Szukana fraza: [Abstract = "The article presents results on investigation of the removal efficiency of selected 5\- and 6\-ring polycyclic aromatic hydrocarbons \(benzo\[a\]pyrene, benzo\[b\]fluoranthene, benzo\[k\]fluoranthene, benzo\[j\]fluoranthene, benzo\[g,h,i\]perylene, indeno\[1,2,3\-cd\]pyrene, dibenzo\[a,h\]anthracene\) from water during coagulation and sedimentation process. Two pre\-hydrolyzed aluminum coagulants\: PAX XL 19H and FLOKOR 105V were chosen for research."]