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Size control of SBA-15 by tuning the stirring speed for the formation of CMK-3 with distinct adsorption performance
  • 时间:0
  • 分类:O[理学]
  • 作者机构:Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University,Wenzhou 325027, China
  • 相关基金:This work was supported by the National Natural Science Foundation of China (Nos. 21541005 and 51420105002), and the Natural Science Foundation of Zhejiang Province (NSFZJ) (No. LY14B010002).
中文摘要:

控制 SBA-15 的尺寸能为利用 CMK-3 是有益的,它有优秀结构的参数,为在吸附或催化进程的更好的性能。在这研究,独立 SBA-15 杆的宽度被简单地在合成期间改变激动人心的力量乐意地并且成功地调整。更高激动人心的率与更大的宽度生产了 SBA-15 杆。然后, CMK-3 杆的尺寸被不同尺寸的 SBA-15 的复制调整。结果证明更大的大小的 CMK-3 有更高特定的表面区域和毛孔体积,它导致了一个更高的吸附能力和更快的吸附率。这里报导的合成方法为在水纯化和催化作用为申请开发更好的 mesoporous 碳是强大的,这被相信。

英文摘要:

Controlling the size of SBA-15 can be beneficial for exploiting CMK-3, which has excellent structural parameters, for better performance in adsorption and/or catalytic processes. In this study, the width of freestanding SBA-15 rods was readily and successfully regulated by simply altering the stirring power during the synthesis. A higher stirring rate produced SBA-15 rods with larger width. Then, the size of the CMK-3 rods was adjusted by duplication of the different- sized SBA-15. The results show that the larger sized CMK-3 has higher specific surface area and pore volume, which led to a higher adsorption capacity and a faster adsorption rate. It is believed that the synthetic method reported here is powerful for developing better mesoporous carbon for application in water purification and catalysis.

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