1. Faculty of Chemical Engineering and Technology, Institute of Organic Chemistry and Technology Cracow University of Technology Warszawska 24 31‐155 Cracow Poland
2. Faculty of Chemical Engineering and Technology, Institute of Chemistry and Inorganic Technology Cracow University of Technology Warszawska 24 31‐155 Cracow Poland
3. Faculty of Environmental Engineering, Institute of Water Supply and Environmental Protection Cracow University of Technology Warszawska 24 31‐155 Cracow Poland