Andrea Arguillarena is currently developing a predoctoral reserach internship at in the Departamento de Ciências e Engenharia do Ambiente in the Universidade Nova de Lisboa (Lisbon, Portugal). During this period, July – Septemer 2021, she is working on the life cycle assessment of the technology proposed by the LIFE2ACID project, to include aspects related to the uncertainty analysis and the economic evaluation of the technology focusing on analysing the feasibility of the LIFE2ACID technology in relation to other technologies and to the conventional treatment of spent pickling acids. under the supervision of Graça Martinho, who is Assistant Professor in the “Departamento de Ciências e Engenharia do Ambiente”, and researcher at “MARE – Centro de Ciências do Mar e do Ambiente”.