CO2 methanation over Co–Ni catalysts Olena V. Ishchenko, Alla G. Dyachenko, Andrii V. Yatsymyrskiy, Tetiana M. Zakharova, Snizhana V. Gaidai, Vladyslav V. Lisnyak and Ruslan Mariychuk E3S Web Conf., 154 (2020) 02001 Published online: 09 March 2020 DOI: 10.1051/e3sconf/202015402001