Carbon dioxide sorption on EDTA modified halloysite Patrycja Waszczuk, Marcin Lutynski, Miguel A. Gonzalez Gonzalez, Adam Smolinski and Natalia Howaniec E3S Web Conf., 8 (2016) 01054 Published online: 16 September 2016 DOI: 10.1051/e3sconf/20160801054