Pełech, IwonaStaciwa, PiotrSibera, DanielKusiak-Nejman, EwelinaMorawski, Antoni W.Kapica-Kozar, JoannaNarkiewicz, Urszula2024-04-242024-04-242022-02Pełech Iwona, Staciwa Piotr, Sibera Daniel, Kusiak-Nejman Ewelina, Morawski Antoni W., Kapica-Kozar Joanna, Narkiewicz Urszula (2022). The Effect of the Modification of Carbon Spheres with ZnCl2 on the Adsorption Properties towards CO 2, Molecules, Vol. 27, iss. 4, pp. 1-20, no. art. 1387. http://hdl.handle.net/20.500.12539/2004http://hdl.handle.net/20.500.12539/2004Zinc chloride and potassium oxalate are often applied as activating agents for carbon materials. In this work, we present the preparation of ZnO/carbon spheres composites using resorcinol-formaldehyde resin as a carbon source in a solvothermal reactor heated with microwaves. Zinc chloride as a zinc oxide source and potassium oxalate as an activating agent were applied. The effect of their addition and preparation conditions on the adsorption properties towards carbon dioxide at 0 degrees C and 25 degrees C were investigated. Additionally, for all tested sorbents, the CO2 sorption tests at 40 degrees C, carried out utilizing a thermobalance, confirmed the trend of sorption capacity measured at 0 and 25 degrees C. Furthermore, the sample activated using potassium oxalate and modified using zinc chloride (a carbon-to-zinc ratio equal to 10:1) displayed not only a high CO2 adsorption capacity (2.69 mmol CO2/g at 40 degrees C) but also exhibited a stable performance during the consecutive multicycle adsorption-desorption process.enAttribution-NonCommercial-NoDerivs 3.0 Polandcarbon spherescarbon dioxide adsorptionmicrowave reactorzinc oxidezinc chlorideadsorptioninżynieria chemicznaArticle10.3390/molecules27041387NOR/POLNORCCS/PhotoRed/0007/ 2019-00