**Author details**

Igor Cretescu1 \*, Dorina Nicolina Isopescu2 , Doina Lutic3 \* and Gabriela Soreanu1

1 Department of Environmental Engineering and Management, Faculty of Chemical Engineering and Environmental Protection, "Gheorghe Asachi" Technical University of Iasi, Iasi, Romania

2 Faculty of Civil Engineering and Building Services, "Gheorghe Asachi" Technical University of Iasi, Iasi, Romania

3 Department of Material Chemistry, Faculty of Chemistry, "Alexandru Ioan Cuza" University, Iasi, Romania

\*Address all correspondence to: icre1@yahoo.co.uk and doilub@uaic.ro

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
