Tag Archives: Nitrogen

WER Article Reviews Use of Nitritation-Annamox Process

July 29, 2018

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WER Cover July 2018 Featured

Researchers have reviewed the challenges of using the nitritation-anammox process (NAP) for biological nitrogen removal in wastewater treatment. The open-access article describing their findings appears in the July issue of Water Environment Research (WER). When compared with conventional biological nitrogen removal methods in sidestream settings, NAP has the potential to reduce oxygen requirements for wastewater […]

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Attend WEF’s Nutrient Removal and Recovery Conference in June

April 30, 2018

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Nutrient Removal and Recovery 18 Featured

In June, the Water Environment Federation (WEF; Alexandria, Va.) will hold a conference that covers various nutrient-related topics. The Nutrient Removal and Recovery Conference 2018 features three workshops and 16 technical sessions. Topics covered include optimizing system operation, performance, and energy use; mitigating struvite and vivianite scaling; adopting sustainable practices and planning decisions around sustainability; […]

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WEF and Others Release Collaborative Approach for Reducing Nutrient Pollution in Waterways

November 29, 2017

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During WEFTEC 2017, the Water Environment Federation (WEF; Alexandria, Va.), U.S. Water Alliance (Washington, D.C.), and National Association of Clean Water Agencies (Washington, D.C.) revealed a new, collaborative approach to reduce nutrient pollution in U.S. waterways. Nutrient overload in waterways from excess nitrogen and phosphorus threatens drinking water quality, economic health, and recreation. The paper, […]

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Medini Annavajhala To Showcase the Wastewater Treatment Potential of Commamox at WEFTEC 2017

September 15, 2017

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Medini Annavajhala Featured

During WEFTEC 2017 Session No. 501, Commamox: New Kid on the Block, or Not?, attendees will learn about Commamox (CMX) bacteria, which have the ability to convert ammonia to nitrate within a single organism. Presentations during the session provide an overview of CMX and research into incorporating it into the engineered nitrogen cycle at water […]

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$10 Million George Barley Water Prize Competition Names Stage 1 Winners

July 14, 2017

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At a ceremony held March 22 by the Everglades Foundation (Palmetto Bay, Fla.), Prashanth Kumar of overall Stage 1 winning team WETSUS NaFRAd (third from left) accepts $25,000 in prize money alongside (from left) Mary Barley, wife of late conservationist George Barley; Nathalie Olijslager-Jaarsma, consul-general of the Netherlands; and Everglades Foundation CEO Eric Eikenberg. Photo courtesy of Jenny Abreu Photography.

Stage 1 of the Everglades Foundation’s (Palmetto Bay, Fla.) George Barley Water Prize competition is complete. Three teams continue on their journey toward one earning a $10-million prize, which will be awarded to the creator of a lasting, scalable, and cheap solution to reducing high phosphorus content in waterways. From July 2016 through January 2017, […]

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Biosolids, Nutrients, Coliform, and Disinfection Covered in March WEF Webcasts

February 17, 2017

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Emerging Contaminants in Biosolids As more details become known about contaminants of emerging concern, questions arise about the nutrient profile of biosolids. Experts who have studied these contaminants in the environment will explain research and provide advice for members of the biosolids community on how to address questions related to this topic. March 1, 1–3 […]

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UC Davis Researchers Streamline Fertilizer Production

November 11, 2016

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While Sudwerk Brewery (Davis, Calif.) also features classic indoor restrooms, patrons who choose to use the Pee Hive receive a $1 discount on their purchases in addition to the knowledge that they are contributing to science. Photo courtesy of George Tchobanoglous, University of California, Davis.

University of California, Davis (UCD) researchers are thinking outside of the box, using urine collected in the community to develop a more environmentally friendly fertilizer. Harold Leverenz, lecturer and project scientist for the civil and environmental engineering program at UCD, works with his research team to create all-natural, locally sourced fertilizers. His unique process, which […]

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Sheep ‘Mow’ Grass Irrigated by Treated Wastewater in Oregon

September 19, 2016

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Biocycle Sheep Featured 2

Biocycle Farm, a large farm in Eugene, Ore. sustained entirely by recycled water, doesn’t rely solely on herbicides or machines to maintain the 88,000 poplar trees planted on the property. The Metropolitan Wastewater Management Commission (MWMC; Lane County, Ore.), which manages the land, saves almost $3500 in labor and fuel costs each year by employing […]

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