Fabrication of Polyether Sulfone Blend Imprinted Membranes for Selective Adsorption of p-hydroxybenzonic from Salicylic Acid 


Vol. 19,  No. 5, pp. 977-986, May  2018
10.1007/s12221-018-1106-4


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  Abstract

Highly selective polyether sulfone (PES) blend imprinted membranes for template p-hydroxybenzonic (p-HB) were synthesized by phase inversion imprinting technique using polybenzimidazoles (PBI) as a functional polymer and nanosized Al2O3 as the additives. The SEM analysis showed that cross-sectional morphology of membranes were strongly influenced by the content of nano-sized Al2O3. Compared with PES1-MIM, PES2-MIM and PES4-MIM, the PES3-MIM containing 2.0 wt.% nano-sized Al2O3 exhibited higher membrane flux, kinetic equilibrium adsorption value, binding capacity and better selectivity for p-HB. The experimental data of adsorption kinetic were well fitted to the pseudo-secondorder kinetic model using multiple regression analysis. Static adsorption isotherm experiments exhibited that the PES3-MIM had the maximum adsorption capacity for p-HB. Moreover, selective experiment showed that the selectivity coefficients of PES3-MIM for p-HB relative to salicylic acid (SA) was 3.670, showing that PES3-MIM had excellent binding affinity and selectivity for separating p-HB form p-HB-contained aqueous solution.

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  Cite this article

[IEEE Style]

X. Li, J. Chen, C. Yang, "Fabrication of Polyether Sulfone Blend Imprinted Membranes for Selective Adsorption of p-hydroxybenzonic from Salicylic Acid," Fibers and Polymers, vol. 19, no. 5, pp. 977-986, 2018. DOI: 10.1007/s12221-018-1106-4.

[ACM Style]

Xiaolei Li, Jun Chen, and Chaofen Yang. 2018. Fabrication of Polyether Sulfone Blend Imprinted Membranes for Selective Adsorption of p-hydroxybenzonic from Salicylic Acid. Fibers and Polymers, 19, 5, (2018), 977-986. DOI: 10.1007/s12221-018-1106-4.

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pISSN : 1229 - 9197
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