1Faculty of Chemical and Food Technology, Institute of Chemical and Environmental Engineering,
Department of Environmental Engineering, Slovak University of Technology,
Radlinského 9, 812 37 Bratislava, Slovakia
2Slovnaft, a. s., Vlčie hrdlo 1, 824 12 Bratislava, Slovakia
3Department of Chemical Engineering and Materials, Piazza d’Armi 19, 091 23 Cagliari, Italy
Pol. J. Environ. Stud. 2012;21(4):845–853