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东非固体废物管理和回收系统的绩效基准比较:基加利卢旺达与其他主要城市的比较。

Benchmarking performance of solid waste management and recycling systems in East Africa: Comparing Kigali Rwanda with other major cities.

机构信息

1 College of Science and Technology, University of Rwanda, Kigali, Rwanda.

2 Department of Civil and Environmental Engineering, Imperial College London, UK.

出版信息

Waste Manag Res. 2019 Jan;37(1_suppl):58-72. doi: 10.1177/0734242X18819752.

DOI:10.1177/0734242X18819752
PMID:30761955
Abstract

This paper aims to benchmark performance of combined solid waste management (SWM) and recycling systems in major cities of East Africa. The Wasteaware indicators are used to present a detailed systems analysis for Kigali in Rwanda, including a mass flow diagram; comparative data are taken from the Wasteaware database for Dar es Salaam, Tanzania, Kampala, Uganda, Nairobi, Kenya, and also for neighboring Maputo, Mozambique. The stand-out result is the relatively high collection coverage achieved, in Maputo with extensive international technical assistance, and in Kigali using its own local resources. In both cases, governance factors are key. Kigali uses a public-private partnership, with exclusive franchises in 35 sectors being tendered every three years; households pay an affordable fee depending on their ability to pay (the service is free to the poorest category); and 95% fee collection rates are achieved, partly through co-collection with charges for local security patrols, which is a service people value highly given the recent history of the country. Another key priority to improve SWM across East Africa is to eliminate open dumping - only Kampala currently has an engineered disposal site. Recycling rates also need to be increased - only Nairobi currently has a good baseline to build on (30%). Common weaknesses include a lack of segregation at source, of institutional capacity, and of available and reliable waste data.

摘要

本文旨在为东非主要城市的综合固体废物管理 (SWM) 和回收系统的性能提供基准。Wasteaware 指标用于对卢旺达基加利进行详细的系统分析,包括物质流程图;比较数据取自坦桑尼亚达累斯萨拉姆、乌干达坎帕拉、肯尼亚内罗毕的 Wasteaware 数据库,以及邻国莫桑比克马普托的数据。引人注目的结果是在有广泛国际技术援助的马普托和利用自身当地资源的基加利实现了相对较高的收集覆盖率。在这两种情况下,治理因素都是关键。基加利采用公私合作伙伴关系,35 个行业的独家经营权每三年招标一次;家庭根据自己的支付能力支付可承受的费用(最贫困阶层的服务是免费的);并实现了 95%的收费率,部分原因是与当地治安巡逻收费共同收取,鉴于该国最近的历史,人们非常重视这项服务。改善东非 SWM 的另一个关键优先事项是消除露天倾倒——目前只有坎帕拉有一个经过工程设计的处理场。还需要提高回收利用率——目前只有内罗毕有一个良好的基础(30%)。共同的弱点包括源头分类不足、机构能力不足以及可用和可靠的废物数据不足。

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