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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2022.04.035
|2 doi
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|a pubmed24n1135.xml
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|a (DE-627)NLM34053494X
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|a (NLM)35525000
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|a (PII)S0956-053X(22)00203-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Tian, Xi
|e verfasserin
|4 aut
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| 245 |
1 |
3 |
|a An infinite life cycle assessment model to re-evaluate resource efficiency and environmental impacts of circular economy systems
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|c 2022
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.05.2022
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|a Date Revised 18.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Ltd. All rights reserved.
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|a Challenges exist in life cycle assessment (LCA) to evaluate resource efficiency and environmental impacts of circular economy systems. Rules attributing recycling benefits/burdens are inconsistent, causing system boundary ambiguity. Besides, LCAs covering one or several life cycles fail to capture the complete resource path, which leads to unfair assessment results for the primary life cycle. This paper develops an infinite life cycle assessment model, which integrates LCA, substance flow analysis, and a state transition matrix into an infinite-life-cycle framework. On this basis, algorithms are formulated to quantify the resource efficiency and attribute environmental impacts following the principle of whole first, then allocation. Our model is demonstrated by a case study of lead-acid batteries. Results show that the resource efficiency of lead in the infinite life cycle assessment model is at least 118.75% higher than that of primary lead derived from the typical finite life cycle models. Measured by the index of environmental toxicity potential, environmental impacts are transferred from the primary product life cycle to recycled product life cycles, with the range fluctuating from 66.26% to 68.12%. Our model enables scholars to make more reasonable assessments for circular economy systems based on traditional LCA adjustment. From the infinite-life-cycle perspective, sustainable production policies should focus on increasing the recycling rate of waste products rather than limiting the exploitation of natural resources
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Absorbing Markov Chain
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| 650 |
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|a Environmental Impact Attribution
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| 650 |
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|a Infinite Life Cycle Assessment Model
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| 650 |
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4 |
|a Resource Efficiency
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| 650 |
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|a Substance Flow Analysis
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| 650 |
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|a Waste Products
|2 NLM
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| 700 |
1 |
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|a Xie, Jinliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Ming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yutao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yaobin
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 145(2022) vom: 15. Mai, Seite 72-82
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
1 |
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|g volume:145
|g year:2022
|g day:15
|g month:05
|g pages:72-82
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| 856 |
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|u http://dx.doi.org/10.1016/j.wasman.2022.04.035
|3 Volltext
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