What does ‘weathering of geomembranes’ mean?
November 7th, 2024
By Felon Wilson The term “weathering” on first glance appears to be straightforward. Most in the geomembrane industry consider it to narrowly describe sunlight or UV resistance only. In fact, testing and property specifications are often only from a sunlight exposure standpoint. But the effects of changing temperatures, precipitation, wind, etc. can be factors of […]
Efficient reclaimed water storage using geomembranes – Part 1
September 12th, 2024
By Felon Wilson Some say as much as 50% of the nation’s potable water is used for non-potable applications such as irrigation. A long discussed and growing trend is water reuse, simply defined as a beneficial use of reclaimed water. One state defines reclaimed water as “domestic or municipal wastewater that has been treated to […]
Two examples of geomembranes as innovative construction materials
August 9th, 2024
By Felon Wilson For several years, the U.S. Congress has considered legislation encouraging the use of innovative construction materials. A specific bill termed “Innovative Materials in American Growth and Infrastructure Newly Expanded” or called “IMAGINE,” was first introduced in 2018. It was again introduced in 2021 as a result of the increased infrastructure expenditures anticipated […]
How geomembranes are used in disinfection processes and how to select the right one-Part 2
June 19th, 2024
By Felon Wilson How are geomembranes used in disinfection processes? Broadly stated, a geomembrane is considered in use during the disinfection process and whenever the geomembrane is in contact with residuals of the disinfection process. Here are the principal geomembrane applications in potable water (PW) and wastewater (WW) disinfection. XR-3 PW-lined finished water storage tank […]
Top 5 essential considerations for selecting the right geomembrane for your disinfection system – Part 1
May 29th, 2024
Geomembranes play a significant role in the water and wastewater industry. That industry is broad and large, and important to public health and the environment. This post will provide an overview of water/wastewater disinfection processes, and top considerations in geomembrane selection in those applications. XR-3 PW geomembrane baffle curtains for finished water storage tank at […]
XR-3 geomembrane helps supply fresh water to residents of Baltimore
April 1st, 2024
XR-3 geomembrane installation at completion. Photograph courtesy of Seaman Corporation. Druid Hill Park was inaugurated in 1860 and is listed on the National Register of Historic Places, totaling 745 acres (300 ha) in size. Druid Lake was constructed (1863–1871) to provide a 1-billion-gallon (440 million m3) capacity, 55-acre (22 ha) freshwater reservoir supplying the city […]
Essential evaluations for when your geomembrane system encounters unexpected containments – Part 2
March 13th, 2024
By Felon Wilson The first part of this series identified ways a geomembrane lining system may encounter unexpected contaminants. This second part will focus on methods to handle changes in chemical makeup of contained liquids and ways to build safety factors by the selection of the geomembrane itself. Chemical compatibility testing is the best way to establish […]
Geomembranes revolutionizing U.S. water industry: Tackling 2023 survey concerns
February 5th, 2024
By Felon Wilson XR-5 Geomembrane-lined, sunlight exposed sanitary sewer overflow impoundment in Alabama. Photo courtesy of Seaman Corporation. By coincidence, two independent surveys were recently released which identified key issues in the U.S. water industry. The reports are listed in Table 1. Table 1 While both reports address respondents’ perceptions of current and anticipated market […]
Premier Product Showcase 2024
February 1st, 2024
Here is your first look at some of the new products and services that will be available from companies in 2024. Information for this special section was provided by companies who submitted materials to us before the publication deadline. All photographs are courtesy of the company listing the product/service. Geotechnical Frontiers is coming back in […]
Geomembranes as an effective environmental compliance solution in rail yards
January 11th, 2024
On the evening of February 3, 2023, a train derailed in East Palestine, Ohio. The tanker cars, carrying several types of chemicals, ruptured and caught fire. The aftermath unfolded in the news for days, weeks, and months. The event impacted the population of the small community most directly, but also created an environmental investigation for […]