EVALUATION OF SOLID WASTE MANAGEMENT IN OWERRI

NAME: NNAMDI-OGUEKE, GLORIA EBERE (MSc)

DEPARTMENT: ENVIRONMENTAL TECHNOLOGY

AFFILIATION: FEDERAL UNIVERSITY OF TECHNOLOGY OWERRI

Studies on waste management in Owerri aimed at establishing the waste generation rate of the different parts of Owerri municipality and their likely composition is reported. Data collection for the study was obtained by direct measurements at the site and analysis of samples of wastes collected in order to group them into three major compositions of biodegradables, combustibles and non-combustibles. Six sample points representing major activities in the city were used. To support information obtained from field measurements, sample questionnaire were produced and distributed within the areas selected for study. Results obtained reveal that the rate of waste generation in Owerri in between 3.68 – 5.11 m3/day, with the lower values representing waste generation rate in the commercial activity areas and the higher values that within the residential areas. Within the residential areas, biodegradables constitute the highest percentage of waste generated with an average of 48.4 – 61.4%. This is followed by the combustibles which represent 35.8 – 49.3% and then the non-combustibles which is 0.8 – 4.2%. Within the hospital, the combustibles represent 90.99% of the solid waste generated. Non-combustibles with an average of 7.03% was next, followed by biodegradables with an average of 1.98%. Thus in order to ensure that wastes are not littered around the bins, the bins should be emptied once every two day in the commercial activity areas and once every three days in and around the residential areas. For improved waste management, smaller bins, house-to-house collection and waste separation with properly designed landfill and incinerators should be considered.

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