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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2022.2152733
|2 doi
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|a pubmed25n1164.xml
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|a (NLM)36433718
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Weligama Thuppahige, Rasangika Thathsaranee
|e verfasserin
|4 aut
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|a Assessment of the environmental sustainability of municipal solid waste valorization by anaerobic digestion and by composting in Sri Lanka
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|c 2022
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 16.02.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Municipal solid waste management (MSWM) remains a major concern in Sri Lanka, and various treatment methods have been deployed. Though both composting and anaerobic digestion have been effective in environmental decontamination, there are other environmental issues that should be assessed. This study aimed to evaluate the environmental impacts of a full-scale composting plant and an anaerobic digestion plant for managing the organic fraction of municipal solid waste (OFMSW) in Sri Lanka using life cycle assessment (LCA). The results show that OFMSW composting causes unfavourable environmental impacts on damage categories such as human health (6.77 × 10-4 disability-adjusted life years (DALY) tonne-1 OFMSW), ecosystem quality (1.90 × 10-6 species.year tonne-1 OFMSW), and resource scarcity (3.66 × 10-1 United States Dollar (USD) tonne-1 OFMSW). Anaerobic digestion also leads to unfavourable impacts on human health (2.13 × 10-4 DALY tonne-1 OFMSW) and ecosystem quality (6.46 × 10-7 species.year tonne-1 OFMSW). However, the impact on resource scarcity (-3.85 × 10-2 USD tonne-1 OFMSW) was avoided due to electricity production via anaerobic digestion. Specifically, the treatment of OFMSW by anaerobic digestion resulted in a reduction by 68.3% in the total environmental load as compared to composting. It can be concluded that out of the two existing systems investigated, anaerobic digestion has a more favourable environmental impact than composting
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|a Journal Article
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|a Organic waste utilization
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| 650 |
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4 |
|a ecosystem quality
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| 650 |
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4 |
|a human health
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| 650 |
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4 |
|a life cycle assessment
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| 650 |
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4 |
|a resources
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| 700 |
1 |
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|a Babel, Sandhya
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g (2022) vom: 06. Dez., Seite 1-14
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
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|g year:2022
|g day:06
|g month:12
|g pages:1-14
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|u http://dx.doi.org/10.1080/09593330.2022.2152733
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