CCR-Oriented GSE CoalDrain Geocomposite Earns Patent

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The expansion of coal combustion residuals handling and storage work in the United States, in the wake of new regulations, has led to a strong growth in engineered materials and services developed for CCR work. GSE Environmental developed the GSE CoalDrain, a highly engineered geocomposite designed specifically for coal combustion residuals. The US Patent Office has awarded the company its officia... »

Bridge Approach Embankment with MSE Walls and Pulverized Fuel Ash

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By Chaido (Yuli) Doulala-Rigby and Martin Black – For a new major road construction (the Tinsley Link) in the North of England, a bridge approach embankment needed to be designed and constructed. A 500m-long mechanically stabilized earth (MSE) wall on piled foundations was proposed, one that would utilize geogrid reinforcement and enable the beneficial use of pulverized fuel ash (PFA). The P... »

Coal Ash Rules and Engineering Webinar, November 15

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CETCO is supporting a free, November 15 webinar on US Federal Coal Ash Rules — Engineering and Design Considerations. The discussion will be led by Dr. John Daniels (Univ. of North Carolina – Charlotte), John Allen, P.E. (CETCO), and Bob Trauger, P.E. (consultant). Topics to be covered include: EPA CCR Rule Overview Ongoing rule litigation and State implementation plans Understanding the Rule’s de... »

GSE to Expand Geonet and Geocomposite Manufacturing Capacity

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The Kingstree, South Carolina manufacturing facility of GSE Environmental is about to get even busier. The company announced on August 22 that it is adding a new geonent and geocomposite manufacturing line to the site. The move, which will support production of GSE’s full suite of biplanar and triplanar products, is in response to surging market demand for engineered drainage solutions. The South ... »

Polymer-Enhanced GCL for Wet Process Ash Impoundment

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By GSE Environmental – An innovative geosynthetic clay liner (GCL) was used for the containment of wet process ash at a 3,520 MW facility in the Southeastern United States. The wet process ash project involved roughly 1,000,000 ft.2 of GSE Bentoliner CAR (Coal Ash Resistant) GCL. The facility owner wanted an impoundment design that would conform to any potential rulings from the US Environmental P... »

PODCAST: Coal Combustion Residuals and GCLs

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Geosynthetica’s Director, Elizabeth Peggs, interviewed Dr. Craig Benson (University of Virginia) and engineer John Allen (CETCO) about coal combustion residuals (CCRs) and new barrier system regulations governing CCR handling and storage. Both Benson and Allen will be at the Coal Ash Management Forum on July 21 and 22 in Charlotte, North Carolina. Benson is a speaker at the event. In their discuss... »

Additional Details on Coal Ash Management Forum

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During the past week, Geosynthetica has interviewed waste management operators, utilities, design engineering firms, geosynthetics manufacturers, and fabricators and installers about coal combustion residuals (CCRs). The interviews are part of a series of stories we will publish on the sector and participants in the Coal Ash Management Forum, which takes place July 21 and 22 in Charlotte, North Ca... »

Coal Ash Management Forum Program

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The Environmental Research & Education Foundation (EREF) and the National Waste & Recycling Association (NWRA) are holding the Coal Ash Management Forum July 21 and 22 in Charlotte, North Carolina. The event features a 1.5-day technical program that will take participants through a comprehensive range of topics: Perspectives on CCR Management Current Research on Coal Combustion Residuals G... »

New Coal Ash Rules: Bigger Business for Facility Closure

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By Lee Buchsbaum – The sweeping new federal rules on handling and storage of coal ash may lead to the single largest increase in the geosynthetics market in 20 years. The US Environmental Protection Agency conducted a long study on the health risks and technical strengths of nearly 700 coal ash facilities at power plants nationwide. The resulting rule change, which takes effect in May 2015, ... »