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Title: The decomposition of wood products in landfills in Sydney, Australia
Contributor(s): Ximenes, Fabiano A (author); Gardner, W David (author); Cowie, Annette  (author)
Publication Date: 2008
DOI: 10.1016/j.wasman.2007.11.006
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Abstract: Three landfill sites that had been closed for 19, 29 and 46 years and had been operated under different management systems were excavated in Sydney. The mean moisture content of the wood samples ranged from 41.6% to 66.8%. The wood products recovered were identified to species, and their carbon, cellulose, hemicellulose and lignin concentration were determined and compared to those of matched samples of the same species. No significant loss of dry mass was measured in wood products buried for 19 and 29 years, but where refuse had been buried for 46 years, the measured loss of carbon (as a percentage of dry biomass) was 8.7% for hardwoods and 9.1% for softwoods, equating to 18% and 17% of their original carbon content, respectively. The results indicate that published decomposition factors based on laboratory research significantly overestimate the decomposition of wood products in landfill.
Publication Type: Journal Article
Source of Publication: Waste Management, 28(11), p. 2344-2354
Publisher: Pergamon
Place of Publication: United Kingdom
ISSN: 1879-2456
Field of Research (FOR): 070502 Forestry Biomass and Bioproducts
050204 Environmental Impact Assessment
Socio-Economic Outcome Codes: 820199 Forestry not elsewhere classified
960302 Climate Change Mitigation Strategies
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
School of Environmental and Rural Science

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