Chosen properties of activated chars from brown coal derived humic acids

by Filozof-Niescior, Anna, Kaczmarzcyk, Jan, Siemieniewska, Teresa
Source: 1. 8th Conference on environment and mineral processing, part 2 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2004 1. 80-248-0559-6 1. S. 319-322