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CO₂ Transformation at Controlled Temperature with lithium hydroxide solution and Metallic lithium

Journal of Minerals and Materials Characterization and Engineering 2024年第3期12卷 189-203页

作者： Elizabeth Teresita Romero-Guzmán José Luis Iturbe-García Departamento de Quí mica Gerencia de Ciencias B&#225sicas Instituto Nacional de Investigaciones Nucleares Carretera M&#233xico-Toluca S/N. La Marquesa Ocoyoac&#225c Estado de M&#233xico Mexico

This paper presents a study on CO2 atmospheric transformation which was reacted directly with lithium hydroxide solution and metallic lithium. This solution was obtained through the reaction between metallic lithium and deionized water where hydrogen is produced and by exposing the metal at ambient conditions. In the transformation process, atmospheric CO2 gas reacts directly with LiOH solution, in both cases, the CO2 transformation kinetics was different. For this purpose, reactions between CO2 and LiOH solution were carried out under controlled temperature and the second process only with metallic lithium, which was exposed at room temperature, however, in these two processes lithium carbonate oxide was formed and identified. According to the results, the efficiency in CO2 transformation is a function of temperature value which was variable until completely obtaining the by-product, its XRD characterization indicated the formation only of Li2CO3 in both procedures. Under laboratory conditions lithium compounds selectively reacted with CO2. In the same way, there is an alternative procedure to obtain LiOH and Li2CO3 for different applications in various areas.

关键词： Metallic lithium lithium hydroxide solution Hydrogen Atmospheric CO2 Transformation lithium Carbonate

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