发展中国家的城市固体废物管理挑战:亚洲和非洲的全面审查和未来前景
Zhechen Zhang1, Zhonghao Chen1, Jiawen Zhang1
1Department of Civil Engineering, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China.
The Science of the total environment
|April 27, 2024
概括
由于城市化,亚洲和非洲的发展中国家面临着重大的城市固体废物 (MSW) 挑战. 有效的废物管理需要对来源进行分类,优化垃圾填埋场和热处理,而不仅仅是回收利用.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 废物管理 废物管理
背景情况:
- 亚洲和非洲的快速城市化急剧增加了城市固体废物 (MSW) 的产生.
- 现有的处置策略受到土地和财务限制,公众行为不良以及政策实施效率低下的阻碍.
- 许多领域的发展效率低下源于缺乏系统的废物管理导向和规划.
研究的目的:
- 在2013年至2023年期间,审查亚洲和非洲发展中国家的城市固体废物 (MSW) 管理的主要挑战.
- 识别和提出有效的废物管理解决方案,超越传统的回收利用,考虑到当地环境.
- 突出优化MSW管理系统的障碍,并建议融入循环经济.
主要方法:
- 综合审查了2013年至2023年间发表的170篇学术论文.
- 分析与MSW产生,处置,政策实施和公共行为相关的挑战.
- 识别替代管理策略及其采用的障碍.
主要成果:
- 由于多种社会经济,基础设施和文化障碍,目前的MSW管理在很大程度上是无效的.
- 来源分类,优化垃圾填埋和热处理被认为是比仅专注于回收利用更相关的解决方案.
- 效率低下的规划和公众参与阻碍了有效的废物管理.
结论:
- 将废物管理纳入循环经济框架对于可持续发展至关重要.
- 加强公民参与减少和回收废物至关重要.
- 解决社会经济因素,基础设施和文化因素是改善MSW管理的关键,国际援助是潜在的资源.
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