Investigation of Carbon Dioxide Adsorption on Amino-Functionalized Mesoporous Silica
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-28-6_004
تاریخ نمایه سازی: 15 آذر 1394
Abstract:
Carbon dioxide (CO2) adsorption on unfunctionalized and amino-functionalized SBA-3 materials are investigated and compared in this study. The synthesized materials are characterized by varioustechniques such as X-ray diffraction (XRD), Brunauer-Emmet-Teller (BET) method, Fourier transforminfrared (FT-IR) and Scanning electron microscopy (SEM).The isotherms of these materials have been measured using volumetric method at 298 K up to 5 bar. The adsorption capacity of CO2 bymesoporous silica was enhanced through functionalization with amine groups. It is observed that thepentaethylene hexamine functionalized SBA-3 (SBA-3/PEHA) possessed a higher adsorption capacity towards CO2 than that of the other adsorbents
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