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  2. Spent fuel pool - Wikipedia

    en.wikipedia.org/wiki/Spent_fuel_pool

    Worker examines a pond for storing spent fuel rods at the Leningrad nuclear power plant in Sosnovy Bor. The maximum temperature of the spent fuel bundles decreases significantly between two and four years, and less from four to six years. The fuel pool water is continuously cooled to remove the heat produced by the spent fuel assemblies.

  3. Pond liner - Wikipedia

    en.wikipedia.org/wiki/Pond_liner

    Pond liners need to be protected from sharp objects (for example, stones) below the liner and from being punctured by any objects in the water body. Protection can be provided with layers of sand, geotextiles (particularly needle-punched nonwovens) and other materials. Pond liners are manufactured in rolls or accordion-folded on pallets.

  4. Center-pivot irrigation - Wikipedia

    en.wikipedia.org/wiki/Center-pivot_irrigation

    A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.

  5. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    Circulators are commonly used to mix a pond or lake and thus reduce thermal stratification. Once circulated water reaches the surface, the air-water interface facilitates the transfer of oxygen to the lake water. Natural resource and environmental managers have long been challenged by problems caused by thermal stratification of lakes.

  6. Geosynthetic clay liner - Wikipedia

    en.wikipedia.org/wiki/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 landfills must be collected and ...

  7. Evaporation pond - Wikipedia

    en.wikipedia.org/wiki/Evaporation_pond

    An evaporation pond has shallow depths and, to prevent contamination of the environment from its content, a range of pond liners are used, categorized as geomembrane, constructed bentonite clay, or natural clay. [7] Each pond liner is prone to leakage and requires regular maintenance.