Characterization and Disposal of Municipal Solid Waste, Case Study, Hosanna Town

摘要

The aim of this paper was to assess the amount of municipal solid waste generated in Hosanna town located in southern Ethiopia. Analysis was carried out to calculate amount of solid waste generated daily and annually per person per capita. Mixed questionnaries survey and direct waste analysis at source basis were used for data collection. Representative samples were selected from hotels, bar and restaurant, cafes, offices, abattoir, correctional facilities, educational facilities, and conventional household in each 'kebeles'. Eleven millions of kilogram of waste was generated per year throughout the town, of which 82% garbage, 7% paper, 5% plastic, 3% 'Chat' stalk, 2% glass, and 1% others. Wastes from construction, industries, and unconventional units were not included. Empirical formulas-through observation and calculation were developed to calculate waste generation multipliers and to estimate composition variation within time. Despite the fact that the major problem of solid waste management was linked to administration, the study shows that characterization and waste disposal also make a substantial contribution to the problem. The generations estimated will be twenty-one million of kilograms of waste by twenty-twenty three. Therefore, an area 106,158m~2 of sanitary landfill with service life of ten year will be required for the disposal.