To increase the daily flow rate of the WWTP and improve the effluent quality including nitrogen removal in order to abide by EPA regulations.
The solution was to provide 36 retrievable fine bubble aeration units. 28 units were installed in the bio-reactor. Each unit was equipped with tubular diffusers with a stainless-steel inner tube and EPDM membranes, all designed, manufactured and supplied by Membracon. The additional eight aeration units, manufactured from 316 SS with EPDM fine bubble membranes were installed in the aerobic digestor. Each aeration unit was equipped with a purge system that uses the postive air pressure to continually remove any condensate or water penetrating the unit.
The aeration units in both the bioreactor and the aerobic digester, were designed for the maximum airflow rate for 2040, with the number of diffusers required up to 2025. This was done to accommodate the future possibility of attaching additional diffusers for increase in the oxygen demand, providing future cost savings to the client.
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