在高回收率的国家发现塑料包装废弃物的环境绩效模式:欧盟27国的一个例子
Yee Van Fan1, Lidija Čuček2, Chunyan Si1
1Sustainable Process Integration Laboratory - SPIL, NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology, Technická 2896/2, 616 69 Brno, Czech Republic.
Environmental research
|November 15, 2023
概括
欧洲的塑料废物管理策略表现出不确定的有效性. 尽管恢复速度增加,但全球变暖潜力 (GWP) 随着废物增加而增加,这表明反弹效应,尽管其他影响受到缓解.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 可持续性研究 可持续性研究
背景情况:
- 塑料消费和生命周期结束管理造成了严重的环境负担,并且耗费大量能源.
- 废物到资源和预防策略在欧洲得到推广,但它们在现实世界中的有效性尚不清楚.
研究的目的:
- 分析欧盟27个成员国塑料价值链的环境足迹模式.
- 根据社会经济,人口和环境影响的相似性,确定国家集群.
主要方法:
- 使用缩小尺寸和分组技术进行探索性数据分析.
- 评估9个变量,包括社会经济因素和环境影响.
- 在五年间 (2014-2019) 基于国家特征的聚类分析.
主要成果:
- 确定了三个不同的集群,主要受到环境影响的影响,特别是全球变暖潜力 (GWP).
- 大多数欧盟27国属于0集群 (低GWP),平均值为2014年的2.64CO2eq/人,2019年的4.01CO2eq/人.
- 丹麦在2014年至2019年间从集群1 (高GWP) 过渡到集群0 (低GWP).
- 欧盟27国塑料包装废弃物回收率的提高并没有降低GWP,这表明反弹效应.
- GWP与更高的塑料废弃物量相关,而其他影响,如环氧化和酸化,通过回收得到缓解.
结论:
- 欧盟-27塑料价值链中的环境足迹模式是不同的,可以分为群集.
- 尽管有恢复努力,反弹效应增加了塑料废物的GWP,需要有针对性的减缓策略.
- 回收有效地减轻了其他环境影响,如环保化和酸化,尽管塑料废物产量增加.
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