Influence of geological variations on lignite drying kinetics in superheated steam atmosphere for belchatow deposit located in the central Poland

Anna Sciazko, Yosuke Komatsu, Marcin Zakrzewski, Taro Akiyama, Akira Hashimoto, Naoki Shikazono, Shozo Kaneko, Shinji Kimijima, Janusz S. Szmyd, Yoshinori Kobayashi