Wastewater Treatment Case Studies and White Papers

  1. PhosphoReduc™ — Emerging Solutions For Phosphorus Removal And Reuse

    Nutrients such as nitrogen and phosphorous can provide many benefits when they are properly used.  When they are applied as a fertilizer at agronomic rates they improve crop production. By Aleksandra Drizo

  2. Lightning Fast Response Prevents Extended Down Time

    The City of Gordon Texas’s drinking water facility was struck by lightning. Thinking long term, and desiring the latest technology available, the City took this opportunity to upgrade their on-line instrumentation with a range of new continuous monitoring on-line instruments including chlorine analyzers, pH monitoring, temperature monitoring, and turbidity monitoring.

  3. Recognized Results Based On Quality Assurance And Quality Control

    Responsibility for analysis results lies with the users themselves or their supervisors. Both are therefore liable for any incorrect interpretations and decisions that are made as a consequence of incorrect data.

  4. Case Study: More Power. More Control.
    Cuyahoga County is the most populous county in Ohio, with nearly 1.4 million residents. Part of Greater Cleveland, the county is named after a Native American word meaning "crooked river." By The Gorman-Rupp Company
  5. New Membrane Technology Handles High Solids, Aids Water Reuse

    As global conditions place more stress on water resources, a great deal of attention is being paid to water reuse technologies, particularly those that facilitate the reuse of the next level of difficult-to-treat or highly variable raw water sources.

  6. Activating The Sludge In Small Municipal Facultative Waste Lagoon Systems

    Wastewater treatment lagoons were originally facultative in design — shallow, single and multi-cell lagoon systems that counted on wind, sunlight, anaerobic bacteria, and time for the digestion of the organic components of the wastewater.

  7. Innovative Use Of Dissolved Air Flotation With Biosorption As Primary Treatment To Approach Energy Neutrality In WWTP’s

    This paper presents two types of DAF applications together with biosorption (the “Captivator system”) as primary treatments. In one case, the Captivator system is the sole primary treatment for a new plant installation and helps to gain 65 percent more biogas while requiring only 44 percent of aeration for COD oxidation, compared to a conventional process.

  8. Are Test Strips Still Relevant For Water Analysis?

    Today’s environmental laboratories are audited and accredited companies where quality control (QC) and quality assurance (QA) reign. Advanced technology is needed to measure parameters for regulatory compliance down to parts per billion. In a world of regulatory mandates, can test strips still be used for water analysis?

  9. Safe, Energy Efficient Disinfection For 45 MGD Combined Sewer WWTP Improves Water Quality

    The Hudson River, in the Capital District of Albany, NY, is a popular recreational area for boating, swimming and fishing. Unfortunately combined sewer overflows following storm events and snow melt from sewer systems dating back to the 1800’s were causing increased fecal coliform counts which in turn resulted in health alerts and limited access to the river. After considering several alternatives, the Albany County Sewer District selected a Wedeco Duron 60i2-2.5X4, with high power Ecoray 600W lamps, for their disinfection system.

  10. Sustainable Nutrient Removal With IFAS

    With the AnoxKaldnes Hybas IFAS system, the City of Cocoa Beach, FL, met the challenges of tighter nutrient regulations, site constraints, and operating conditions. And the project met the city’s goals to meet these challenges with a simultaneous decrease in energy use. On top of that, the city did not need to increase operations time or staffing to meet these goals. With the AnoxKaldnes Hybas IFAS system, the city is now meeting stricter nutrient regulations – and doing it sustainably.