Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recovery

Abstract Municipal solid waste (MSW) generation rate is on the rise as it is estimated to reach 3,539 million tonnes by 2050 from the 1,999 million tonnes in 2015. The seasonal variations of the physio-chemical properties of the MSW among others exacerbates its management challenges. This study aime...

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Main Authors: Tobby Michael Agwe, Moses N. Twesigye-omwe, Zubeda Ukundimana, Davies Rotimi, Sneha Gupta
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Scientific Reports
Subjects:
Online Access:https://doi.org/10.1038/s41598-025-87780-4
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author Tobby Michael Agwe
Moses N. Twesigye-omwe
Zubeda Ukundimana
Davies Rotimi
Sneha Gupta
author_facet Tobby Michael Agwe
Moses N. Twesigye-omwe
Zubeda Ukundimana
Davies Rotimi
Sneha Gupta
author_sort Tobby Michael Agwe
collection DOAJ
description Abstract Municipal solid waste (MSW) generation rate is on the rise as it is estimated to reach 3,539 million tonnes by 2050 from the 1,999 million tonnes in 2015. The seasonal variations of the physio-chemical properties of the MSW among others exacerbates its management challenges. This study aimed to conduct in-depth investigations on the seasonal variations of physio-chemical properties of the MSW generated in Kabale Municipality, southwestern Uganda to inform sustainable MSW management systems. This study revealed that this MSW is majorly plastics, with concentrations of 21.45% and 26.94% in the dry and wet seasons, respectively, which presents a more recycling potential for these plastics in the wet season. The biodegradable MSW fraction (food, paper, cardboard and garden trimming wastes), which were 35.6% and 35.34% for the dry and wet seasons, respectively, supports energy recovery from the waste in the form of biogas, with a higher potential in the wet season as supported by its higher volatile solid content for the same of 48.92% as compared to that of the dry season of 34.92%. Based on these findings, it is recommended among others that the masses be sensitized on how to generate biogas from the biodegradable fraction of this MSW.
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spelling doaj-art-63fe781531254c5db6795cb49b27cdbd2025-02-09T12:30:16ZengNature PortfolioScientific Reports2045-23222025-02-0115111510.1038/s41598-025-87780-4Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recoveryTobby Michael Agwe0Moses N. Twesigye-omwe1Zubeda Ukundimana2Davies Rotimi3Sneha Gupta4Department of Civil, Structural and Environmental Engineering, Soroti UniversityDepartment of Civil Engineering, Kabale UniversityDepartment of Civil Engineering, Kampala International UniversityDepartment of Civil Engineering, Kampala International UniversityDepartment of Civil Engineering, Madan Mohan Malaviya University of TechnologyAbstract Municipal solid waste (MSW) generation rate is on the rise as it is estimated to reach 3,539 million tonnes by 2050 from the 1,999 million tonnes in 2015. The seasonal variations of the physio-chemical properties of the MSW among others exacerbates its management challenges. This study aimed to conduct in-depth investigations on the seasonal variations of physio-chemical properties of the MSW generated in Kabale Municipality, southwestern Uganda to inform sustainable MSW management systems. This study revealed that this MSW is majorly plastics, with concentrations of 21.45% and 26.94% in the dry and wet seasons, respectively, which presents a more recycling potential for these plastics in the wet season. The biodegradable MSW fraction (food, paper, cardboard and garden trimming wastes), which were 35.6% and 35.34% for the dry and wet seasons, respectively, supports energy recovery from the waste in the form of biogas, with a higher potential in the wet season as supported by its higher volatile solid content for the same of 48.92% as compared to that of the dry season of 34.92%. Based on these findings, it is recommended among others that the masses be sensitized on how to generate biogas from the biodegradable fraction of this MSW.https://doi.org/10.1038/s41598-025-87780-4Municipal solid waste (MSW)Seasonal variationsPhysio-chemical propertiesMunicipal solid waste managementResources and materials recovery
spellingShingle Tobby Michael Agwe
Moses N. Twesigye-omwe
Zubeda Ukundimana
Davies Rotimi
Sneha Gupta
Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recovery
Scientific Reports
Municipal solid waste (MSW)
Seasonal variations
Physio-chemical properties
Municipal solid waste management
Resources and materials recovery
title Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recovery
title_full Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recovery
title_fullStr Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recovery
title_full_unstemmed Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recovery
title_short Effects of seasonal variations of the physio-chemical properties of municipal solid waste on effective materials and resources recovery
title_sort effects of seasonal variations of the physio chemical properties of municipal solid waste on effective materials and resources recovery
topic Municipal solid waste (MSW)
Seasonal variations
Physio-chemical properties
Municipal solid waste management
Resources and materials recovery
url https://doi.org/10.1038/s41598-025-87780-4
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