TY - JOUR N2 - The article presents research results of the introduction of powdery activated carbon to the existing technological system of the groundwater treatment stations in a laboratory, pilot plant and technical scale. The aim of the research was to reduce the content of organic compounds found in the treated water, which create toxic organic chlorine compounds (THM) after disinfection with chlorine. Nine types of powdery active carbons were tested in laboratory scale. The top two were selected for further study. Pilot plant scale research was carried out for the filter model using CWZ-30 and Norit Sa Super carbon. Reduction of the organic matter in relation to the existing content in the treated water reached about 30%. Research in technical scale using CWZ-30 carbon showed a lesser efficiency with respect to laboratory and pilot-plant scale studies. The organic matter decreased by 15%. Since filtration is the last process before the individual disinfection, an alternative solution is proposed, i.e. the second stage of filtration with a granular activated carbon bed, operating in combined sorption and biodegradation processes. The results of tests carried out in pilot scale were fully satisfactory with the effectiveness of 70–100%. L1 - http://www.czasopisma.pan.pl/Content/102531/PDF/aep-2017-0031.pdf L2 - http://www.czasopisma.pan.pl/Content/102531 PY - 2017 IS - No 3 DO - 10.1515/aep-2017-0031 KW - groundwater KW - powdery activated carbon KW - granular activated carbon KW - organic matter KW - biosorption A1 - Kaleta, Jadwiga A1 - Kida, Małgorzata A1 - Koszelnik, Piotr A1 - Papciak, Dorota A1 - Puszkarewicz, Alicja A1 - Tchórzewska-Cieślak, Barbara PB - Polish Academy of Sciences VL - vol. 43 DA - 2017.09.30 T1 - The use of activated carbons for removing organic matter from groundwater UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/102531 T2 - Archives of Environmental Protection ER -