Electrospinning Synthesis of ZIF-67/PAN Fibrous Membrane with High-capacity Adsorption for Malachite Green 


Vol. 20,  No. 10, pp. 2070-2077, Oct.  2019
10.1007/s12221-019-1196-7


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  Abstract

tion, which hinders the practical application of MOFs. Integration of MOFs on polymeric fibrous membrane provides a new strategy to reach the achievements that not only keep the adsorption ability of MOFs for dyes, but also easily remove the MOF/dye complex from water. Here, we successfully synthesize zeolitic imidazole framework-67/polyacrylonitrile (ZIF-67/PAN) fibrous membrane with ZIF-67 loading ratio of 54 % by electrospinning method. The average diameters of ZIF-67 nanoparticles and ZIF-67/PAN fibers are about 200 nm and 0.72 關m, respectively. The adsorption process of MG on ZIF-67 nanoparticles or ZIF-67/PAN fibers followed a pseudo-second-order kinetic model and fitted Langmuir isotherm. The maximum adsorption capacities of ZIF-67 nanoparticles and ZIF-67/PAN fibers are 2545 and 1305 mg쨌g-1, respectively. After four regeneration cycles, the ZIF-67/PAN fibers membrane still exhibit over 92 % of the original capacity of ZIF-67/PAN fibers. In addition, ZIF-67/PAN fibers also show good adsorption abilities for Congo red (849 mg쨌g-1) and Basic fuschin (730 mg쨌g-1). Therefore, ZIF-67/PAN fibers would be as a promising adsorbent for the removal of dye in industrial application because of its simple preparation method, excellent adsorption property, ease of separation and favorable reusability.

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  Cite this article

[IEEE Style]

L. Jin, J. Ye, Y. Wang, X. Qian, M. Dong, "Electrospinning Synthesis of ZIF-67/PAN Fibrous Membrane with High-capacity Adsorption for Malachite Green," Fibers and Polymers, vol. 20, no. 10, pp. 2070-2077, 2019. DOI: 10.1007/s12221-019-1196-7.

[ACM Style]

Lina Jin, Jian Ye, Yin Wang, Xinye Qian, and Mingdong Dong. 2019. Electrospinning Synthesis of ZIF-67/PAN Fibrous Membrane with High-capacity Adsorption for Malachite Green. Fibers and Polymers, 20, 10, (2019), 2070-2077. DOI: 10.1007/s12221-019-1196-7.

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