一个绿色策略,用于循环利用退役车辆 (ELV) 的核心部件:污染源分析,技术流程图,技术升级
Rui Wang1, Lu Zhan1, Zhenming Xu1
1School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, China.
The Science of the total environment
|December 29, 2023
概括
本研究分析了废旧车辆 (ELV) 循环利用造成的污染,确定了特定的污染物,并制定了一项绿色战略. 创建了一个智能拆卸和再循环线,以提高效率和减少污染.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 工业工程 工业工程 工业工程
背景情况:
- 废弃车辆 (ELV) 的处置带来了重大的环境和资源挑战.
- 现有的ELV回收研究缺乏对污染源和处理相关性的全面分析.
- 在ELV回收过程中,核心部件再制造过程带来了独特的污染挑战.
研究的目的:
- 提出一项基于污染源分析和技术升级的ELV部分上循环的绿色战略.
- 解决关于ELV处理流程图与污染产生之间的相关性的知识差距.
- 开发一个智能系统,用于ELV拆卸和利用,以提高效率并最大限度地减少对环境的影响.
主要方法:
- 典型的ELV拆卸和核心部件重制工艺的综合分析.
- 在拆卸和再制造过程中识别和量化挥发性有机化合物 (VOC) 和重金属.
- 使用统计分析和工艺特征构建18个污染指纹.
主要成果:
- 在ELV拆卸过程中确定了36种挥发性有机化合物 (VOC) 和7种重金属.
- 在核心部件再制造过程中检测到61种VOC物种.
- 开发了18个不同的污染指纹,用于ELV回收和再制造阶段.
结论:
- 在ELV回收和再制造中对污染源的全面了解至关重要.
- 开发的污染指纹为有针对性的污染控制战略提供了基础.
- 智能 ELV 拆卸和再循环线可以显著提高生产效率并减少污染排放.
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