在生命周期评估中回收材料的技术替代性:全面的审查和量化量化的框架
Estefania Sanabria Garcia1, Sophie Huysveld1, Trang T Nhu1
1Sustainable Systems Engineering (STEN), Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
Waste management (New York, N.Y.)
|September 12, 2023
概括
回收回收是回收的过程.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 工业生态学 工业生态学
背景情况:
- 生命周期评估 (LCA) 认为回收利用可以减少原始材料的影响.
- 准确的LCA结果取决于如何估计回收材料的替代性.
- 科学界对评估LCA中回收材料的技术替代性的方法尚不清楚.
研究的目的:
- 审查和分析科学界如何评估LCA中回收材料的技术替代性.
- 确定当前的方法,研究的材料和可替代性评估的局限性.
- 提出一个框架,以改善LCA中的可替代性评估.
主要方法:
- 对49篇同行评审论文的系统审查,这些论文是关于LCA中回收材料的可替代性.
- 分析研究方面,包括材料,替代类型,回收材料应用和生命周期阶段 (LCS).
- 技术可替代性的量化方法的分类.
主要成果:
- 49%的研究考虑了可替代性的技术和经济方面,51%的研究忽视了回收材料的最终应用.
- 塑料是最受研究的,质量是主要的量化属性.
- 可替换性是一个不断发展的概念,51%的论文开发了新的计算方法.
- 33%的研究使用了外部可替代性值,没有具体案例验证.
- 需要协调,透明和考虑应用程序.
结论:
- 目前用于评估LCA中回收材料可替代性的方法缺乏标准化,并且经常忽略关键的应用细节.
- 需要进一步的研究和开发来完善可替代性计算并确保其适用性.
- 拟议的逐步框架旨在指导研究人员在不同生命周期阶段 (LCS) 一致测量技术可替代性.
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