Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia.
Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia.
Chemosphere. 2019 Jan;215:716-724. doi: 10.1016/j.chemosphere.2018.10.071. Epub 2018 Oct 13.
Developing highly effective adsorbents for efficient decontamination of organic pollutants from water is an evasive aim for community well-being and environmental protection. Here, we report the successful fabrication of dendritic mesoporous carbon nanoparticles (DMCNs) as an advantageous adsorbent for ultrahigh and fast adsorption of anthracene. Dendritic mesoporous organosilica nanoparticles with an octadecyl-rich framework were utilized to synthesize DMCNs through carbonization and removal of silica. The DMCNs show a high carbon content, large mesopore volume of 1.484 cm g and high surface area of 1218 m g. It is revealed that both the high carbon content and highly accessible large surface area contribute to the excellent adsorption capacity towards anthracene (947.9 mg g), which is significantly higher than those in previous reports. Furthermore, the large radial pores of DMCNs with bimodal pore size distributions (2.1 and 18.4 nm) and open pore channels allow fast adsorption kinetics. The developed materials hold promise as effective adsorbents for efficient remediation of organic pollutants.
开发高效的吸附剂以有效去除水中的有机污染物是社区福祉和环境保护的一个难以实现的目标。在这里,我们报告了树枝状介孔碳纳米粒子(DMCNs)的成功制备,它是一种用于蒽的超高和快速吸附的优势吸附剂。利用富含十八烷基的介孔有机硅纳米粒子合成 DMCNs,通过碳化和去除二氧化硅。DMCNs 具有高碳含量、1.484 cm3/g 的大介孔体积和 1218 m2/g 的高表面积。结果表明,高碳含量和高可及性的大表面积都有助于对蒽(947.9 mg/g)的优异吸附能力,这明显高于以前的报道。此外,DMCNs 的大径向孔具有双峰孔径分布(2.1 和 18.4 nm)和开放的孔道,允许快速的吸附动力学。所开发的材料有望成为有效去除有机污染物的高效吸附剂。