WEF Webcasts Cover Phosphorus Removal, Inflow and Infiltration, and Odor

May 13, 2017

Learning Opps

Basics of Phosphorus Removal and Operational Lessons Learned

The Water Environment Federation (WEF; Alexandria, Va.) Plant Operations and Maintenance Committee developed this webcast to introduce the basics of phosphorus removal in a municipal water resource recovery facility liquid stream. Subject experts will lead a classroom-style review of topics including phosphorus speciation, biological phosphorus removal, and general operational considerations. Participants will hear about facilities that are meeting stringent total phosphorus limits with biological removal processes.

May 25, 1–3 p.m. (EDT)

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Planning for I/I Reduction and Strategies to Get the Job Done

This primer on inflow and infiltration (I/I) program drivers and approaches will include case studies and presentations on such topics as funding, legal aspects, and communication. One presented case study covers the Metropolitan Council in the Minneapolis–St. Paul, Minn. area that saw tangible I/I reductions from a regional I/I peak flow limit program spanning more than 10 years. Participants will learn the history of this program and how it evolved to meet the needs of the region, which has a service population of more than 3 million.

June 7, 1–3 p.m. (EDT)

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Anticipating Odor Releases Based on Air Flow in Collection Systems and Selecting Appropriate Treatment to Control Odors

Learn the dynamics of air flow through collection systems and how this relates to the release of odors. Speakers will discuss hydraulic jumps, siphons, drop manholes, slope changes, and other hydraulic changes in wastewater systems. Presenters will discuss options for controlling the flow of air through the system. One discussion will compare capturing and treating foul air from the collection system by adding chemicals into wastewater. Participants will gain an understanding of the relative movement of air and wastewater through treatment systems and how this affects odors.

June 21, 1–3 p.m. (EDT)

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