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Livscykelanalys av marksaneringsåtgärder: Åtgärdsvalstudie för Norrbyskär - vilket alternativ innebär minst klimatbelastning?
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2015 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Life cycle assessment of soil remediation options:Study of options at Norrbyskär - which alternative has the least climate impact? 

The purpose of this report was to make a life cycle assessment (LCA) to compare four suggested options for soil remediation at Norrbyskär, Umeå. The question formulation was to find out which option that had the least climate impact depending on the aim of the remediation. Main focus of the study was emissions of CO2 from transportation and machine work for each remediation option. The LCA was a screening and presented a good overview for the results. What sets the four remediation options apart is the amount of soil that is processed for each option. The LCA was performed according to the standards ISO 14040:2006 and ISO 14044:2006. Calculations in the report was performed with the LCA-software SimaPro and general data from EcoInvent. The results showed that the total emissions from each soil remediation option varied between 310 and 590 tonnes carbon dioxide equivalents (CO2e). The option that only included covering of the contaminated area with new soil had the least emissions and the option that included excavation and filling with new soil had the highest emissions. Both options do not fulfill the same goals in the end, though. One conclusion is that the more extensive remediation is the greater is the climate impact. 

Place, publisher, year, edition, pages
2015. , 17 p.
Keyword [en]
life cycle assessment (LCA), soil remediation options, emissions, carbon dioxide equivalents, climate impact
National Category
Natural Sciences
URN: urn:nbn:se:umu:diva-111234OAI: diva2:868481
External cooperation
Tyréns AB
Subject / course
Examensarbete i miljö och hälsoskydd
Educational program
Bachelor of Science in Environmental Health
Available from: 2015-11-13 Created: 2015-11-10 Last updated: 2015-11-13Bibliographically approved

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