Biological Nutrient Removal (BNR) Articles

WASTEWATER By Rick Lallish In a biological nutrient removal process, what is the condition where bacteria incorporate more phosphorus than needed for growth? ...

When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to properly...

The EquaReact system from Parkson Corp. incorporates hydraulic flow equalization and first-stage biological treatment, concurrently in the same tank, to enhance nutrient...

The Closed Loop Reactor process, a modified form of the extended aeration complete mix process from Lakeside Equipment Corporation, provides biological nutrient...

Research performed at a wastewater treatment facility in Calgary, Canada, might one day help develop better processes for removing contaminants, save billions...

Editor's Note: This article is part of a profile on the Oconto Wastewater Treatment Plant. Watch for a special feature in the...

EDITOR’S NOTE: Since this article was written, Clinton’s water quality superintendent Dan Riney has retired from that community and has taken a...

Dawn McCoy likes to leave things better than when she found them. That attitude has served her well during her 18-year career...

Dawn McCoy likes to leave things better than when she found them. That attitude has served her well during her 18-year career...

In 2004, plagued by filamentous growth that threatened performance, the operators of the Commerce Township (Mich.) Wastewater Treatment Plant devised a makeshift...

Ferrate reactor The Ferrator from Ferrate Treatment Technologies is an onsite ferrate reactor for water and wastewater cleanup. Ferrate can be ...

Noncontact blower The High-Speed Turbo Blower from APG-Neuros operates an oil-free noncontact air bearing system, making aeration more energy efficient and reducing operating...

George Calloway and Joe Derbyshire came from different backgrounds: Calloway from a machine shop business he owned and operated, and Derbyshire from...

Energy efficiency has become a big issue in wastewater treatment. There are two basic ways to deal with energy in a treatment...