Exploring Alternatives: A Process for Evaluating Nutrient Removal for a POTW with High Industrial Loading

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A publicly owned treatment works (POTW) with high industrial loading treating approximately 27 million gallons per day (mgd) expects to receive nitrogen and phosphorus nutrient limits mandated by the Chesapeake Bay nutrient reduction program. The project team, consisting of the POTW, its industry stakeholders, and the consultant evaluated a series of alternatives to meet the reduced effluent nutrient concentration goals at design flows of 34 and 42 mgd. Twelve alternatives were evaluated, encompassing a wide range of nitrogen reduction technologies, from physical/chemical treatment such as high lime stripping and breakpoint chlorination to biological treatment methods. Through a series of workshops, the team developed selection criteria and ranked the alternatives based on their ability to meet the selection criteria to narrow the list of 12 alternatives down to a single, preferred alternative.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864705783858918

Publication date: January 1, 2005

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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