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Synthesis and pervaporation performance of high-reproducibility silicalite-1 membranes

  • Articles/Inorganic Chemistry
  • Published:
Chinese Science Bulletin

Abstract

High-reproducibility silicalite-1 membranes were synthesized on silica tubes by in-situ hydrothermal synthesis, and the relative standard deviation (R.S.D.) of average separation factor for eight membranes was only 7.5%. By using an effective method called “solution-filling (SF)”, the average flux of membranes prepared with SF method was improved by about 49% compared to membranes prepared without SF method, and the highest flux of membrane prepared with SF method towards ethanol/H2O mixture at 80 °C was 1.49 kg/(m2·h). Pervaporation experiments showed that the fluxes of silicalite-1 membranes at 60 °C were 2.63, 0.87, 0.24, and 0.20 kg/(m2·h) towards methanol/H2O, ethanol/H2O, 2-propanol/H2O, and 1-propanol/H2O mixtures, respectively, and the corresponding separation factors were 22, 69, 81, and159, respectively.

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Authors and Affiliations

  1. Key Laboratory of Eco-remediation of Contaminated Environment and Resources Reuse of Ministry of Education, Shenyang University, Shenyang, 110044, China

    HongLiang Chen

  2. State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China

    HongLiang Chen, YanShuo Li, GuangQi Zhu, Jie Liu & WeiShen Yang

Authors
  1. HongLiang Chen
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  2. YanShuo Li
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  3. GuangQi Zhu
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  4. Jie Liu
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  5. WeiShen Yang
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Corresponding author

Correspondence to HongLiang Chen.

Additional information

Supported by the National Advanced Materials Committee of China (Grant No. 2003AA328010) and the Ministry of Science and Technology of China (Grant No. G2003CB615802)

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Chen, H., Li, Y., Zhu, G. et al. Synthesis and pervaporation performance of high-reproducibility silicalite-1 membranes. Chin. Sci. Bull. 53, 3505–3510 (2008). https://doi.org/10.1007/s11434-008-0481-4

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  • DOI: https://doi.org/10.1007/s11434-008-0481-4

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