1 Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal. vilar@fe.up.pt.
2 Department of Environmental Science, Faculty of Science, Nanotechnology and Bio-Engineering Research Group, Institute of Technology Sligo, Ash Lane, Sligo, Ireland.
3 Laboratory of Physical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
4 Department of Chemical Engineering, University of Patras, Caratheodory 1, University Campus, 26504, Patras, Greece.
5 Laboratory for Environmental Sciences and Engineering, Department of Inorganic Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, SI-1001, Ljubljana, Slovenia.