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CuO-filled aminomethylated polysulfone hybrid membranes for deep desulfurization

Authors

  • Yan Xia,

    1. Department of Chemical & Biochemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, The College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
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  • Guang Lu Han,

    1. Department of Chemical & Biochemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, The College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
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  • Qiu Gen Zhang,

    1. Department of Chemical & Biochemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, The College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
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  • Yi Gong,

    1. Department of Chemical & Biochemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, The College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
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  • Ian Broadwell,

    1. Department of Chemical & Biochemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, The College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
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  • Qing Lin Liu

    Corresponding author
    • Department of Chemical & Biochemical Engineering, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, The College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
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Correspondence to: Q. L. Liu (Email: qlliu@xmu.edu.cn)

ABSTRACT

CuO-filled aminomethylated polysulfone hybrid membranes were prepared for sulfur removal from gasoline. The as-prepared membranes were characterized using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and X-ray diffraction (XRD). The separation performance of the hybrid membranes was evaluated by pervaporation (PV) separation of n-heptane/thiophene binary mixture. CuO-filling leads to a decrease in permeation flux. The sulfur-enrichment factor increased first and then decreased with increasing CuO loading, and it is worth noting that there is a rebound in enrichment factor above 8 wt % CuO loading. Influencing factors such as nitrogen content, feed temperature, sulfur content, and various hydrocarbons on membrane PV performance were also evaluated. Permeation flux of 23.9 kg·μm·m2·h1 and sulfur-enrichment factor of 3.9 can be achieved at 4 wt % CuO loading in PV of n-heptane/thiophene binary mixture with 1500 μg·g1 sulfur content. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 3718–3725, 2013

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