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  2. Bentonite - Wikipedia

    en.wikipedia.org/wiki/Bentonite

    Bentonite layers from an ancient deposit of weathered volcanic ash tuff in Wyoming Gray shale and bentonites (Benton Shale; Colorado Springs, Colorado). Bentonite (/ ˈ b ɛ n t ə n aɪ t / BEN-tə-nyte) [1] [2] is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.

  3. Geosynthetic clay liner - Wikipedia

    en.wikipedia.org/wiki/Geosynthetic_clay_liner

    Geosynthetic clay liner. Geosynthetic clay liners (GCLs) are factory manufactured hydraulic barriers consisting of a layer of bentonite or other very low-permeability material supported by geotextiles and/or geomembranes, mechanically held together by needling, stitching, or chemical adhesives. Due to environmental laws, any seepage from ...

  4. Leachate - Wikipedia

    en.wikipedia.org/wiki/Leachate

    Leachate. A leachate is any liquid that, in the course of passing through matter, extracts soluble or suspended solids, or any other component of the material through which it has passed. Leachate is a widely used term in the environmental sciences where it has the specific meaning of a liquid that has dissolved or entrained environmentally ...

  5. Settling basin - Wikipedia

    en.wikipedia.org/wiki/Settling_basin

    A settling basin, settling pond or decant pond is an earthen or concrete structure using sedimentation to remove settleable matter and turbidity from wastewater. The basins are used to control water pollution in diverse industries such as agriculture, [1] aquaculture, [2] and mining. [3][4] Turbidity is an optical property of water caused by ...

  6. Evaporation pond - Wikipedia

    en.wikipedia.org/wiki/Evaporation_pond

    A shallow pond covering greater surface area will result in faster rates of evaporation. [2] Evaporation pond liners that range in quality and cost are used to prevent contamination. Evaporation pond liners are categorized as geomembrane, constructed bentonite clay, or natural clay. [7] Each pond liner is prone to leakage and requires regular ...

  7. Waterstop - Wikipedia

    en.wikipedia.org/wiki/Waterstop

    Metal waterstops are delivered in coils of up to 50 m with a typical dimension of 1.0 to 1.5 mm thickness and width of 250 to 300 mm. Splices can be welded, overlapped or joined with a sealant. A subcategory of metal waterstops is coated with polymeric and/or hydrophilic materials in order to provide a higher bond to the concrete and form a ...

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