Wastewater Case Studies and Whitepapers
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WWTF Receives EPA Award For Achieving Low Level Nutrient Limits
6/9/2016
Lee Wastewater Treatment Facility (WWTF), located in Massachusetts, received an award for its excellent treatment performance in 2012 from the Environmental Protection Agency (EPA), 4 years after start-up.
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Using Drop-In Aeration Systems To Address Rising Oxygen Demands
4/5/2021
Keeping pace with changing industrial wastewater treatment demands can raise multiple issues of oxygen demand, capital cost, and operating expense, often without the flexibility of taking basins out of service to upgrade to new levels of performance. Fortunately, there are alternatives for delivering more oxygen to treat more water.
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N-Technology Impeller Pumps Eliminate FOG Buildup At Resort And Casino
3/19/2015
The successful addition of new restaurants and clubs at a resort and casino in Upstate NY brought with them a flow of fats, oil and grease (FOG), which gelled into a floating blanket atop the main station’s wet well, where the sewage flows converge from the network of smaller stations throughout the property boundaries.
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Squeezing Every Last Dollar From Biogas
10/8/2019
A growing number of wastewater treatment plants are banking on biogas from their sludge as a supplemental power source. Unfortunately, biogas is notoriously difficult to quantify. Ultrasonic flow meters specifically designed for biogas applications can provide a solution that addresses many of the issues created by traditional technology.
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Addressing Chronic Flooding In Texas
6/18/2015
The city of El Paso, TX, lies on the tip of the Chihuahuan desert, and it is not uncommon for a year’s worth of rain to occur in a matter of days during the summer.
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UV System Provides Safe, Effective Disinfection For Wastewater Treatment Plant On The Hudson River
7/23/2015
The communities serviced by the Rensselaer County Sewer District, collectively known as the Albany Pool, have combined sewer systems (CSS) that bring stormwater, sewage and industrial wastewater directly to the wastewater treatment facility. When a storm or snow melt results in exceeded capacity, local waterways become contaminated, resulting in a significant environmental challenge, especially in a community where recreational swimming, boating and fishing are popular in warmer months.
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How To Execute A Combined Control Strategy For Dissolved Oxygen
3/30/2019
Maintaining dissolved oxygen levels by pairing smart controls with multiple blowers is emerging as a desirable method to address airflow requirements. Selecting the proper system and avoiding unnecessary complications are critical to successful implementation.
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LowFlow® FlexRake Eliminates Rag Bypass
2/16/2018
The Roaring Fork Water & Sanitation District WWTP receives residential activated sludge at an ultimate site capacity of 1 MGD. Prior to the 2009 installation of the Duperon FlexRake Low Flow, the plant had operated with a manually-raked bar screen.
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Aerobic Digester Reduces Nutrient Return And Improves Energy Efficiency
1/8/2019
Many operators and engineers are turning to performance optimizers and controls automation to enhance treatment processes and reduce operating costs.
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The History Of Water Infrastructure And What We Can Learn From It
9/16/2016
This article is in support of the Imagine a Day Without Water campaign –- a national online movement to raise awareness about the value of water and water infrastructure. See more articles on AMERICAN’s Imagine a Day Without Water home page.