CO 2 adsorption performance of amine clay adsorbent
作者： Hedi Jedli , Jihed Brahmi , Amani Chrouda , Abdessalem Jbara , Sami Garallah Almalki
DOI: 10.1007/S00339-020-04142-9
关键词:
摘要: The purpose of this article is to prepare an effective adsorbent for CO2 capture and provide detailed analyses the adsorption properties. For purpose, natural clay was modified with amine using monoethanolamine (MEA) ethylenediamine (EDA). effect characterized by FTIR XRD methods. In addition, ImageJ software joined SEM have realistic porosity segmentations. results indicate that capacity can be enhanced through modification. It observed has best capacity. equilibrium isotherms adsorption, measured at different temperatures (25, 50 75 °C), demonstrate lower capacities compared untreated clay. Adsorption were fitted Langmuir model. Based on correlation coefficient, isotherm model well suited experimental data isotherms. calculated values thermodynamic parameters revealed process involving physical, spontaneous exothermic.
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