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Solid waste quantification and characterisation of selected landfills in Ghana

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Author: 
Linda Appiah Boamah, Ernest Kusi and Ampaw Kofi Nyarko
Abstract: 

Population growth, urbanization and economic development are some factors contributing to an increase in waste quantities and diversification. Characterization and quantification of waste enhances efficient comparisons of different waste management systems .This study sought to investigate the quantity and characterization of land filled waste. Questionnaires, interviews, site visits and hand/manual sorting were done to obtain primary sources of information. This was substantiated with secondary data from books, journals and internet. Information for waste characterization study was obtained using recording sheet developed by Flint off. Three landfill sites (Kpone landfill, Abokobi dump and Nkanfoa dump sites) were selected. Twelve 240 L waste bins were filled with the waste from the landfill. A bin was weighed and its contents were sorted into organic, paper, metals, glass, textiles, plastics and rubber, residues and inert matter. The mass of the sorted fractions were measured with a mass balance and recorded. Average masses were calculated after the process was repeated for the other eleven bins. Organic component which was the highest waste stream in landfilled wastes accounted for about 51.90%, whiles residues had the lowest component (3.22%). Waste sorting and recycling would reduce the amount of waste that end up at the landfill sites.

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