A landfill cell showing a rubberised liner is in place on the left

A landfill liner, or landfill membrane is a impermeable membrane which is layed down under engineered landfill sites. The membrane prevents toxic leachate permeating down into the underlying aquifers or nearby rivers causing spoiling of the local water. Modern landfill operation at Waimanalo Gulch, the municipal sanitary landfill for the City & County of Honolulu; photographed on August 14, 2003 by Eric Guinther. ... Modern landfill operation at Waimanalo Gulch, the municipal sanitary landfill for the City & County of Honolulu; photographed on August 14, 2003 by Eric Guinther. ... It has been suggested that Net flux be merged into this article or section. ... Albury landfill, Surrey, England A landfill, also known as a dump, is a site for the disposal of waste materials by burial and is the oldest form of waste treatment. ... Toxic redirects here, but this is also the name of a song by Britney Spears; see Toxic (song) Look up toxic and toxicity in Wiktionary, the free dictionary. ... Leachate is the liquid produced when water percolates through any permeable material. ... An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials (gravel, sand, silt, or clay) from which groundwater can be usefully extracted using a water well. ...

Modern landfills generally require a minimum of one landfill liner, consisting of a layer of compacted clay with a minimum required thickness and a maximum allowable hydraulic conductivity. Others also require the addition of one or more layers of impermeable membrane, such as high-density polyethylene (HDPE) together with geotextile. The Gay Head cliffs in Marthas Vineyard are made almost entirely of clay. ... written by AmerHydraulic conductivity, mathematically represented as , is a property of soil or rock, in the vadose zone or groundwater, that describes the ease with which water can move through pore spaces or fractures. ... HDPE has SPI resin ID code 2 High-density polyethylene (HDPE) is a polyethylene thermoplastic made from petroleum. ... A geotextile is a synthetic permeable textile. ...

Waste tires or chipped tires are used as a supporting component insulating the liner.^[1] Wikimedia Commons has media related to: Waste Waste inside a wheelie bin Waste, rubbish, trash, garbage, or junk is unwanted or undesired material. ... A tire or tyre (see spelling differences and etymological origins) is a device covering the circumference of a wheel. ...

See also

• Landfill compaction vehicle
• Landfill gas
• Landfill mining

Landfill compactor A landfill compaction vehicle is a vehicle employed on landfill sites. ... Natural gas rig Natural gas (commonly refered to as gas in many countries) is a gaseous fossil fuel consisting primarily of methane. ... Landfill mining and reclamation (LFMR) is a process whereby solid wastes which have previously been landfilled are excavated and processed. ...

External links

• Landfill liner diagram

References

1. ^ Benson, C. H., Olson, M. A. & Bergstrom, W. R. (1996) Temperatures of Insulated Landfill Liner,p24-31