1. Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 − UCCS, Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
2. Faculty of Chemical Engineering and Environmental Protection “Gheorghe Asachi” Technical University of Iasi, 73 D. Mangeron, Blvd, 700050 Iasi, Romania