Preparation and Catalytic Performance of Amidoximated Polyacrylonitrile Bimodal Nanofiber Iron Complexes 


Vol. 23,  No. 5, pp. 1244-1255, May  2022
10.1007/s12221-022-4682-2


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  Abstract

To balance the specific surface area and porous structure of nanofibrous heterogeneous Fenton catalyst for the rapid transfer of dye molecules during dye-containing wastewater treatment, a polyacrylonitrile nanofiber with bimodal diameter distribution (n-PAN-D) was prepared and amidoximated, followed by coordinating with Fe3+ ion (Fe-AO-n-PAND). The modification and coordination process hardly changed the fiber morphology and bimodal diameter distribution of nanofiber membrane. The amidoximated degree of n-PAN-D increased with the increase of the diameter difference, and the coordination ability of amidoximated n-PAN-D decreased with increasing the diameter difference. Fe-AO-n-PAN-D had better catalytic activity than those with similar thick or thin nanofiber diameters due to the rapid mass transfer of dye molecules in the catalyst. The possible oxidation and degradation pathway of Reactive Red 195 in the Fe-AO-n-PAN-D/H2O2 system was proposed. And the series of reactions may not gradually occur because of the non-selective oxidation of

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  Cite this article

[IEEE Style]

F. Li, P. Fei, Y. Dong, M. Zhang, Y. Feng, S. Liu, L. Jia, H. Zhang, Z. Ni, "Preparation and Catalytic Performance of Amidoximated Polyacrylonitrile Bimodal Nanofiber Iron Complexes," Fibers and Polymers, vol. 23, no. 5, pp. 1244-1255, 2022. DOI: 10.1007/s12221-022-4682-2.

[ACM Style]

Fu Li, Pengfei Fei, Yongchun Dong, Man Zhang, Yu Feng, Shuqiang Liu, Lu Jia, Hulin Zhang, and Zhen Ni. 2022. Preparation and Catalytic Performance of Amidoximated Polyacrylonitrile Bimodal Nanofiber Iron Complexes. Fibers and Polymers, 23, 5, (2022), 1244-1255. DOI: 10.1007/s12221-022-4682-2.

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pISSN : 1229 - 9197
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