通过使用动态保质期方法减少食物损失和相关的温室气体排放
Junzhang Wu1, Yifeng Zou2, Gang Liu3
1CESQA (Quality and Environmental Research Center), Department of Civil, Environmental and Architectural Engineering, University of Padova, Via Marzolo 9, 35131 Padova, Italy.
Environmental science & technology
|June 30, 2025
概括
将物联网 (IoT) 传感器与动态保质期 (DSL) 系统集成,可以减少中国的食品浪费和温室气体排放. 这项技术为新鲜食品链提供了显著的环境效益.
科学领域:
- 环境科学 环境科学
- 食品科学 食品科学 食品科学
- 供应链管理 供应链管理
背景情况:
- 物联网 (IoT) 传感器与动态保质期 (DSL) 系统的整合提供了对易腐烂商品的实时可见性.
- 这些技术的整个生命周期的权衡,包括环境影响和减少食物损失,尚未完全理解.
研究的目的:
- 开发基于过程的生命周期框架,以评估物联网-DSL系统在中国新鲜食品链中的权衡.
- 量化避免的食物损失和浪费,以及与物联网-DSL部署相关的嵌入式传感器气候负担.
主要方法:
- 使用了动力质量降解模型和蒙特卡洛模拟.
- 开发了一个基于过程的生命周期框架,以评估中国新鲜食品供应链的环境影响和食物损失.
主要成果:
- 物联网-DSL系统将水果,乳制品和蔬菜的平均保质期延长了8.1-13.8%.
- 大规模部署可以避免17.32 ± 3.65万/年的食物浪费,并实现51.00 ± 10.38万CO2-eq/年的净减少.
- 传感器制造被确定为对环境影响的主要贡献者,强调了对生态设计和电子废物回收的需求.
结论:
- 物联网-DSL技术在中国的食品供应链中为减少食品浪费和相关温室气体排放提供了巨大的潜力.
- 传感器生产的上游影响需要可持续的制造实践和有效的电子废物管理.
- 未来的食品技术创新和饮食转变可以进一步增强缓解潜力.
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