RT info:eu-repo/semantics/article
T1 Reinventing exergy as indicator for resource depletion impacts in LCA
A1 Peters, Jens
K1 Resource depletion
K1 Exergy
K1 Impact assessment
K1 Life cycle assessment
K1 Dissipation
K1 Economía
K1 Economics
AB While resource aspects are gaining increasing importance for the  sustainability assessment of new technologies, the question of how to  assess the depletion of abiotic resources is still controversially  discussed. Different methodologies exist for their quantification within  life cycle assessment (LCA). Among them, thermodynamic approaches have  the advantage of considering aspects of absolute quantity (reserves or  amount of a substance contained in total in earth's crust) and of  quality (concentration of the target element in the mined resource),  making them a potentially appealing approach for assessing resource  depletion. However, existing approaches are either far from the original  thermodynamic idea of exergy or far too complex and not applicable for  resource accounting. This work briefly discusses the suitability of  exergy-based approaches for resource assessment, and then suggests a  simple but comprehensive methodology for quantifying resource depletion  related with the concept of chemical concentration exergy (MDPces). It provides a calculation approach for quantifying the MDPces and estimates the corresponding values for some representative key metals.
SN 0032-6895
YR 2021
FD 2021-04-24
LK http://hdl.handle.net/10017/47987
UL http://hdl.handle.net/10017/47987
LA eng
DS MINDS@UW
RD 25-abr-2024