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. Electronic address: vilar@fe.up.pt.
2 Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering, 705 Engineering Research Center, University of Cincinnati, Cincinnati, OH 45221-0012, USA. Electronic address: dionysios.d.dionysiou@uc.edu.
3 Grupo de Investigación en Remediación Ambiental y Biocatálisis (GIRAB), Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia. Electronic address: ricardo.torres@udea.edu.co.
4 Plataforma Solar de Almería, Carretera Senés Km 4, Tabernas (Almería) 04200, Spain. Electronic address: sixto.malato@psa.es.
5 Environmental Nanocatalysis and Photoreaction Engineering, Department of Chemical Engineering, Loughborough University, Loughborough LE11 3TU, United Kingdom. Electronic address: g.lipuma@lboro.ac.uk.