Flotation for Secondary Effluent Polishing
This paper discusses dissolved-air flotation (DAF) for tertiary treatment and secondary effluent polishing. The process has the capcity to handle…
Algae Harvesting Using Flotation
This paper discusses dissolved-air flotation (DAF) applied to algae harvesting for the algae-to-biofuels industry. The DAF process is the most…
The History and Present Status of the World*s First Major Membrane-Based Water Reuse System in the Petrochemical Industry
This paper reviews the history and present status of a successful advanced recycled water treatment system in operation for more…
Methods for Monitoring Anammox Reactor Systems: Lessons Learned from Piloting DEMON* Sidestream Treatment
Many wastewater treatment plants are faced with the challenge of meeting new or lower nutrient discharge requirements. One cost-effective approach…
Nitrate Contamination in Silver Springs: Feasibility Study for Expansion of Silver Springs Regional Wastewater Collection System and Treatment Plant
Marion County received a Community Budget Issue Request (CBIR) Grant from the State of Florida to address the issue abatement…
Integrated Utility Master Planning-*Eyeing the Bottom Line*
In 2009 Marion County Utilities Department (MCUD) in collaboration with an engineering consulting firm (PBS&J) developed an “Integrated” Water and…
Degradation Characteristics of Influent Solids and the Effect on Industrial Activated Sludge Design
Understanding and correctly accounting for influent volatile suspended solids (VSS) degradation is important for representative modeling and successful design of…
Effect of Climate Change on Sewer Overflows in Milwaukee
The Milwaukee Metropolitan Sewerage District and the Southeastern Wisconsin Regional Planning Commission applied an innovative watershed approach to complete a…
Wet Weather Flow Treatment with a Difference: Novel Ideas for Applying Chemically Enhanced Primary Treatment with High Rate Disinfection
The Northeast Ohio Regional Sewer District has initiated an investigation into the feasibility of implementing chemically enhanced primary treatment (CEPT)…
Results of the Large-Scale Pilot Investigation of the DEMON* Nitrogen Removal System in Pierce County, Washington
A four-month pilot investigation was conducted from April to August 2011 to assess performance of the DEMON® nitrogen removal system…
Achieving Ultra – Low Effluent Phosphorus during Start-up under Stress Conditions and Maintaining Performance Long Term
CoMag® is a ballasted flocculation sedimentation process designed for different applications including tertiary phosphorus removal. The Town of Maynard selected…
Infiltration Reduction Utilizing Flood Grouting Technology
The 1950s-era concrete pipe sanitary sewer system in Seattle’s Broadview neighborhood experiences significant wet weather inflow and infiltration. Intense wet…