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Communication Dans Un Congrès Année : 2023

Estimation of potential economic value losses due to resource dissipation in LCA through the EVDP method: A case on LIB recycling

Résumé

Resource dissipation is a phenomenon that has been identified as a barrier towards circular economy causing losses in the technosphere along the life cycle of products. When addressing mineral resources, an identified safeguard subject is the potential to make use of the value that a resource holds for humans; therefore a damage would be the reduction or loss of this potential due to human activity; currently there is a limited number of proposals to assess the impacts of dissipative losses. Building upon the JRC-LCI and JRC-LCIA methods, we present the Economic Value Dissipation Potential (EVDP) method, an impact assessment method in LCA that integrates the identification of dissipative flows, and the potential value loss associated to them. The method proposes a function that estimates the fraction of a mass flow that can be considered dissipative based on the comparison between a global average minimum grade in primary sources and resource concentration in dissipation compartments. Next, the method assigns a value to this flows based on the integration of their price and economic importance to model a potential value loss. The method is applied to a case study on Lithium-ion batteries (LIB) recycling through hydrometallurgy. Partial results of the application of the EVDP method include the development of a resource flow analysis based on the JRC-LCI method to better trace the analyzed materials. Results show that the recycling of a kilogram of battery NMC 111 allows the avoidance of the equivalent to 3.79 USD in dissipative losses. The biggest contributors being cobalt due to its high price and economic importance from the point of view of the EU, and aluminum, due to being the element with greater recovered mass in the analyzed process. The EVDP method provides a way to associate potentially dissipative flows to value losses measured in monetary units. It also provides an indicator to quantify the effectiveness of circular economy strategies in maintaining the value of resources in the technosphere. The application of the method to a case study on LIB recycling through hydrometallurgy shows the benefits of this type of practices from a life cycle perspective; further replication of the method is suggested along with other impact assessment methods to support decision-making processes regarding the implementation of circular economy strategies.
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Dates et versions

cea-04662935 , version 1 (26-07-2024)

Identifiants

  • HAL Id : cea-04662935 , version 1

Citer

Jair Santillan Saldivar, Antoine Beylot, Stéphanie Muller, Emmanuelle Cor, Elise Monnier. Estimation of potential economic value losses due to resource dissipation in LCA through the EVDP method: A case on LIB recycling. SETAC 2023, Apr 2023, Dublin, Ireland. ⟨cea-04662935⟩
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