Transforming Aeration Energy in Water Resource Recovery Facilities (WRRFs) through Suboxic Nitrogen Removal - Part 3
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Associated Project
Several strategies can optimize aeration to reduce energy consumption, including operating aeration basins at “low dissolved oxygen (DO)” levels. Suboxic nutrient removal (SNR) (DO <0.7 mg/L) has the potential to enhance nutrient removal performance and save energy.
This expert-led webcast series is designed for wastewater professionals looking to deepen their understanding of BNR processes operated with minimal aeration. Consisting of three 1-hour sessions, this series will provide a fundamental overview of low DO/suboxic BNR, design considerations, and first-hand experience from a full-scale demonstration performed at the Los Angeles County Sanitation District's Pomona Water Reclamation Plant (PWRP) as part of WRF project 5148.
This third webcast in the series will highlight the full-scale demonstration at PWRP. PWRP successfully transitioned from average DOs of 2.0 mg/L to 0.8 mg/L and reduced aeration energy consumption from 1400 kWh/MG to 650 kWh/MG while maintaining nitrification. These webcasts are relevant to facilities around the United States facing budget constraints, sustainability goals, and more stringent nutrient limits.