Solid Waste Generation Rate, Composition Analysis, and Proposed Management Plan: A Case Study of Main Market Centers of Bahir Dar City.

Q2 Environmental Science
The Scientific World Journal Pub Date : 2025-03-16 eCollection Date: 2025-01-01 DOI:10.1155/tswj/8504268
Amare Kassawe, Eshetu Getahun
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Abstract

Effective municipal solid waste management is a critical aspect of urban development. This study investigated the waste generation rate, composition, and current solid waste management plan in Bahir Dar City, Ethiopia. A two-stage random sampling technique was implemented. Data collection involves onsite data collection, structured questionnaires, and semistructured interviews. The result indicated that retail trade emerges as the leading sector, generating nearly half of the total solid waste (49%), and the food service sector stands second. In terms of solid waste type, food waste constitutes a significant portion of the waste stream, with a daily generation of 10,817.51 kg. The paper and cardboard waste in the market centers were the second waste, accounting for 762.684 kg per day. The amount of plastic waste generated per day ranges from 157.946 to 493.253 kg, and because of its high volatile matter content (68.95%), it might be used to produce energy. Food waste and yard waste had a high moisture content of 63.25% and 40.14%, respectively, which makes them ideal for composting and biogas production. Among the seven study sites, Kebele 04 had a huge waste generation, which was 47% of the total waste generation, indicating a spatial disparity in waste production in the city. The results highlighted the immense potential for waste reuse and recycling, emphasizing the circular economic opportunities associated with sustainable waste management practices. The findings contribute valuable insights to urban planners and policymakers to implement sustainable solid waste management plans in the country.

固体废物产生率、成分分析及建议管理方案——以巴希尔达尔市主要市场中心为例
有效的城市固体废物管理是城市发展的一个关键方面。本研究调查了埃塞俄比亚巴希尔达尔市的废物产生率、组成和目前的固体废物管理计划。采用两阶段随机抽样技术。数据收集包括现场数据收集、结构化问卷调查和半结构化访谈。结果表明,零售业成为主要行业,产生了近一半的固体废物(49%),食品服务业位居第二。就固体废物类型而言,食物废物占废物流的很大一部分,每天产生10,817.51公斤。市场中心的纸、纸板垃圾次之,日处理量为762.684公斤。每天产生的塑料废物量在157.946 - 493.253 kg之间,由于其挥发物含量高(68.95%),可以用来生产能源。食物垃圾和庭院垃圾的含水率分别为63.25%和40.14%,非常适合堆肥和产气。在7个研究点中,Kebele 04的垃圾产生量很大,占垃圾产生量的47%,表明城市垃圾产生量存在空间差异。结果突出了废物再用和回收的巨大潜力,强调了与可持续废物管理做法有关的循环经济机会。研究结果为城市规划者和决策者在该国实施可持续固体废物管理计划提供了宝贵的见解。
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来源期刊
The Scientific World Journal
The Scientific World Journal 综合性期刊-综合性期刊
CiteScore
5.60
自引率
0.00%
发文量
170
审稿时长
3.7 months
期刊介绍: The Scientific World Journal is a peer-reviewed, Open Access journal that publishes original research, reviews, and clinical studies covering a wide range of subjects in science, technology, and medicine. The journal is divided into 81 subject areas.
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