Evaluating fugacity models for trace components in landfill gas.

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dc.contributor.author Shafi, Sophie -
dc.contributor.author Sweetman, Andrew -
dc.contributor.author Hough, Rupert L. -
dc.contributor.author Smith, Richard -
dc.contributor.author Rosevear, Alan -
dc.contributor.author Pollard, Simon J. T. -
dc.date.accessioned 2011-09-29T17:49:31Z
dc.date.available 2011-09-29T17:49:31Z
dc.date.issued 2006-12-01T00:00:00Z -
dc.identifier.citation Sophie Shafi, Andrew Sweetman, Rupert L. Hough, Richard Smith, Alan Rosevear and Simon J.T. Pollard, Evaluating fugacity models for trace components in landfill gas, Environmental Pollution, Volume 144, Issue 3, December 2006, Pages 1013-1023. -
dc.identifier.issn 0269-7491 -
dc.identifier.uri http://dx.doi.org/10.1016/j.envpol.2006.01.048 -
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/1201
dc.description.abstract A fugacity approach was evaluated to reconcile loadings of vinyl chloride (chloroethene), benzene, 1,3-butadiene and trichloroethylene in waste with concentrations observed in landfill gas monitoring studies. An evaluative environment derived from fictitious but realistic properties such as volume, composition, and temperature, constructed with data from the Brogborough landfill (UK) test cells was used to test a fugacity approach to generating the source term for use in landfill gas risk assessment models (e.g. GasSim). SOILVE, a dynamic Level II model adapted here for landfills, showed greatest utility for benzene and 1,3-butadiene, modelled under anaerobic conditions over a 10 year simulation. Modelled concentrations of these components (95 300 μg m−3; 43 μg m−3) fell within measured ranges observed in gas from landfills (24 300–180 000 μg m−3; 20–70 μg m−3). This study highlights the need (i) for representative and time-referenced biotransformation data; (ii) to evaluate the partitioning characteristics of organic matter within waste systems and (iii) for a better understanding of the role that gas extraction rate (flux) plays in producing trace component concentrations en_UK
dc.language.iso en_UK -
dc.publisher Elsevier Science B.V., Amsterdam. en_UK
dc.subject Landfill gas en_UK
dc.subject Risk assessment en_UK
dc.subject Fugacity en_UK
dc.subject Emissions modelling en_UK
dc.subject Landfill gases en_UK
dc.title Evaluating fugacity models for trace components in landfill gas. en_UK
dc.type Article -


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