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Leachate recirculation in a landfill: a simple 1-D model

Leachate recirculation in a landfill: a simple 1-D model
Leachate recirculation in a landfill: a simple 1-D model
Leachate is the liquid phase present in the pore spaces of the solid waste material in a landfill. The leachate arises from the liquid content of the waste when it is placed in the landfill, and from rainfall infiltration of water through the upper surface of the landfill.
Leachate may be collected from the waste using wells or drains. It can then either be treated and disposed of, or reintroduced into the waste material through an artificial recharge system. This latter process is known as leachate recirculation; managing the leachate in this way may be used to optimise both gas generation and leachate treatment systems.
In this paper, a simple numerical model of the concept of landfill leachate recirculation is developed and used to gain some insight into the basic mechanics of the process by identifying the underlying relationships between the key parameters involved. The analytical approach used in the model is then validated with reference to real data from the landfill at Beddington, Croydon (UK).
White, J.K.
58e029ac-c8fd-49fc-83b3-6f55f9312434
Beaven, R.P.
5893d749-f03c-4c55-b9c9-e90f00a32b57
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Knox, K.
46921bd6-2e94-40da-8bec-4b172cc12d3f
White, J.K.
58e029ac-c8fd-49fc-83b3-6f55f9312434
Beaven, R.P.
5893d749-f03c-4c55-b9c9-e90f00a32b57
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Knox, K.
46921bd6-2e94-40da-8bec-4b172cc12d3f

White, J.K., Beaven, R.P., Powrie, W. and Knox, K. (2007) Leachate recirculation in a landfill: a simple 1-D model. 2nd International Workshop on the Hydro-Physico-Mechanics of Wastes, United Kingdom. 18 - 19 Apr 2007.

Record type: Conference or Workshop Item (Paper)

Abstract

Leachate is the liquid phase present in the pore spaces of the solid waste material in a landfill. The leachate arises from the liquid content of the waste when it is placed in the landfill, and from rainfall infiltration of water through the upper surface of the landfill.
Leachate may be collected from the waste using wells or drains. It can then either be treated and disposed of, or reintroduced into the waste material through an artificial recharge system. This latter process is known as leachate recirculation; managing the leachate in this way may be used to optimise both gas generation and leachate treatment systems.
In this paper, a simple numerical model of the concept of landfill leachate recirculation is developed and used to gain some insight into the basic mechanics of the process by identifying the underlying relationships between the key parameters involved. The analytical approach used in the model is then validated with reference to real data from the landfill at Beddington, Croydon (UK).

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More information

Published date: April 2007
Venue - Dates: 2nd International Workshop on the Hydro-Physico-Mechanics of Wastes, United Kingdom, 2007-04-18 - 2007-04-19

Identifiers

Local EPrints ID: 53143
URI: http://eprints.soton.ac.uk/id/eprint/53143
PURE UUID: ba0338ab-070c-4570-8dbb-715d5bcfde1d
ORCID for R.P. Beaven: ORCID iD orcid.org/0000-0002-1387-8299
ORCID for W. Powrie: ORCID iD orcid.org/0000-0002-2271-0826

Catalogue record

Date deposited: 25 Jul 2008
Last modified: 14 Mar 2019 01:52

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