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Fixed Grid Wastewater Treatment Systems

SSI Aeration, Inc.’s fixed grid aeration systems deliver reliable functionality and support the highest demands in wastewater treatment.

Fixed grid systems are a type of configuration used in a diffused wastewater aeration process. The design features a grid of bolting pipes permanently fixed to the floor of a tank, covering the entire area. This diffused aeration system also includes air blowers and diffusers that are connected to the piping.

Air blowers pump pressurized air through diffusers. Then, the air is released as bubbles and introduced into the tank to break down organic matter and pollutants in the wastewater. The diffusers also play a role in mixing the oxygen with the wastewater to maximize airflow and contact. Diffused aeration systems work from the bottom up, keeping the bacteria suspended in the oxidized water for longer as the aeration rises.

SSI Aeration’s fixed grid systems make the diffused aeration process much more efficient because they use the entire floor. This is also an ideal configuration for diffusers that require minimal to no maintenance.