综合城市固体废物管理系统的环境可持续性分析:生命周期方法
1Department of Energy Systems Engineering, Erciyes University, Kayseri, 38030 Türkiye.
Integrated environmental assessment and management
|November 20, 2025
概括
在发展中国家优化城市固体废物管理 (MSWM) 是至关重要的. 生命周期评估显示,废物收集和运输是主要的环境热点,强调需要有效的物流和减少柴油使用.
科学领域:
- 环境科学 环境科学
- 废物管理 废物管理
- 可持续发展 可持续发展 可持续发展
背景情况:
- 发展中国家面临越来越多的城市固体废物 (MSW) 生产.
- 可持续的MSW管理 (MSWM) 对于实现可持续发展目标 (SDGs),特别是SDG 11和SDG 12至关重要.
- 整合的MSWM系统正在实施以减轻环境影响.
研究的目的:
- 评估一个集成的MSWM系统对环境和运动的影响.
- 通过生命周期评估 (LCA) 在MSWM子流程中识别热点和主要贡献者.
- 为发展中国家优化MSWM战略提供见解.
主要方法:
- 使用生命周期评估 (LCA) 来评估环境和生理影响.
- 该研究考虑了MSW收集,运输,填埋,填埋气体 (LFG) 的利用和发电.
- 影响是按每一处置的MSW和每千瓦时从LFG产生的电量进行正常化.
主要成果:
- 全球变暖潜力 (GWP) 为160公斤CO2-eq/MSW,能量消耗 (CExD) 为2450MJ/MSW.
- 在LFG发电的影响是1.56公斤的CO2-eq/kWh和24MJ/kWh.
- 收集和运输被确定为主要热点,对环境影响贡献97.80%,对能源消耗贡献93.50%.
结论:
- 优化垃圾车路线和建立转运站可以显著减少环境负担.
- 减少废物收集车辆的柴油消耗对于改善MSWM的可持续性至关重要.
- 专注于物流效率的综合MSWM战略对于可持续的城市发展至关重要.
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