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Preparation of High Flux GO/PS-DVB/PAN Membrane by Filtering Layer-by-Layer Assembly Method for Adsorption of Antibiotics from Water

The poor filtration properties of graphene oxide (GO) membrane limit its application in industry. Graphene oxide/polystyrene-divinylbenzene (PS-DVB) membranes were prepared by vacuum filtering layer-by-layer assembly method on a polyacrylonitrile (PAN) substrate membrane. The adsorption kinetics, ad...

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Published in:Journal of inorganic and organometallic polymers and materials 2023-08, Vol.33 (8), p.2292-2304
Main Authors: Hu, Yacong, Chen, Yonghao, Guo, Yuexin, Liu, Chunyan, Gao, Yuechun, Xiong, Yanan, Jia, Zhiqian, Wang, Xin, Zhang, Xu, Li, Huiying, Zhu, Yanping
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Language:English
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Summary:The poor filtration properties of graphene oxide (GO) membrane limit its application in industry. Graphene oxide/polystyrene-divinylbenzene (PS-DVB) membranes were prepared by vacuum filtering layer-by-layer assembly method on a polyacrylonitrile (PAN) substrate membrane. The adsorption kinetics, adsorption isotherm and permeation performance of tetracycline (TC) and ciprofloxacin (CIP) in aqueous solution on the GO/PS-DVB/PAN membranes were investigated. The results revealed that the adsorption of two antibiotics fitted well with pseudo-second-order kinetics model and Langmuir isothermal adsorption model, with the maximum adsorption capacities of 22.79 and 46.69 mg g −1 for TC and CIP, respectively. The adsorption process was dominated by chemical adsorption. The results of membrane permeability showed that GO/PS-DVB/PAN membrane had high water flux, and the retention rate of antibiotics reached 100%. A high performance liquid chromatography method for determination of antibiotics was also established and the methodology was investigated. The GO/PS-DVB/PAN membrane has broad application prospect for removing antibiotics from water.
ISSN:1574-1443
1574-1451
DOI:10.1007/s10904-023-02665-1