From Blowers To Controls: The Path To Smarter Aeration

Aerzen’s legacy in the wastewater industry spans more than 160 years, and the company continues to push boundaries in blower efficiency and intelligent control. Its product portfolio—ranging from positive displacement and low-pressure screw blowers to high-speed turbo and hybrid designs—supports applications across plants of all sizes. The newly introduced direct-drive hybrid blower offers even greater efficiency and turndown than traditional turbo models, setting a new benchmark for aeration performance. Yet true optimization goes beyond hardware. Aerzen’s advanced control systems, including “most open valve” control and a self-tuning algorithm, dynamically adjust airflow based on real-time dissolved oxygen (DO) feedback and process conditions. These systems have achieved energy savings of up to 41% compared to manual control and 20% over PID-based systems. For smaller utilities, Aerzen also offers on-site demonstration programs—allowing plants to test hybrid blowers and controls before purchase, evaluate savings, and explore financing options. Together, these innovations give wastewater utilities a clear, low-risk path toward smarter, more efficient aeration.