The influence of the modification of acidic montmorillonites with polyacrylamide and copper deposition on SCR-NH3 catalytic performanceKatarzyna Świrk, Monika Motak, Teresa Grzybek, Cezary Czosnek and Paweł KniaźE3S Web Conf., 14 (2017) 02037DOI: https://doi.org/10.1051/e3sconf/20171402037