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http://dx.doi.org/10.17137/Korrae.2011.19.3.3

Effect of Landfill Site Characteristics on Siloxane Production in Landfill Gas  

Nam, Sangchul (Department of Environmental Engineering, Anyang University)
Kang, Jeong-Hee (Department of Environmental Engineering, Anyang University)
Hur, Kwang-Beom (Korea Electric Power Corporation(KEPCO))
Lee, Nam-Hoon (Department of Environmental Engineering, Anyang University)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.19, no.3, 2011 , pp. 44-53 More about this Journal
Abstract
Siloxane, organo-silicon compound, is used in the various forms of products such as cosmetics and detergents due to its quality physical chemistry attributes. Siloxane included in landfill gas which is caused in the process of decomposing of such products after landfill has imposed negative impacts on the operation of landfill gas utility facilities. The objective of this study was to investigate the siloxane production characteristics depending on the features of various landfill site in Korea so that the analysis was made on the landfilling age and landfill waste by in terms of its concentration, structure and composition. As for the concentration of siloxane depending on time passage, 12 landfill sites were reviewed by landfilling age. As for production attributes change of siloxane by landfill wastes, the source of wastes, physical production ration and siloxane concentration were compared in 6 landfills. The average concentration of total-siloxane within LFG is $6.75mg/m^3$ and cyclic-siloxane out of it occupies over 93%. By element, D4 and D5 in order take the highest proportion regardless of total-siloxane concentration and landfilling age. Even though this study is not able to verify the different impact of each kind of wastes on the generation of siloxane, it is confirmed that total-siloxane and cyclic-siloxane decrease in line with the increase of landfilling age as it does in the first order decay model for landfill gas.
Keywords
Landfill gas; Siloxane; Landfilling age; Waste composition; First order decay model;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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