Coarse Bubble Air Diffuser
Coarse bubble diffusers produce 1/4 to 1/2 inch (6.4 to 13 mm) bubbles which rise rapidly from the floor of a wastewater treatment plant or sewage treatment plant tank. They are typically used in grit chambers, equalization basins, chlorine contact tanks, and aerobic digesters, and sometimes also in aeration tanks.
Benefits of using it:
Less prone to plugging due to air mass coming from the larger hole openings
Optimal mixing capacity in tanks with thicker mass and sediments
Ideal solution for secondary treatment phase. (If fine bubble diffusers were used in this secondary phase, floc, sediment and carbonate build-up would narrow or plug its smaller air holes.)
