用技术指标分析城市固体废物管理绩效

IF 5.4 Q1 ENVIRONMENTAL SCIENCES
Deval Jugraj Singh , Anil Kumar Dikshit , Mohan B. Dangi , George Tchobanoglous , Sunil Kumar
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引用次数: 0

摘要

在大多数发展中国家,城市固体废物(MSW)管理系统正处于过渡阶段,以保护公众健康免受与废物有关的危害。然而,由于缺乏可靠、全面和高质量的数据,这些努力受到阻碍,而这些数据对于知情决策和有效的系统改进至关重要。目前,正在利用一套复杂的技术指标来评估城市地区的生活垃圾管理系统并对其进行基准测试。本研究选取了20项指标,以评估四个不同界别的都市固体废物管理现状:(a)街道清洁和维修(SCM)、(b)收集和运输、(c)增值产品的回收和循环再造,以及(d)处置方法。每个指标的基准值都是根据专家意见和全球研究确定的。垃圾清扫频率(每天两次)和覆盖范围(93%)的调查显示,垃圾多发地区的资源分配较高,而人口较少的郊区的日常清洁关注和资源有限。这表明需要对现有做法进行重大改进,并实施更安全的处置方法。同样,可回收市场价值(RMV)分析显示,由于可回收产品的浓度较高,城市街道回收材料的经济价值最高(18.37 INR/kg)。来自中转站(15.72印度卢比/公斤)和处置场(13.09印度卢比/公斤)的样本的RMV较低,原因是存在高污染水平和材料质量退化。这项研究可作为建立实地支援系统和奖励机制的资源,以加强非正规部门在改善都市固体废物管理方面的作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance analysis of municipal solid waste management using technical indicators
In most developing countries, municipal solid waste (MSW) management systems are in the transition phase to safeguard public health from waste-related hazards. However, these efforts are hindered by the lack of reliable, comprehensive, and high-quality data, which are crucial for informed decision-making and effective system improvements. Currently, sophisticated sets of technical indicators (TI) are being utilized to assess and benchmark MSW management systems for urban areas. In this study a set of 20 TIs were identified to evaluate the existing status of MSW management in four different sectors: (a) street cleaning and maintenance (SCM), (b) collection and transportation, (c) recovery and recycling of value-added products, and (d) disposal practices. Benchmark values for each indicator were set based on expert opinions and global studies. TIs for SCM frequency (twice per day) and coverage (93 %) showed higher resource allocation in high-litter-prone areas, while less populated outskirts received limited attention and resources for daily cleaning. This revealed the need for significant improvements in the existing practices and implementation of safer disposal methods. Similarly, the recyclable market value (RMV) analysis revealed that urban streets had the highest economic value (18.37 INR/kg) for recovered materials due to a higher concentration of recyclable products. The RMV for samples from transfer stations (15.72 INR/kg) and disposal sites (13.09 INR/kg) was lower due to the presence of high contamination levels and degraded material quality. This study can be a resource to establish an on-ground support system and incentive-based schemes to strengthen the roles of the informal sector in improving MSW management.
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来源期刊
Environmental and Sustainability Indicators
Environmental and Sustainability Indicators Environmental Science-Environmental Science (miscellaneous)
CiteScore
7.80
自引率
2.30%
发文量
49
审稿时长
57 days
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