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Life Cycle Gaps: Interpreting LCA Results with a Circular Economy Mindset

机译：生命周期差距：用循环经济思想来解释LCA结果

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Circular economies require the closing of material cycles, upcycling rather than downcycling, and increased responsibility of producers for the end of life of their products. This challenges not only the predominant linear business approach but also the way we conduct and interpret LCA Studies. The conventional cradle-to-grave approach, even when it includes credits for substituted materials, is not fully suitable for meaningful interpretation within a circular economy setting. We therefore propose the idea of a life cycle gap analysis as an additional means of interpretation and decision support within LCA. It highlights the theoretical circularity gaps with regard to the potential environmental impacts during a product's life cycle in terms of system losses - the so-called life cycle gaps - between an ideal closed system and the status quo. The desired new state of the life cycle gap analysis is the minimization of the gaps to zero while fulfilling the defined restrictions of the approach. Our contribution explains and exemplifies the method.
机译：循环经济体需要闭合材料周期，升级而不是淡循环，并增加生产者对其产品的生命结束的责任。这挑战不仅是主要的线性商业方法，而且还有我们进行和解释LCA研究的方式。传统的摇篮到坟墓的方法，即使它包括替代材料的信用，也没有完全适合在循环经济环境中的有意义的解释。因此，我们提出了生命周期差距分析的想法作为LCA内的额外解释和决策支持手段。它突出了在系统损失方面的产品生命周期内的潜在环境影响的理论循环间隙 - 所谓的生命周期间隙 - 理想的封闭系统和现状。生命周期间隙分析的所需新状态是在满足该方法的定义限制时最小化间隙到零。我们的贡献解释说明并举例说明了该方法。

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