[1
] Department of Environmental Engineering and Management, Faculty of Chemical Engineering
and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 73 Prof
Dr Docent Dimitrie Mangeron Street, 700050 Iasi, Romania
[2
] Petru Poni Institute of Macromoecularl Chemistry, 41A Grigore Ghica Voda Alley, 700487
Iasi, Romania
[3
] DICAM, Alma Mater Studiorum University of Studies of Bologna, 2 Risorgimento Street,
40136 Bologna, Italy
[4
] Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania