EQUILIBRIUM AND KINETICS STUDIES REGARDING THE ADSORPTION OF COPPER(II) IONS BY VARIOUS TYPES OF CHITOSAN BEADS

B. VLAD-OROS, D. DASCALU, Z. DUDAS, H. POPOVICI, G. PREDA, V. OSTAFE West University of Timisoara, Faculty of Chemistry, Biology, Geography, Department of Biology Chemistry, 16 Pestalozzi, 300115 Timisoara, Romania, West University of Timisoara, Advanced Environmental Research Laboratory, 4 Oituz, 300086, Timisoara, Romania University „Al. I. Cuza” from Iasi, 11 Carol I, Iasi, Romania (temporally affiliated) Institute of Chemistry Timisoara of Romanian Academy, 24 Mihai Viteazul, 300223 Timisoara, Romania