Specific types of wastewater pollution in Ostrava and possibilities of decontamination through wastewater treatment plantsJana Suchankova, Petra Roupcova, Kamila Suranova, Karel Klouda, Sarka Krocova, Jan Slany and Sandra TesarovaE3S Web Conf., 436 (2023) 10013DOI: https://doi.org/10.1051/e3sconf/202343610013