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Please use this identifier to cite or link to this item: http://dspace.lib.cranfield.ac.uk/handle/1826/2569

Document Type: Article
Title: Assessment of municipal waste compost as a daily cover material for odour control at landfill sites.
Authors: Hurst, C.
Longhurst, Philip J.
Pollard, Simon J. T.
Smith, Richard
Jefferson, Bruce
Gronow, Jan R.
Issue Date: 2005
Citation: Claire Hurst, Philip Longhurst, Simon Pollard, Richard Smith, Bruce Jefferson, Jan Gronow, Assessment of municipal waste compost as a daily cover material for odour control at landfill sites, Environmental Pollution, Volume 135, Issue 1, May 2005, Pages 171-177.
Abstract: The ability of municipal waste compost as a daily cover material to reduce the odorous emissions associated with landfill surfaces was investigated. Trials were carried out using landfill gas, a certified sulphurous gas mix and ambient air as a control. Odorous gas was passed through portable test column filled with compost at different densities (590 kg/m3 and 740 kg/m3). Gas samples were taken from the inlet, outlet and at varying column depths and examined using a combination of sensory analysis (olfactometry) and a novel analytical method (Transportable Selected Ion Flow Tube – TSIFT). Results for the trials using landfill gas showed a 69% odour reduction (OU/m3) through the column for compost with a bulk density of 590 kg/m3, and a reduction of 97% using compost with a bulk density of 740 kg/m3. TSIFT analysis showed an overall decrease in the concentration of terpenes, and sulphurous compounds in the outlet gas from the column for both bulk densities. No significant trend could be identified for the concentrations at different depths within the column. Results show the ability of compost to reduce landfill odours under differing conditions. The inconclusive data provided by TSIFT analysis may be due to the analysis of compounds that are not contributing to odour, and thus highlights the potential for synergetic effects and the importance of sensory measurement when examining odorous emission
URI: http://dx.doi.org/10.1016/j.envpol.2004.09.004
Appears in Collections:Staff publications - School of Applied Sciences

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