Study on adsorption of copper ion from aqueous solution by MOF-derived nanoporous carbon

Nanoporous carbons (NC) materials are synthesized by direct carbonization of zeolitic imidazolate framework (ZIF-8), a well-known metal organic framework (MOF). Here we study the efficiency of the obtained MOF-derived nanoporous carbon (MOF-NC) particles as adsorbent for the removal of copper (Cu) i...

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Bibliographic Details
Published in:Microporous and mesoporous materials 2015-11, Vol.217, p.173-177
Main Authors: Bakhtiari, Nastaran, Azizian, Saeid, Alshehri, Saad M., Torad, Nagy L., Malgras, Victor, Yamauchi, Yusuke
Format: Article
Language:English
Subjects:
Adsorption
Carbon
Copper ion
MOF
Nanoporous material
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Summary:Nanoporous carbons (NC) materials are synthesized by direct carbonization of zeolitic imidazolate framework (ZIF-8), a well-known metal organic framework (MOF). Here we study the efficiency of the obtained MOF-derived nanoporous carbon (MOF-NC) particles as adsorbent for the removal of copper (Cu) ions from an aqueous solution. The adsorption behavior is carefully studied from both kinetic and equilibrium point of view from which the obtained data can be described with different models. The efficiency of MOF-NC for removing Cu ion is compared with other carbonaceous adsorbents. The effect of solution pH and temperature on the removal percentage is also studied. [Display omitted] •Removal percentage of copper ion by MOF-NC is higher than other activated carbons.•The rate of copper ion removal is controlled by both diffusion and adsorption.•Surface hydroxyl and carboxyl groups act as active sites for adsorption of Cu ion.
ISSN:1387-1811
1873-3093
DOI:10.1016/j.micromeso.2015.06.022