Sequestration of carbon dioxide – influence of coal surface chemistry Agnieszka Orzechowska-Zięba, Katarzyna Zarębska, Paweł Baran and Agnieszka Ćwik E3S Web Conf., 10 (2016) 00011 Published online: 17 October 2016 DOI: 10.1051/e3sconf/20161000011