Maximizing landfill airspace with geosynthetics

February 10th, 2022

Watershed Geo ClosureTurf final cover system plays a big role in maximizing landfill airspace at two landfills on the East Coast. Illustration courtesy Watershed Geo For landfill owners and operators, maximizing landfill airspace is a critical component in contributing to the bottom line of their business. The Watershed Geo ClosureTurf final cover system eliminates the […]

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Alternative stress cracking surfactants identified for HDPE geomembrane testing

February 9th, 2022

The Australian geosynthetics testing company ExcelPlas discusses the search for alternative stress cracking surfactants to the pollutant Igepal CO-630. Photograph courtesy Solmax Geosynthetics testing company ExcelPlas in Highett, Victoria, Australia, has identified two alternative stress cracking surfactants for high-density polyethylene (HDPE) geomembranes. Igepal™ CO-630, the non-ionic surfactant used in high-density polyethylene (HDPE) stress cracking bath, […]

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Electrical leak detection at depth

February 1st, 2022

Q: I am taking the opportunity to ask a question about the electrical leak detection (ELD) test for geomembranes:  We have the area covered with silt from the past rainy season, and it is estimated to be about 5 feet (1.5 m) deep worst-case scenario. The liners in this area were not properly inspected and […]

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GSI to host webinar on geosynthetics in heap leach mining

January 27th, 2022

Photograph courtesy of NAUE GmbH & Co. KG The Geosynthetic Institute (GSI) will sponsor a webinar, “Geosynthetic Applications Used in Heap Leach Mining,” on Feb. 9, 2022, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. The […]

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Part 3: Five pieces of data that will give higher assurances of chemical compatibility when selecting a geomembrane

January 26th, 2022

By Felon Wilson, Industrial Fabrics Business Director, Seaman Corp. Figure 1 XR-5 Geomembrane Process Wastewater Impoundment, Qatar. Photograph courtesy of Arabian Environmental Editor’s note: This is part 3 of the 3-part series, “Understanding and Assuring Proper Geomembrane Chemical Resistance.” Part 1 was published on Jan. 12, 2022, and Part 2 was published on Jan. 19. […]

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Part 2: Top ways to overcome difficulties interpreting geomembrane chemical resistance data

January 19th, 2022

By Felon Wilson, Industrial Fabrics Business Director, Seaman Corp. Oily water/solvents runoff impoundment in Kentucky. Photograph courtesy of Seaman Corp. Editor’s note: This is part 2 of the 3-part series, “Understanding and Assuring Proper Geomembrane Chemical Resistance.” Part 1 was published on Jan. 12, 2022, and part 3 will be published on Jan. 26. It […]

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Part 1: Top reasons chemical resistance is a very important geomembrane property

January 12th, 2022

By Felon Wilson, Industrial Fabrics Business Director, Seaman Corp. XR-5 Geomembrane lined Metals Processing Wastewater Impoundment, North Carolina. Photograph courtesy of Seaman Corp. Editor’s note: This is part 1 of the 3-part series, “Understanding and Assuring Proper Geomembrane Chemical Resistance.” Part 2 will be published on Jan. 19, 2022, and part 3 will be published […]

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Fabricated Geomembrane Institute to stage webinar on textured geomembrane/nonwoven geotextile interfaces

January 3rd, 2022

Photograph courtesy of Layfield Group Ltd. The Fabricated Geomembrane Institute (FGI) will present a webinar, “Behavior of Textured Geomembrane–Nonwoven Geotextile Interfaces,” on Jan. 13, 2022, beginning at noon CST. The webinar is free for industry professionals and students, and 1 professional development hour (PDH) is available. The webinar will provide insight into the post-peak strength […]

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Fabricated Geomembrane Institute issues guideline for desert installation of fabricated geomembrane panels

December 28th, 2021

Fabricated geomembranes at a lithium mine in Chile. Photograph courtesy of the Fabricated Geomembrane Institute The Fabricated Geomembrane Institute (FGI) has issued this guideline to provide recommendations for installation and maintenance of fabricated geomembrane panels in desert environments, such as desert mining applications in North and South America. Guidelines for deploying geomembranes in elevated temperature […]

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GSI to host webinar on geosynthetics in hydraulic applications

December 23rd, 2021

A 30-mil (0.8-mm) polyvinyl chloride (PVC) geomembrane with a 10-ounces-per-square-yard (339-g/m2) nonwoven geotextile cushion is installed for a stormwater/erosion control project in Harrisburg, Pa. Photograph courtesy of ACF Environmental The Geosynthetic Institute (GSI) will sponsor a webinar, “Geomembranes in Hydraulic Applications (dams, canals, reservoirs, tunnels, pipes),” on Jan. 12, 2022, from 11:30 a.m. to 1 […]

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