Properties of catalyst for iron and manganese oxidation in filter materials Joanna Jeż-Walkowiak, Malgorzata Komorowska-Kaufman, Zbysław Dymaczewski, Marek M. Sozański and Przemysław Zakrzewski E3S Web Conf., 59 (2018) 00014 Published online: 16 October 2018 DOI: 10.1051/e3sconf/20185900014