使用系统动态预测城市固体塑料废物产生和管理政策:孟加拉国Khulna城市的案例研究
Islam M Rafizul1, Eckhard Kraft2, Thomas Haupt2
1Department of Civil Engineering, Khulna University of Engineering and Technology, Khulna-9203, Bangladesh.
Environmental monitoring and assessment
|May 13, 2024
概括
有效的城市固体塑料废物管理对于沿海城市至关重要. 一个新的模型显示,到2040年,政策干预可以显著减少塑料污染及其足迹.
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:
- 塑料污染对全球沿海生态系统构成严重威胁.
- 有效地管理城市固体塑料废物 (MSPW) 对于减轻环境退化至关重要.
- 孟加拉国Khulna市在MSPW管理方面面临重大挑战.
研究的目的:
- 开发和模拟一个用于预测MSPW管理解决方案的模型.
- 评估不同政策干预措施减少塑料废物的有效性.
- 在各种情景下评估塑料废物足迹指数 (PWFI).
主要方法:
- 开发和模拟基于代理的系统动态 (ASD) 模型.
- 从2023年到2040年预测MSPW产生,填埋堆积和河流排放.
- 模拟两个政策场景,包括控制排放,改进的收集,回收和转换技术.
主要成果:
- 基线预测显示,到2040年,人均塑料废物产量将增加到11.6公斤.
- 预计填埋的塑料垃圾量将达到7万,河流排放量将增加到834.
- 政策2,具有69%的转换,80%的源分离和50%的河流排放减少,显著降低了PWFI.
结论:
- 系统的战略和技术举措对于有效的MSPW管理至关重要.
- 政策干预,特别是增强的源分离和转换技术,可以大幅减少塑料污染.
- 拟议的政策框架为沿海城市地区的MSPW管理提供了一种可持续的方法.
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