Journal
CHINESE CHEMICAL LETTERS
Volume 32, Issue 5, Pages 1819-1822Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2020.11.023
Keywords
Formaldehyde; Adsorption; Hierarchical Pore; MOF-derivative; Carbon
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Funding
- National Key Research and Development Program of China [2018YFB0605200]
- Scientific Research Project of Guangzhou City [201804020026]
- National Natural Science Foundation of China [21777047]
- National Training Program of Innovation and Entrepreneurship for Undergraduates [S201910561224]
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The Zn-containing graphite carbon (Zn-GC) obtained from the pyrolysis of a Zn-based metal organic framework (MOF) showed excellent adsorption capacity for formaldehyde, with 736 times that of commercial activated carbon and 5.6 times that of ZSM-5 adsorbents. The superior performance of Zn-GC can be attributed to its surface chemical characteristics and hierarchical pore structure, indicating great potential in the field of organic pollutant removal.
A Zn-containing graphite carbon (Zn-GC) with uniform Zn metal sites and hierarchical pore structure was obtained by pyrolysis of Zn-based metal organic framework (MOF). Zn-GC exhibited excellent adsorption capacity and reproducibility for formaldehyde. The adsorption capacity of Zn-GC was 736 times that of commercial activated carbon and 5.6 times that of ZSM-5 adsorbents. The characterization and experimental results showed that the surface chemical characteristics of the adsorption material play an important role in the adsorption performance. The superior performance was attributed to Zn metal sites and oxygen-containing functional groups on the MOF derivative as well as hierarchical pore structure. The material showed a great potential in the field of organic pollutant removal. (c) 2021 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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