Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/95912
Title: Optimizing the Life Cycle of Physical Assets through an Integrated Life Cycle Assessment Method
Authors: Pais, José Edmundo de Almeida
Raposo, Hugo D. N. 
Farinha, José Torres 
Cardoso, Antonio J. Marques
Marques, Pedro Alexandre
Keywords: Asset management; Circular economy; Econometric model; ISO 5500X; Life cycle assessment; Optimization; Physical assets; Sustainability
Issue Date: 2021
Publisher: MDPI
Project: info:eu-repo/grantAgreement/EC/H2020/871284/EU/Self-sufficient humidity to electricity Innovative Radiant Adsorption System Toward Net Zero Energy Buildings 
POCI-01-0145-FEDER-029494 
PTDC/EEI-EEE/29494/2017 
UIDB/04131/2020 
UIDP/04131/2020 
Serial title, monograph or event: Energies
Volume: 14
Issue: 19
Abstract: The purpose of this study was to apply new methods of econometric models to the Life Cycle Assessment (LCA) of physical assets, by integrating investments such as maintenance, tech-nology, sustainability, and technological upgrades, and to propose a means to evaluate the Life Cycle Investment (LCI), with emphasis on sustainability. Sustainability is a recurrent theme of existing studies and will be a concern in coming decades. As a result, equipment with a smaller environmental footprint is being continually developed. This paper presents a method to evaluate asset depreciation with an emphasis on the maintenance investment, technology depreciation, sustaina-bility depreciation, and technological upgrade investment. To demonstrate the value added of the proposed model, it was compared with existing models that do not take the previously mentioned aspects into consideration. The econometric model is consistent with asset life cycle plans as part of the Strategic Asset Management Plan of the Asset Management System. It is clearly demonstrated that the proposed approach is new and the results are conclusive, as demonstrated by the presented models and their results. This research aims to introduce new methods that integrate the factors of technology upgrades and sustainability for the evaluation of assets’ LCA and replacement time. Despite the increase in investment in technology upgrades and sustainability, the results of the Integrated Life Cycle Assessment First Method (ILCAM1), which represents an improved approach for the analyzed data, show that the asset life is extended, thus increasing sustainability and pro-moting the circular economy. By comparison, the Integrated Life Cycle Investment Assessment Method (ILCIAM) shows improved results due to the investment in technology upgrades and sus-tainability. Therefore, this study presents an integrated approach that may offer a valid tool for decision makers. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
URI: http://hdl.handle.net/10316/95912
ISSN: 1996-1073
DOI: 10.3390/en14196128
Rights: openAccess
Appears in Collections:I&D CEMMPRE - Artigos em Revistas Internacionais

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