Bae Jae Young, Jang Su Guan
Department of Chemistry, Keimyung University, Daegu 42601, Republic of Korea.
J Nanosci Nanotechnol. 2020 Nov 1;20(11):7070-7074. doi: 10.1166/jnn.2020.18843.
Mesoporous hollow silica material (MHS) was synthesized using polystyrene as a template. Later, it was modified by wet impregnation with tetraethylenepentamine (TEPA) as a solid adsorbent for CO₂ capture. Transmission electron microscopy (TEM), X-ray diffraction (XRD), IR, and TGA were used to characterize the average diameter, shell thickness, crystalline structure, and TEPA load of the prepared adsorbents. An increase in the amount of loaded TEPA, improved the CO₂ adsorption capacity of the prepared adsorbents. The highest CO₂ adsorption capacity was obtained using a 50 wt% TEPA load (AMHS-50).
以聚苯乙烯为模板合成了介孔中空二氧化硅材料（MHS）。随后，通过用四乙烯五胺（TEPA）进行湿浸渍对其进行改性，作为用于捕获CO₂的固体吸附剂。使用透射电子显微镜（TEM）、X射线衍射（XRD）、红外光谱（IR）和热重分析（TGA）对制备的吸附剂的平均直径、壳厚度、晶体结构和TEPA负载量进行表征。负载的TEPA量的增加提高了制备的吸附剂的CO₂吸附容量。使用50 wt%的TEPA负载量（AMHS-50）获得了最高的CO₂吸附容量。
