1. Math Solutions: Pump Performance And Efficiency Calculations

    Water Online’s “Math Solutions” series, presented by wastewater consultant and trainer Dan Theobald (“Wastewater Dan”), instructs operators on Pump Performance and Efficiency calculations.

  2. Innovation in Municipal Wastewater Pumping has Already Occurred … It Just Needs to be Recognized

    I have sold pumps and pumping systems into the municipal and other market segments for almost 40 years. I now find myself replacing those old, outdated pumps and controls.

  3. Treating Mine Water For Arsenic And Antimony

    Veris Gold, owner/operator of the Jerritt Canyon Mine near Elko, NV, must dewater the Smith Mine at Jerritt Canyon to access more ore for mining operations.  However, arsenic and antimony concentrations in this pH-neutral groundwater exceed Maximum Contaminant Levels (MCLs). 

  4. Treatment Of Cyanotoxins In Drinking Water With Activated Carbon

    Recently, cyanobacteria and cyanotoxins have become a high profile drinking water quality concern in both the United States and abroad. The combination of weather conditions, agricultural phosphate runoff, and other factors has produced water conditions that have favored the formation of cyanobacteria in surface water supplies.

  5. Oxelia™

    Xylem’s Leopold Oxelia is an ozone-enhanced biologically active filtration system and multi-barrier solution for municipal wastewater treatment. The Leopold Oxelia system combines ozone, filtration and analytical instrumentation to deliver optimal wastewater treatment for water reuse and discharge into sensitive waters.

  6. Oxelia™: Protecting Sensitive Waters From CEC

    Across the globe, vital aquatic ecosystems are impacted by contaminants not adequately treated by conventional wastewater treatment systems. These “emerging contaminants” or “contaminants of emerging concern” (CEC) include many classes of organic chemicals like pharmaceuticals, endocrine disruptors, personal care products, corrosion inhibitors, flame retardants, plastic stabilizers, herbicides and pesticides to name just a few.

  7. Oxelia™: Inactivating Pathogens And Destroying TOC

    Broad classes of trace organic compounds including “contaminants of emerging concern” and regulated “micropollutants” often need to be removed to protect both human health and aquatic species. Some of these trace organic compounds are not readily removed by conventional wastewater treatment systems.

  8. Water Quality Monitoring Brochure

    Like never before, keeping water systems safe and secure is a national priority. it’s also a more complex and difficult job than ever before.

  9. The 'O' And The 'M' In Operation And Maintenance Of Water And Wastewater Treatment Plants

    According to Sullivan in 2010, “Operations and Maintenance are the decisions and actions regarding the control and upkeep of property and equipment.”

  10. How To Wipe Out 'Flushable' Wipes

    More than two years ago, Jefferson Parish, LA, installed Flygt Experior pumps at their worst-performing lift stations — sites that were plagued by clogging, overflows, and daily maintenance requirements. One of the main culprits was nonwoven fabrics, aka "flushable" wipes, which have become a nationwide nuisance for wastewater utilities.

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