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Mesoporous carbonaceous materials prepared from used cigarette filters for efficient phenol adsorption and CO2 capture

机译:由用过的香烟过滤嘴制得的中孔碳质材料,可有效吸附苯酚和捕获二氧化碳

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摘要

Mesoporous carbonaceous materials (MCMs) with a 2-D hexagonal (p6mm) mesostructure are synthesized through evaporation induced self-assembly on the surface of cigarette filters by using phenol/formaldehyde resol as a carbon precursor, triblock copolymer F127 as the template and cigarette filters as the matrix scaffold. The obtained MCMs incorporate the advantages of cigarette filters and phenol/formaldehyde resol, and results in enhanced performance for phenol adsorption and CO2 capture. X-ray diffraction and transmission electron microscopy results indicate that the obtained carbon materials have an ordered p6mm mesostructure and good thermal stability. The MCMs possess a uniform pore size (5.1 nm), large surface area (526 m(2) g(-1)) and pore volume (0.39 cm(3) g(-1)), as well as exhibiting a considerable phenol adsorption (261.7 mg g(-1)) and CO2 capture (2.48 mmol g(-1)).
机译:以酚/甲醛甲阶酚醛树脂为碳前体,以三嵌段共聚物F127为模板,并通过香烟过滤嘴,通过在香烟过滤嘴表面上蒸发诱导自组装,合成了具有二维六边形(p6mm)介孔结构的介孔碳质材料(MCM)。作为基质支架。所获得的MCM融合了香烟过滤嘴和苯酚/甲醛甲阶酚醛树脂的优势,并提高了苯酚吸附和二氧化碳捕获的性能。 X射线衍射和透射电子显微镜结果表明,所得碳材料具有有序的p6mm介观结构和良好的热稳定性。 MCM具有均匀的孔径(5.1 nm),较大的表面积(526 m(2)g(-1))和孔体积(0.39 cm(3)g(-1)),并显示出可观的苯酚吸附(261.7 mg g(-1))和CO2捕集(2.48 mmol g(-1))。

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