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Pure Oxygen Plus Nitrification? Biowin Modeling Plus Full-Scale Experience

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Abstract:

High Purity Oxygen (HPO) activated sludge treatment and nitrogen removal do not have to be mutually exclusive. Some HPO activated sludge treatment facilities in relatively warm climates must address recently implemented or upcoming regulatory changes that require reduction of effluent nitrogen discharge levels. The 48.75 mgd capacity (annual average) Hollywood Southern Regional Wastewater Treatment Plant (Hollywood WWTP) and the 112.5 mgd (annual average) Miami-Dade South District (Miami South District WWTP), HPO activated sludge treatment systems and are facing these changes. The 96 mgd (annual average) Howard F. Curren Advanced Wastewater Treatment Plant (Curren AWWTP) utilizes high purity oxygen facilities and also has some experience to offer regarding nitrogen removal.

Keywords: ALTERNATIVE EFFLUENT DISCHARGES; BIOWIN MODELING; DENITRIFICATION; FULL-SCALE TESTING; HIGH-PURITY OXYGEN; NITRIFICATION; SEPTAGE; WARM WEATHER

Document Type: Research Article

DOI: https://doi.org/10.2175/193864707788116428

Publication date: 2007-10-01

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