Landfill liner

Landfill liner

A landfill liner, or composite landfill liner is intended to be low permeable barrier which is laid down under engineered landfill sites. Until it deteriorates, the liner retards migration of leachate, and its toxic constituents, into underlying aquifers or nearby rivers causing spoiling of the local water.

Modern landfills generally require a layer of compacted clay with a minimum required thickness and a maximum allowable hydraulic conductivity overlaid by a high density polyethylene geomembrane.

The US EPA has stated that the barriers "will ultimately fail," while the site remains a threat for "thousands of years," suggesting that modern landfill designs delay but do not prevent ground and surface water pollution.

Waste tires or chipped tires are used as a supporting component insulating the liner. [Benson, C. H., Olson, M. A. & Bergstrom, W. R. (1996) [http://pubsindex.trb.org/document/view/default.asp?lbid=468017 Temperatures of Insulated Landfill Liner] ,p24-31]

ee also

*Biogas
*Daily cover
*Landfill compaction vehicle
*Landfill mining

References

External links

* [http://www.envirotools.org/remediation/images/Landfilllinerimage.jpgLandfill liner diagram]

* [http://www.envirotechnicalsystems.com Enviro Technical Systems Landill lining]


Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • Landfill mining — and reclamation (LFMR) is a process whereby solid wastes which have previously been landfilled are excavated and processed. [ [http://www.enviroalternatives.com/landfill.html Landfill Mining] Landfill Mining, Preserving Resources through… …   Wikipedia

  • Liner — or LINER may refer to:*Ocean liner, a type of modern day passenger ship *An archaic term for ship of the line, a type of warship used from the 17th century to the 19th century *Low ionization nuclear emission line region (LINER), a class of… …   Wikipedia

  • Landfill — For other uses, see Landfill (disambiguation). Garbage Dump redirects here. For the 1994 rock album, see Garbage Dump. A landfill in Poland A landfill site (also known as tip, dump or rubbish dump and historically as a midden), is a site for the… …   Wikipedia

  • Landfill fire — A landfill fire occurs when waste disposed of in a landfill ignites and spreads. In landfills that do not cover their waste with daily cover, biological decomposition creates substantial heat and can cause material in the landfills to… …   Wikipedia

  • Seismic response of landfill — Solid waste landfills can be affected by seismic activity. The tension in a landfill liner rises significantly during an earthquake, and can lead to stretching or tearing of the material.[1] The top of the landfill may crack, and methane… …   Wikipedia

  • Bioreactor landfill — Bioreactor landfilling is a process in which water and air are circulated into a specially designed landfill, in order to cause accelerated biological decomposition of the waste material. The intention for this type of landfill operation is to… …   Wikipedia

  • North Simcoe Landfill (Site 41) — The electoral riding of Simcoe North in southern Ontario. North Simcoe Landfill (Site 41) was a planned 20.7 hectare (50 acre) landfill site for municipal waste in northern Simcoe County, 40 kilometres northwest of Barrie, Ontario. The site would …   Wikipedia

  • Operating Industries Inc., Landfill — Superfund site Geography City Monterey Park County Los Angeles County State California …   Wikipedia

  • Delta landfill — The Delta landfill is a landfill south of Vancouver B.C. Vancouver has owned and operated the Vancouver Landfill in Delta since 1962. It s now used by Vancouver, Delta, B.C., Richmond, White Rock, the University Endowment Lands and portions of… …   Wikipedia

  • Geosynthetic clay liner — A geosynthetic clay liner (GCL) is a woven fabric like material primarily used for the lining of landfills. It is a kind of geomembrane and geosynthetic which incorporates a bentonite or other clay, which has a very low hydraulic conductivity.… …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”