活性炭填充PEG/PVDF杂化膜的脱硫性能

doi:10.11949/j.issn.0438-1157.20171101

化工学报 ›› 2018, Vol. 69 ›› Issue (2): 866-872.DOI: 10.11949/j.issn.0438-1157.20171101

• 材料化学工程与纳米技术 • 上一篇下一篇

活性炭填充PEG/PVDF杂化膜的脱硫性能

张杏梅¹, 胡文玲², 孙鹤翔², 韩小龙^2,3, 王玉琪²

1 西安文理学院化学工程学院, 陕西西安 710065;
2 西北大学化工学院, 陕西西安 710069;
3 化学工程联合国家重点实验室, 清华大学化学工程系, 北京 100084

收稿日期:2017-08-14 修回日期:2017-12-21 出版日期:2018-02-05 发布日期:2018-02-05
通讯作者: 韩小龙
基金资助:
化学工程联合国家重点实验室开放基金项目（SKL-ChE-16A04）；陕西省教育厅专项科研计划项目（16JK1755）；西安市科技计划项目（2017CGWL28）；西北大学研究生自主创新项目（YZZ17135）。

Desulfurization performance of activated carbon filled PEG/PVDF hybrid membrane

ZHANG Xingmei¹, HU Wenling², SUN Hexiang², HAN Xiaolong^2,3, WANG Yuqi²

1 School of Chemical Engineering, Xi'an University, Xi'an 710065, Shaanxi, China;
2 School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China;
3 State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

Received:2017-08-14 Revised:2017-12-21 Online:2018-02-05 Published:2018-02-05
Supported by:
supported by the State Key Laboratory of Chemical Engineering(SKL-ChE-16A04), the Natural Science Foundation of Education Department of Shaanxi Provincial Government(16JK1755), the Natural Science Foundation of Xi'an (2017CGWL28) and the Research Innovation Program for College Graduates of NWU(YZZ17135).

摘要/Abstract

摘要：

制备了不同活性炭（AC）填充量的AC-PEG/PVDF杂化膜，并对其形貌与结构进行了相应的表征。以噻吩/正庚烷混合物作为模拟汽油体系，研究了所制备AC-PEG杂化膜的渗透汽化脱硫性能。研究表明，填充活性炭后，膜的脱硫性能明显提高。当活性炭填充量为5%，温度为85℃时，与未填充的PEG膜相比，AC-PEG/PVDF杂化膜的渗透通量由0.43 kg·（m²·h）^-1提高至1.14 kg·（m²·h）^-1，富硫因子由7.29提高至9.47。

关键词: 活性炭, PEG, 渗透汽化, 脱硫

Abstract:

Activated carbon filled PEG/VPDF membranes with different activated carbon (AC) loading were prepared. The morphology and structure of the prepared AC-PEG/PVDF hybrid membranes were characterized. The thiophene/n-heptane mixture was used as a simulated gasoline system, the desulfurization of membranes were studied systematically. The results showed that the desulfurization of the AC-PEG/PVDF hybrid membranes were improved. When the content of activated carbon is 5% and the temperature is 85℃, the permeation flux and sulfur enrichment factor of the membrane were improved from 0.43 kg·(m²·h)^-1 and 7.29 to 1.14 kg·(m²·h)^-1 and 9.47, respectively.

Key words: activated carbon, PEG, pervaporation, desulfurization

中图分类号:

TQ028.8

张杏梅, 胡文玲, 孙鹤翔, 韩小龙, 王玉琪. 活性炭填充PEG/PVDF杂化膜的脱硫性能[J]. 化工学报, 2018, 69(2): 866-872.

ZHANG Xingmei, HU Wenling, SUN Hexiang, HAN Xiaolong, WANG Yuqi. Desulfurization performance of activated carbon filled PEG/PVDF hybrid membrane[J]. CIESC Journal, 2018, 69(2): 866-872.

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[10] LIN L, ZHANG Y, KONG Y. Pervaporation separation of n-heptane/thiophene mixtures by polyethylene glycol membranes:Modeling and experimental[J]. Journal of Colloid & Interface Science, 2009, 339(1):152-159.
[11] KONG Y, LIN L, YANG J, et al. FCC gasoline desulfurization by pervaporation:Effects of gasoline components[J]. Journal of Membrane Science, 2007, 293(1-2):36-43.
[12] CHEN J, LI J, CHEN J, et al. Pervaporation separation of ethyl thioether/heptane mixtures by polyethylene glycol membranes[J]. Separation & Purification Technology, 2009, 66(3):606-612.
[13] YANG Z J, ZHANG W, LI J D, et al. Preparation and characterization of PEG/PVDF composite membranes and effects of solvents on its pervaporation performance in heptane desulfurization[J]. Desalination & Water Treatment, 2012, 46(1):1-11.
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[15] 何玉鹏,王志,乔志华,等. 含有MCM-41分子筛的混合基质复合膜用于CO₂分离[J]. 化工学报,2015, 66(10):3979-3990. He Y P, WANG Z, QIAO Z H, et al. Novel mixed matrix composite membranes containing MCM-41 for CO₂ separation[J]. CIESC Journal, 2015, 66(10):3979-3990
[16] LIN L, ZHANG Y, HONG L. Pervaporation and sorption behavior of zeolite-filled polyethylene glycol hybrid membranes for the removal of thiophene species[J]. Journal of Colloid & Interface Science, 2010, 350(350):355-360.
[17] 余谟鑫,李忠,夏启斌,等. 活性炭表面热氧化对其吸附二苯并噻吩性能的影响[J]. 化工学报,2007, 58(4):938-943. Yu M X, Li Z, Xia Q B, et al. Effect of thermal oxidation of activated carbon surface on its adsorption of dibenzothiophene[J]. 2007, 58(4):938-943.
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[19] HU W L, HAN X L, LIU L L, et al. PEG/PVDF Membranes for Separating Organosulphur Compoundsfrom N-Heptane:Effect of PEG Molecular Weight[J]. Canadian Journal of Chemical Engineering, 2017,95:364-371.
[20] CACCAMO M T, MAGAZU S. Tagging the oligomer-to-polymer crossover on PEG and PEGs by infrared and Raman spectroscopies and by wavelet cross-correlation spectral analysis[J]. Vibrational Spectroscopy, 2016, 85:222-227.
[21] YANG Z, WANG T, ZHAN X, et al. Poly[bis(p-methyl phenyl) phosphazene] pervaporative membranes for separating organosulfur compounds from n-Heptane and its surface Functionalization[J]. Industrial & Engineering Chemistry Research, 2013, 52(38):13801-13809.
[22] YANG Z, WEI Z, TAO W, et al. Improved thiophene solution selectivity by Cu2+, Pb2+ and Mn2+ ions in pervaporative poly[bis(p-methyl phenyl) phosphazene]desulfurization membrane[J]. Journal of Membrane Science, 2014, 454(6):463-469.
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[24] FREEMAN B D. Basis of Permeability/Selectivity Tradeoff Relations in Polymeric Gas Separation Membranes[J]. Macromolecules, 1999, 32(2):375-380.
[25] BAKER R W, WIJMANS J G, HUANG Y, Permeability, permeance and selectivity:A preferred way of reporting pervaporation performance data[J]. Journal of Membrane Science, 2010, 348:346-352.
[26] WIJMANS J G, BAKER R W, A simple predictive treatment of the permeation process in pervaporation[J]. Journal of Membrane Science, 1993, 79:101-113.
[27] QI R, ZHAO C, LI J, et al. Removal of thiophenes from n-octane/thiophene mixtures by pervaporation[J]. Journal of Membrane Science, 2006, 269(1-2):94-100.
[28] QI R, WANG Y, LI J, et al. Pervaporation separation of alkane/thiophene mixtures with PDMS membrane[J]. Journal of Membrane Science, 2006, 280(1/2):545-552.
[29] YU S, JIANG Z, DING H, et al. Elevated pervaporation performance of polysiloxane membrane using channels and active sites of metal organic framework Cu-BTC[J]. Journal of Membrane Science, 2015, 481:73-81.
[30] YANG D, YANG S, JIANG Z, et al. Polydimethyl siloxane-graphene nanosheets hybrid membranes with enhanced pervaporative desulfurization performance[J]. Journal of Membrane Science, 2015, 487:152-161.

活性炭填充PEG/PVDF杂化膜的脱硫性能

Desulfurization performance of activated carbon filled PEG/PVDF hybrid membrane

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