Geomembranes Applications

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  • Category: Soil & Groundwater ×

  • Subcategory: Geomembranes ×

Geosynthetic Lining for Secondary Containment

by CETCO     based in Hoffman Estates, ILLINOIS (USA)

GCLs can be used around and underneath secondary containment above ground petroleum storage tanks. of above ground storage tanks and are easy to install. Installation details and penetrations are easily handled using simple installation techniques and can be quite cost effective.

Geosynthetic Lining for Mining Industry

by CETCO     based in Hoffman Estates, ILLINOIS (USA)

Geosynthetics are used in construction of various components of modern mining facilities, including process solution ponds, heap leach pads, stormwater containment, wastewater treatment ponds and closures. Harsh environmental conditions provide a challenge to engineers designing the projects. In addition, increasing environmental and cost pressures are requiring lining systems to achieve greater performance levels than ever. GCLs are rapidly becoming a desired component of mining liner systems because of the benefits they provide in cost effective construction, environmental compliance and process solution leak reduction. In weather-sensitive remote or high-altitude locations, GCLs offer far greater installation efficiencies than compacted clay.

Geosynthetic Lining for Highway and Civil Applications

by CETCO     based in Hoffman Estates, ILLINOIS (USA)

GCL can be used in highway and civil applications such as at airport de-icing facilities used to remove ice build up on the surfaces of planes. During the application process, glycol-based de-icing fluids can leak into local stormwater runoff, potentially causing pollution. CETCO GCLs were found compatible with de-icing fluid (glycol diluted 50/50 with water). GCLs can also be used to line roadway drainage swales for containment and prevent excessive percolation, thereby minimizing potential for groundwater contamination. Another example of using GCL in civil and highway applications is using the liner to contain acid rock and prevent runoff from entering the local water supply.

Landfill lining

by CETCO     based in Hoffman Estates, ILLINOIS (USA)

GCLs have become the gold standard clay component of composite lining systems used in industrial, hazardous and municipal solid waste landfills. Used alone or in combination with a geomembrane in a composite cover system, GCLs provide significantly lower permeability, improved ease of installation, an increased amount of usable space. In many cases GCLs are more cost-effective than traditional compacted clay liners. GCLs are also not subject to deterioration from differential settlement and freeze-thaw cycles, which can damage traditional compacted clay liners. Important design considerations for GCLs in landfill caps include confining pressure, and potential for ion exchange and desiccation.

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