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      Fouling Resistant CA/PVA/TiO 2 Imprinted Membranes for Selective Recognition and Separation Salicylic Acid from Waste Water

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          Abstract

          Highly selective cellulose acetate (CA)/poly (vinyl alcohol) (PVA)/titanium dioxide (TiO 2) imprinted membranes were synthesized by phase inversion and dip coating technique. The CA blend imprinted membrane was synthesized by phase inversion technique with CA as membrane matrix, polyethyleneimine (PEI) as the functional polymer, and the salicylic acid (SA) as the template molecule. The CA/PVA/TiO 2 imprinted membranes were synthesized by dip coating of CA blend imprinted membrane in PVA and different concentration (0.05, 0.1, 0.2, 0.4 wt %) of TiO 2 nanoparticles aqueous solution. The SEM analysis showed that the surface morphology of membrane was strongly influenced by the concentration of TiO 2 nanoparticles. Compared with CA/PVA-TiO 2(0.05, 0.1, 0.2%)-MIM, the CA/PVA-TiO 2(0.4%)-MIM possessed higher membrane flux, kinetic equilibrium adsorption amount, binding capacity and better selectivity for SA. It was found that the pseudo-second-order kinetic model was studied to describe the kinetic of CA/PVA-TiO 2(0.2%)-MIM judging by multiple regression analysis. Adsorption isotherm analysis indicated that the maximum adsorption capacity for SA were 24.43 mg g −1. Moreover, the selectivity coefficients of CA/PVA-TiO 2 (0.2%)-MIM for SA relative to p-hydroxybenzoic acid ( p-HB) and methyl salicylate (MS) were 3.87 and 3.55, respectively.

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          Sustainable wastewater treatment and recycling in membrane manufacturing

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            Recent development in additives modifications of polyethersulfone membrane for flux enhancement

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              Efficient one-pot synthesis of water-compatible molecularly imprinted polymer microspheres by facile RAFT precipitation polymerization.

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                Author and article information

                Contributors
                Journal
                Front Chem
                Front Chem
                Front. Chem.
                Frontiers in Chemistry
                Frontiers Media S.A.
                2296-2646
                26 January 2017
                2017
                : 5
                : 2
                Affiliations
                [1] 1Jilin Provincial Key Laboratory for Numerical Simulation, Jilin Normal University Siping, China
                [2] 2School of Computer Science, Jilin Normal University Siping, China
                [3] 3School of Chemistry and Chemical Engineering, Jiangsu University Zhenjiang, China
                Author notes

                Edited by: Sudhirkumar Arjun Shinde, Malmö University, Sweden

                Reviewed by: Ali Nematollahzadeh, University of Mohaghegh Ardabili, Iran; Gyorgy Szekely, The University of Manchester, UK; Shih-Hui Lee, University of California, Irvine, USA

                *Correspondence: Xiaopeng Yu yyxxpp@ 123456jlnu.edu.cn

                This article was submitted to Polymer Chemistry, a section of the journal Frontiers in Chemistry

                Article
                10.3389/fchem.2017.00002
                5266684
                79f5ef31-9012-4420-baf4-dee819d8ff79
                Copyright © 2017 Yu, Mi, He, Meng, Li and Yan.

                This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

                History
                : 29 October 2016
                : 10 January 2017
                Page count
                Figures: 12, Tables: 4, Equations: 13, References: 34, Pages: 13, Words: 6568
                Funding
                Funded by: National Natural Science Foundation of China 10.13039/501100001809
                Award ID: 21277063
                Award ID: 21406085
                Award ID: U1507118
                Award ID: 21606099
                Funded by: Ministry of Education of the People's Republic of China 10.13039/501100002338
                Award ID: 20133227110022
                Award ID: 20133227110010
                Funded by: Natural Science Foundation of Jiangsu Province 10.13039/501100004608
                Award ID: BK20140580
                Award ID: BK20140534
                Award ID: BK20151350
                Funded by: China Postdoctoral Science Foundation 10.13039/501100002858
                Award ID: 2014T70488
                Categories
                Chemistry
                Original Research

                salicylic acid,cellulose acetate,titanium oxide nanoparticles,phase inversion,imprinted membranes

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