Abstract
The only way to dispose of municipal solid waste (MSW) in Oman is in engineered landfills without pre-treatment. An effective waste management system requires a reliable database of solid waste composition, properties, and energy content. Although investigating waste in landfills in Muscat Governorate is challenging and complex, it is essential. In this study, MSW from Muscat Governorate landfills is examined. The MSW samples were collected et al. Amerat and Barka landfills in 2020 in order to determine some of the importance of their physiochemical properties and the ratio of materials (food, plastic, and paper). It was found that approximately 50% of the weight of the disposed waste was recyclable. There were high levels of biodegradable organic material in MSW. In terms of moisture content, MSW ranged from 21.5 to 43.3%. Both the volatility and loss of ignition of MSW were high. It was found that the total oxide ratios ranged from 12.4 to 44.06%. The elemental analysis of Muscat MSW resulted in six chemical formulas for MSW with and without sulfur. Silica is the most influential oxide, followed by calcium oxide. The findings of this study indicate that almost half of Muscat’s municipal solid waste can be recycled. Solid waste can be recycled to create renewable materials that can replace oil as a by-product of the recycling industry. Additionally, Muscat MSW has a high moisture content, which enables it to be composted and biodegraded. Moreover, waste-to-energy technologies are feasible due to their high-energy content.
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Talal Etri was involved with the conceptualization, methodology, data analysis, and writing of the first draft of the manuscript. Omaima Al Samsami assisted in the conceptualization, methodology, data analysis, provision of resources, review, and editing of the paper. Mahad Said Baawain assisted in the conceptualization, data analysis, and provision of resources.
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Etri, T., Al Samsami, O. & Baawain, M. Characterization of landfills solid waste in Muscat and estimation of their energy recovery. Environ Sci Pollut Res 30, 104901–104915 (2023). https://doi.org/10.1007/s11356-023-29611-5
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DOI: https://doi.org/10.1007/s11356-023-29611-5