对日本木屋供应链的二氧化碳排放热点分析
Seiya Imada1, Keitaro Maeno1, Shigemi Kagawa2
1Graduate School of Economics, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
Journal of environmental management
|February 3, 2024
概括
供应链排放主导着建筑工程的排放.
科学领域:
- 环境科学 环境科学
- 可持续建筑 可持续建筑
- 工业生态学 工业生态学
背景情况:
- 建筑行业对全球二氧化碳 (CO2) 排放做出了重大贡献,其中94%来自其供应链.
- 在建筑供应链中确定二氧化碳排放热点对于有针对性的减排战略至关重要.
研究的目的:
- 为确定二氧化碳排放热点提出供应链集群方法.
- 分析日本木制房屋的碳足迹,并确定其供应链中的排放热点.
主要方法:
- 开发了一种供应链集群方法,考虑了房屋的功能单位.
- 在日本木屋的供应链中,确定和量化了二氧化碳排放热点.
主要成果:
- 前十大二氧化碳排放集群对木制房屋的碳足迹 (38t-CO2) 贡献约40%.
- 铁和钢铁 (铁,原钢) 和水泥 (水泥,混凝土混凝土) 集群是主要的贡献者,占前十个集群内的排放量的75%.
结论:
- 减少铁/钢和水泥集群的排放对于降低木制房屋的碳足迹至关重要.
- 促进装修,改造空置房屋和基础再利用 (钢铁,水泥) 的政策可以减轻建筑物供应链的排放.
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