对织品的再利用,回收和循环实践的生命周期评估应用:一项审查
Samuele Abagnato1, Lucia Rigamonti1, Mario Grosso1
1Politecnico di Milano, Department of Civil and Environmental Engineering, Environmental section, Piazza Leonardo da Vinci 32, 20133 Milano, Italy.
Waste management (New York, N.Y.)
|April 21, 2024
概括
分开收集,再利用和回收织品为环境带来了显著的好处. 通过循环经济实践延长织品的使用寿命,可以最大限度地减少对环境的影响,优于能源回收或垃圾填埋处理.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 可持续工程 可持续工程
背景情况:
- 织废物管理是一个日益严重的环境问题.
- 循环经济原则为织产品提供了潜在的解决方案.
- 生命周期评估 (LCA) 是评估环境影响的关键工具.
研究的目的:
- 确定最佳的织废物管理策略.
- 分析织品中循环经济实践对环境的影响.
- 确定影响织品生命周期影响评估 (LCIA) 的关键变量.
主要方法:
- 对45篇应用生命周期评估 (LCA) 于织废物管理和循环经济的出版物的系统审查.
- 分析与不同织品生命周期结束场景 (收集,再利用,回收,能源回收,填埋) 相关的环境影响.
- 确定影响织循环性的LCIA结果的关键变量.
主要成果:
- 分开收集,再利用和回收织品带来了巨大的环境效益,再利用的影响比回收要小.
- 织废弃物在能源回收和垃圾填埋场景中对气候变化影响做出了重大贡献.
- 使用回收纤维制造织品通常会减少与原始纤维相比对环境的影响,但有一些例外.
- 延长织品使用寿命的做法显示环境影响最低.
结论:
- 循环经济战略,特别是延长产品寿命的战略,对于可持续的织废物管理至关重要.
- 生命评估中的关键变量,包括回收效率,使用阶段影响和运输,需要仔细考虑才能进行准确的评估.
- 未来的研究应该集中在工业规模的数据和消费者行为上,以完善织循环性的LCA模型.
相关概念视频
01:20Types of Step-Growth Polymers: Polyesters
2.2K
The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
2.2K
01:43Sustainable Development
13.3K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
13.3K
00:54What are Biogeochemical Cycles?
31.6K
The most common elements in organic molecules, carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus, are only available in the ecosystem in limited amounts. Therefore, these nutrients must be recycled through both biotic and abiotic components of the ecosystem, in processes generally called biogeochemical cycles.
31.6K