Aerobic Granular Sludge in SBR Systems

The formation of Aerobic Granular Sludge (AGS) in SBR (Sequencing Batch Reactor) systems requires a careful balance of several factors, including adequate aeration, effective mixing, short settling times and well-controlled biological cycles.

In conventional systems, reducing the air supply often results in reduced mixing, limiting the flexibility needed to optimize the treatment process.

An innovative approach is the ability to control aeration and mixing independently. Thanks to its dual-speed motor and inverter control, the SCLK pressurized submersible aerator by SCM Tecnologie can operate both as an aerator and as a mixer, keeping the biomass in suspension even when no air is supplied. This feature allows the system to adapt to the different phases of the SBR cycle, improving process control while contributing to lower energy consumption.

For engineers and plant operators, a system that separates mixing from aeration provides greater operational flexibility and more precise process management, creating optimal conditions for the development of Aerobic Granular Sludge.