Investigations into the landfill behaviour of pretreated wastes
Investigations into the landfill behaviour of pretreated wastes
Mechanical-biological treatment of municipal solid waste has become popular throughout the UK and other parts of Europe to enable compliance with the Landfill Directive. Pre-treatment will have a major influence on the degradation and settlement characteristics of the waste in landfills owing to the changes in the composition and properties of the wastes. This paper presents and compares the results of long term landfill behaviour of the UK and German MBT wastes pretreated to different standards. The gas generating potential, leachate quality and settlement characteristics are highlighted. The results reveal that it is possible to achieve stabilisation of MBT waste within a year and the biogas yield and leachate strength of German MBT waste was significantly reduced compared with the UK MBT waste. The settlement resulting from mechanical creep is more significant than the biodegradation induced settlement in both cases.
mbt waste, biodegradation, leachate, landfill, settlement
1420-1426
Siddiqui, A.A.
b26d45e6-7d79-4d7e-ad5b-83843a479070
Richards, D.J.
a58ea81e-443d-4dab-8d97-55d76a43d57e
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
July 2012
Siddiqui, A.A.
b26d45e6-7d79-4d7e-ad5b-83843a479070
Richards, D.J.
a58ea81e-443d-4dab-8d97-55d76a43d57e
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Abstract
Mechanical-biological treatment of municipal solid waste has become popular throughout the UK and other parts of Europe to enable compliance with the Landfill Directive. Pre-treatment will have a major influence on the degradation and settlement characteristics of the waste in landfills owing to the changes in the composition and properties of the wastes. This paper presents and compares the results of long term landfill behaviour of the UK and German MBT wastes pretreated to different standards. The gas generating potential, leachate quality and settlement characteristics are highlighted. The results reveal that it is possible to achieve stabilisation of MBT waste within a year and the biogas yield and leachate strength of German MBT waste was significantly reduced compared with the UK MBT waste. The settlement resulting from mechanical creep is more significant than the biodegradation induced settlement in both cases.
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e-pub ahead of print date: 16 April 2012
Published date: July 2012
Keywords:
mbt waste, biodegradation, leachate, landfill, settlement
Organisations:
Infrastructure Group
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Local EPrints ID: 340851
URI: http://eprints.soton.ac.uk/id/eprint/340851
ISSN: 0956-053X
PURE UUID: 8fb062d9-4ae0-45d8-89bf-04317f6ed8a7
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Date deposited: 04 Jul 2012 11:49
Last modified: 15 Mar 2024 02:47
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Author:
A.A. Siddiqui
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