Potential Impact of Municipal Solid Waste: Case Study of Bahir Dar City, Ethiopia

Q4 Environmental Science

Journal of Solid Waste Technology and Management Pub Date : 2022-08-01 DOI:10.5276/jswtm/2022.450

A. Misganaw

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引用次数: 0

Abstract

This study was carried out to determine the potential impact of municipal solid waste in Bahir Dar city. The disposal of municipal solid waste in an open dumpsite in Bahir Dar has an environmental impact in terms of greenhouse gas emissions, eutrophication, and leachate. The quantity of greenhouse gases emitted from the open dumpsite of Bahir Dar city was determined by using IPCC default method. Currently around 148 tons/day waste is generated from Bahir Dar city and from these waste 58% of the waste is disposed into open dump site. From the waste disposal site 46Gg/year of greenhouse gas is emitted. The molecular formula that was determined from organic waste of the city is C24H36O13N. By using this molecular formula of the organic waste, the theoretical oxygen demand becomes 38.75 and then the eutrophication potential of organic waste generated from Bahirdar city was 0.0594 Kg N-equivalent or 59.4g N-equivalent. The average annual leachate resulting from the waste reaches 1,112mm per day. Bahir Dar city should start to implement 3R (Reduction, Reuse and Recycling) solid waste management options in order to reduce potential environmental impacts. For more investigation quantification of the other impacts associated with municipal solid waste is recommended.

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城市固体废物的潜在影响：以埃塞俄比亚巴希尔达尔市为例

本研究旨在确定巴希尔达尔市城市固体废物的潜在影响。在巴希尔达尔的露天垃圾场处理城市固体废物会对温室气体排放、富营养化和渗滤液产生环境影响。采用IPCC默认方法确定了巴希尔达尔市露天垃圾场的温室气体排放量。目前，巴希尔达尔市每天产生约148吨废物，其中58%的废物被处理到露天垃圾场。废物处理场每年排放46Gg/年的温室气体。从该城市的有机废物中确定的分子式为C24H36O13N。根据有机废物的分子式，理论需氧量为38.75，则巴希尔达尔市产生的有机废物的富营养化潜力为0.0594千克氮当量或59.4克氮当量。垃圾产生的渗滤液年平均每天达到1112mm。巴希尔达尔市应开始实施3R（减少、再利用和回收）固体废物管理方案，以减少潜在的环境影响。为了进行更多的调查，建议对与城市固体废物相关的其他影响进行量化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Solid Waste Technology and Management Environmental Science-Waste Management and Disposal

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Journal of Solid Waste Technology and Management is an international peer-reviewed journal covering landfill, recycling, waste-to-energy, waste reduction, policy and economics, composting, waste collection and transfer, municipal waste, industrial waste, residual waste and other waste management and technology subjects. The Journal is published quarterly (February, May, August, November) by the Widener University School of Engineering. It is supported by a distinguished international editorial board.