Smart Way to Optimise Aeration Efficiency

Unlock Superior Aeration Performance with the Right Blower Technology 

Aeration is the heart of biological wastewater treatment, and its energy footprint can represent up to 70% of a plant’s total consumption. Selecting the optimal blower technology—and pairing it with high performance diffusers—is essential to achieve maximum oxygen transfer efficiency, stable process operation, and dramatic energy savings. 

Robuschi, a global leader in low pressure solutions, offers a complete portfolio of blower technologies—Robox Lobe, Robox Screw, and Robox Turbo—designed to meet the specific oxygen demand of each treatment stage. When combined with SSI Aeration’s advanced diffuser systems, operators gain a powerful, integrated solution that delivers precision, reliability, and long term efficiency. 

Each aeration basin has its own dynamics, load variations, and seasonal fluctuations. This is why a “single technology” approach is rarely the most efficient. Robuschi enables treatment plants to configure their aeration system with the right blower, in the right position, at the right time: 

• Robox Lobe – Robust, costeffective and ideal for constantload applications requiring steady airflow.
• Robox  Screw – High efficiency across a broad turndown range, perfect for variable load environments.
• Robox Turbo – Exceptional performance for high flow, high efficiency applications with stable demand.

By combining these technologies, plants create a flexible aeration ecosystem capable of responding to process changes while minimizing operational costs. 

Benefits of Combining Robuschi Blowers with SSI Diffusers

1. Significant Energy Savings
   Matching blower output with diffuser performance ensures that every kW of energy contributes to oxygenation—not losses. Variable demand applications can benefit from the efficiency of Robox Screw and Robox Turbo. 
2. Optimised Airflow for Every Basin
   Different aeration zones (selectors, oxidation basins, nitrification areas) have unique airflow patterns. The flexibility of Robuschi’s blower range allows operators to deliver precise airflow where and when it's needed, enhancing overall biological process stability. 
3. Superior Oxygen Transfer Efficiency (OTE)
   SSI diffusers produce fine and ultrafine bubbles that increase oxygen dissolution and distribution. This improves treatment performance while reducing the required airflow—and therefore the energy consumption of the blower system. 
4. Longer System Lifespan & Lower Maintenance
   The combination of high quality blowers and fouling resistant diffusers minimizes pressure losses over time. This helps maintain efficiency and reduces maintenance interventions, unexpected shutdowns, and long term operational costs. 
5. Intelligent Scalability & Future Ready Design
   Whether upgrading an existing line or building a new one, the Robuschi + SSI integration allows plant operators to scale intelligently. Additional blowers or diffuser grids can be incorporated with minimal disruption, supporting future capacity increases and stricter environmental standards. 

Choosing the correct combination of blowers and diffusers is not just an engineering decision—it is a strategic investment in reliability, sustainability, and operational excellence. 

Robuschi + SSI Aeration:
Efficiency Starts with the Right Air.