1. International Research Centre in Critical Raw Materials (ICCRAM), University of Burgos, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain
2. Advanced Materials, Nuclear Technology and Applied Bio/Nanotechnology, Consolidated Research Unit UIC-154, Castilla y León, Spain
3. Dipartimento di Ingegneria Meccanica, Chimica e dei Materiali, Università degli Studi di Cagliari, Via Marengo 2, 09123 Cagliari, Italy
4. Centre for Process Systems Engineering, Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK