Evaluation of geotextile filter in a collection system at fresh kills landfill

Brian W. Corcoran, Shobha K Bhatia

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The New York City Department of Sanitation has retained consultants to design a leachate collection system for the Fresh Kills Landfill in New York City. Fresh Kills Landfill is regarded as the world's largest landfill. Because of an Order on Consent the landfill is required to have a leachate collection system by 1996. Design of the collection system includes a trench backfilled with granular material wrapped in a geotextile filter. The geotextile filter will be a critical component of the collection system and will be designed to meet soil retention and permeability requirements for the system. An existing leachate collection trench with a non-woven geotextile filter was constructed at the landfill in 1988. This collection trench and geotextile filter were exhumed, sampled and analyzed in 1993 to determine the effectiveness of the geotextile filter. Information gained from this study was utilized for the design of future leachate collection systems. Results of this study will be the subject of this paper. This study was unique in the sense that a geotextile filter was used for the first time in the collection trench at the Fresh Kills Landfill. In addition an evaluation of its performance had not been investigated before. The geotextile filter was analyzed to determine the impacts of burial and filtration of leachate in a landfill environment on the hydraulic and mechanical properties of the material. Also, the potential for biological growth on the geotextile filter was investigated. Results of this study identified minor clogging of the geotextile filter due to soil particle retention within the pores of the non-woven material. A slight reduction in permittivity was observed due to particulate clogging.

Original languageEnglish (US)
Pages (from-to)182-195
Number of pages14
JournalUnknown Journal
Volume1281
StatePublished - 1996

Fingerprint

geotechnical fabrics
landfills
Geotextiles
Land fill
filters
evaluation
plugging
soils
sanitation
Soils
Sanitation
Granular materials
granular materials
hydraulics
particulates
permeability
Permittivity

Keywords

  • Collection system
  • Filter
  • Fresh Kills Landfill
  • Geotextile
  • Landfill
  • Leachate
  • Trench

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Evaluation of geotextile filter in a collection system at fresh kills landfill. / Corcoran, Brian W.; Bhatia, Shobha K.

In: Unknown Journal, Vol. 1281, 1996, p. 182-195.

Research output: Contribution to journalArticle

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