1. Department of Chemical Engineering, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
2. bp, Chertsey Road, Sunbury-on-Thames, Middlesex, TW16 7LN, UK
3. Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali (DICAM), Alma Mater Studiorum – Università di Bologna, Via Terracini, 28, 40131 Bologna, Italy