WEFTEC Innovation
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Coming Clean With The Environment
8/18/2013
With population and energy costs rising, Long Island wastewater treatment plants figured out a cost-effective way to control pollution and conserve resources. By Jon Richens, senior process engineer, WesTech Engineering
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Seeing Through The FOG (Fats, Oils, And Grease)
8/17/2013
A review of different methods and devices for FOG removal, with emphasis on cost control, lowered power profiles, and efficacy. By Douglas D. Sunday, water and wastewater Class A operator and Dr. J.H. Wakefield, consulting analytic chemist and environmental/materials engineer
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WEFTEC: 10 Technologies That Could Change The Industry
10/22/2012
So many products, so little time. That’s the impression I came away with after canvassing WEFTEC for three days in New Orleans earlier this month. There were nearly 1,000 exhibitors on hand, enough to make anyone’s head spin. It’s a good kind of dizzy, however, when you are overwhelmed by new technology and smart ideas at every turn. From the many technologies I surveyed, here are the 10 most noteworthy.
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New Insights Into Waste Lagoon Water Mixing
8/31/2012
All waste lagoons were first designed and thoughtfully planned considering their locations, soil makeup, and waste reduction processes prior to being implemented.
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Just Add SCADA
8/31/2012
Internet-hosted SCADA systems are a modern answer to modern municipal water and wastewater concerns. By Thelma Akwei and Ben Manlongat
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Microbiology: The Key To Wastewater Treatment
8/31/2012
The biological treatment of wastewater relies mainly on a consortium of heterotrophic and autotrophic bacteria. Collection system bioaugmentation aims to introduce high concentrations of specific soil bacteria into the outer reaches of the sewer system and amplify the beneficial effects of soil bacteria in the collection system. By Bulbul Ahmed, Andrew Newbold, and Rich Schici
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An Evaluation Of Low-Energy Treatment Schemes For Water Reuse
8/31/2012
The production of reclaimed water from municipal wastewater is now standard practice and almost universally accomplished using primary treatment (discretionary), secondary treatment with activated sludge, filtration, and disinfection with chlorine, sodium hypochlorite, or ultraviolet light (UV) disinfection. By Erin Mackey and Andrew Salveson
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Trace Organic Compounds: What Goes In Must Come Out
8/31/2012
Chemically enhanced high rate settling (CEHRS) shows promise in removing harmful compounds such as pharmaceuticals and consumer products from wastewater. By Daniel M. Austria
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Corrosion In Wastewater Systems: More Than One Bug
8/31/2012
The role of various bacteria in the destruction of concrete in wastewater systems has been recognized since 1945. Already susceptible to old age, wastewater infrastructure systems are also threatened by corrosive bacteria — but they needn't be. By Heather Ramsey, John Davis, and Gary Hall
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Wastewater 2.0: The Age Of Innovation
8/30/2012
Thanks to some forward-thinking pioneers and early adopters committed to innovation, the wastewater industry is on the precipice of radical change.