Natural gas contains a slight level of carbon dioxide which leads to several industrial and domestic heating problems. In addition, it is one of main greenhouse gases that contribute for global warming, where its pollution is a wide-spread problem arising from a wide range of industries, leading to complex contaminant in atmosphere. Given the increasing pressures worldwide to minimize the emission of greenhouse gases into atmosphere, CO2 must be remediated efficiently and cost effectively. In this short abstract a sol-gel synthesis of nano Mg/Cu-based aluminosilcate material was prepared and used for removal of CO2 from natural gas. This functionalized Mn-Al2O3-SiO2 material was characterized according to its crystalline phase, surface area, pore size distribution and surface morphology. Then it was tested against different concentrations of CO2 in CO2-N2, and CO2-CH4 gas streams. Characterized samples proved the presence of Mg and Cu in the crystalline structure of the adsorbent matrix, Surface measurements and morphology showed mesopore and amorphous structure. The isotherm capacity is synergized by the presence of Mg and Cu in Al2O3-SiO2 structure to reach 5.3 mmol/g. Regeneration of the spend adsorbent illustrated several working cycles without losing activity. Further investigation is running to study the interaction of CO2 with the surface in the presence of hydrogen for recycling of carbon dioxide to hydrocarbon.

Adsorption of CO2 from natural gas by nano Mg/Cu-Al2O3-SiO2 material

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.