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Life cycle assessment of biodegradable waste treatment systems for sub-Saharan African cities
Swedish University of Agricultural Sciences, Sweden.ORCID iD: 0000-0001-5979-9521
2015 (English)In: Resources, Conservation and Recycling, ISSN 0921-3449, E-ISSN 1879-0658, Vol. 99, 100-110 p.Article in journal (Refereed) PublishedText
Abstract [en]

Most of the waste collected in sub-Saharan African cities is biodegradable but it is usually dumped in landfills, creating environmental and health challenges for residents. However, there are biodegradable waste treatment methods that could mitigate these challenges. This study analysed anaerobic digestion, composting, vermicomposting and fly larvae waste treatments using life cycle assessment (LCA). The impact categories assessed were energy use, global warming and eutrophication potential. The results showed that anaerobic digestion performed best in all impact categories assessed. However, management of the anaerobic digestion process is critical and methane losses must be kept very small, as otherwise they will cause global warming.

Place, publisher, year, edition, pages
2015. Vol. 99, 100-110 p.
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Other Environmental Engineering
URN: urn:nbn:se:kth:diva-182614DOI: 10.1016/j.resconrec.2015.03.006ISI: 000356735500010ScopusID: 2-s2.0-84928975070OAI: diva2:905216

QC 20160316

Available from: 2016-02-22 Created: 2016-02-22 Last updated: 2016-03-16Bibliographically approved

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Sundberg, Cecilia
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