CO2 Capture using Sodium Silicate Solution in a Packed Bed Column Srie Muljani, Heru Setyawan, Fryski Indra Irianto and Sylvanus Pridia Fransisco E3S Web Conf., 328 (2021) 01015 Published online: 06 December 2021 DOI: 10.1051/e3sconf/202132801015