1. Environmental Biologist, Dept. of Chemistry, Univ. di Roma “La Sapienza,” Piazzale Aldo Moro 5, 00185 Rome, Italy.
2. Full Professor of Chemical Engineering, Univ. de Girona, Campus Montilivi, 17071 Girona, Spain.
3. Master of Chemical Engineering, Univ. di Roma “La Sapienza,” Piazzale Aldo Moro 5, 00185 Rome, Italy.
4. Associate Professor of Chemical Engineering, Univ. di Roma “La Sapienza,” Piazzale Aldo Moro 5, 00185 Rome, Italy. E-mail mauro.majone@uniroma1.it
5. Full Professor of Chemical Engineering, Univ. di Roma “La Sapienza,” Piazzale Aldo Moro 5, 00185 Rome, Italy.