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Title
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Environmental and economic performance of plasma gasification in Enhanced Landfill Mining
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Author
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Abstract
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| This paper describes an environmental and economic assessment of plasma gasification, one of the viable candidates for the valorisation of refuse derived fuel from Enhanced Landfill Mining. The study is based on life cycle assessment and life cycle costing. Plasma gasification is benchmarked against conventional incineration, and the study indicates that the process could have significant impact on climate change, human toxicity, particulate matter formation, metal depletion and fossil depletion. Flue gas emission, oxygen usage and disposal of residues (plasmastone) are the major environmental burdens, while electricity production and metal recovery represent the major benefits. Reductions in burdens and improvements in benefits are found when the plasmastone is valorised in building materials instead of landfilling. The study indicates that the overall environmental performance of plasma gasification is better than incineration. The study confirms a trade-off between the environmental and economic performance of the discussed scenarios. Net electrical efficiency and investment cost of the plasma gasification process and the selling price of the products are the major economic drivers. |
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Language
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English
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Source (journal)
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Waste management. - Oxford
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Publication
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Oxford
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2015
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ISSN
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0956-053X
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DOI
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10.1016/J.WASMAN.2015.06.022
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Volume/pages
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45
(2015)
, p. 458-467
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ISI
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000364796800050
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Pubmed ID
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26119012
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Full text (Publisher's DOI)
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Full text (open access)
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Full text (publisher's version - intranet only)
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