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clay liner Applications

  • Protection and Filtration for Industry and waste areas

    Geotextiles enhance both drainage and lining systems in environmental applications. In the large industry of waste containment, geotextiles are used to protect and cushion landfill liners and landfill capping systems, and they are used as critical components of geocomposites such as geocomposite drains and geosynthetic clay liners. Heavyweight, needle-punched nonwovens are use as cushion/protection for landfill and pond liners to keep adjacent stones in overlying or underlying drainage layers from puncturing the impermeable liner.

    By Mattex Geosynthetics based in Dubai, UNITED ARAB EMIRATES.

  • Landfill lining

    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.

    By CETCO based in Hoffman Estates, ILLINOIS (USA).

  • Geosynthetic Lining for Mining Industry

    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.

    By CETCO based in Hoffman Estates, ILLINOIS (USA).

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