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医院洗衣的碳足迹:生命周期评估
Joseph John1,2,3, Michael Collins4, Kieran O'Flynn2,5
1University of Exeter Medical School, Exeter, UK joseph.john3@nhs.net.
BMJ open
|February 28, 2024
概括
这项研究评估了医院洗衣室的温室气体 (GHG) 排放,发现适度的每项排放量低于一次性替代品. 未来的电气化和优化运输可以进一步减少温室气体的影响.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 工业生态学 工业生态学
背景情况:
- 医院洗衣服务产生大量温室气体 (GHG) 排放.
- 评估洗衣业务的生命周期影响对于环境可持续性至关重要.
研究的目的:
- 为了量化区域医院洗衣机单位的温室气体排放量.
- 为洗衣业务建模潜在的减排策略.
主要方法:
- 进行了由摇篮到坟墓的,基于过程的,归因性生命周期评估.
- 分析了所有加工洗衣品的两个财年 (2020-21,2021-22) 的数据.
- 温室气体排放量以每件洗衣物和每公斤二氧化碳等价物 (CO2e) 来衡量.
主要成果:
- 年平均温室气体排放量为2947二氧化碳.
- 平均排放量为0.225公斤二氧化碳每种物品的使用和0.5080公斤二氧化碳每公斤洗衣品.
- 炉的天然气是最大的贡献者 (75.7%);电气化显示出未来的减排潜力.
结论:
- 医院洗衣机单位的碳足迹很大,但每件产品的排放量与一次性替代品相比具有竞争力.
- 电气化炉和优化运输车辆负载是减少温室气体排放的关键策略.
- 过渡到可再生能源用于炉电气化对于长期减排至关重要.
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