期刊
BIOMASS & BIOENERGY
卷 35, 期 2, 页码 969-981出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biombioe.2010.11.022
关键词
LCA; Biofuel; Remediation; Contaminated soil
资金
- Swedish Geotechnical Institute (SGI)
- Department for Environment Food and Rural Affairs and the Environment Agency (England)
- FORMAS (Sweden)
- SGI (Sweden)
- Bioclear BV (Netherlands)
The environmental consequences of soil remediation through biofuel or through dig-and-dump were compared using life cycle assessment (LCA). Willow (Salix viminalis) was actually grown in-situ on a discontinued oil depot, as a phytoremediation treatment. These data were used for the biofuel remediation, while excavation-and-refill data were estimated from experience. The biofuel remediation had great environmental advantages compared to the ex situ excavation remediation. With the ReCiPe impact assessment method, which included biodiversity, the net environmental effect was even positive, in spite of the fact that the wood harvest was not utilised for biofuel production, but left on the contaminated site. Impact from the Salix viminalis cultivation was mainly through land use for the short rotation coppice, and through journeys of control personnel. The latter may be reduced when familiarity with biofuel as a soil treatment method increases. The excavation-and-refill remediation was dominated by the landfill and the transport of contaminated soil and backfill. (C) 2010 Elsevier Ltd. All rights reserved.
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