Pervaporation studies of n-hexane, benzene, mesitylene and their mixtures on zeolitic imidazolate framework-8 membranes

Diestel, Lisa; Bux, Helge; Wachsmuth, Dennis; Caro, Jürgen

doi:10.1016/j.micromeso.2012.06.031

Cited by 100 publications

(84 citation statements)

References 53 publications

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“…In the following, just a few of them shall be mentioned. Thus, molecules with critical diameter substantially exceeding the XRD window size of ZIF-8 (3.4 Å) were found to be adsorbed [15][16][17][18][19][20]. This is attributed to the flexibility of the ZIF-8 structure.…”

Section: Introductionmentioning

confidence: 96%

Characteristic features of molecular transport in MOF ZIF-8 as revealed by IR microimaging

Chmelik

2015

Microporous and Mesoporous Materials

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Section: Introductionmentioning

confidence: 96%

Characteristic features of molecular transport in MOF ZIF-8 as revealed by IR microimaging

Chmelik

2015

Microporous and Mesoporous Materials

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“…The crystals grow in a specific direction depending on different natural gel precursors. Synthesis of ZIF‐8 with particle size and crystalline morphology control is opening application opportunities in catalysis, gas adsorption and separation, as well as layered material synthesis …”

Section: Introductionmentioning

confidence: 99%

Preparation of nano‐ZIF‐8 in methanol with high yield

Ta¹,

Nguyen²,

Trinh³

et al. 2018

Can J Chem Eng

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This article systematically presented analysis results of factors affecting the preparation of nano‐ZIF‐8 in methanol for high yield. Samples were characterized by X‐ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), Brunauer‐Emmett‐Teller (BET) adsorption, and thermogravimetry‐differential thermal analysis (TG/DTA). Synthesized nano‐ZIF‐8 had advantages over commercial ZIF‐8 (Basolite® Z1200 from Sigma‐Aldrich) such as a higher surface area, consisting of not only micropores like Basolite® Z1200 but also subordinate mesopores, formed by an assembly of nano‐ZIF‐8 crystals, which was 30 nm. Specifically, for the first time, nano‐ZIF‐8 was prepared in methanol with the yield of 61.2 %.

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“…For pure MOF membranes supported on porous substrates, the main targets have been the separation of gases such as H 2 and CO 2 , but there have been only a few investigations into pervaporation. The pervaporation performance of ZIF‐8 membrane, which is the most highly investigated MOF for gas separation, was evaluated by Diestel et al and it exhibited a separation factor of 8.4 for n ‐hexane/benzene . Lin and co‐workers reported the pervaporation performance of ZIF‐71 and found separation factors of 6.07 and 21.38 for EtOH/water and MeOH/water, respectively .…”

Section: Introductionmentioning

confidence: 99%

An Organoselective Zirconium‐Based Metal–Organic‐Framework UiO‐66 Membrane for Pervaporation

et al. 2017

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A UiO‐66 membrane was synthesized on an Al2O3 support by an in situ solvothermal method with a coordination modulation technique. We first confirmed the organic selectivity of the UiO‐66 membrane for methanol, ethanol, and acetone in mixtures with water. The membrane displayed highly stable pervaporation performance during the test and exhibited a separation factor of approximately 4.3 and a flux of 1.28 kg m–2 h–1 in ethanol/water. From the water and ethanol vapor adsorption measurement, the water uptake was lower in a binary system than that in a single system, although the ethanol uptake was similar for the binary and single systems. Therefore, the ethanol selectivity of the UiO‐66 membrane can be attributed to the preferential adsorption of the organic compound rather than water, as confirmed by a binary‐vapor adsorption measurement.

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Pervaporation studies of n-hexane, benzene, mesitylene and their mixtures on zeolitic imidazolate framework-8 membranes

Cited by 100 publications

References 53 publications

Characteristic features of molecular transport in MOF ZIF-8 as revealed by IR microimaging

Characteristic features of molecular transport in MOF ZIF-8 as revealed by IR microimaging

Preparation of nano‐ZIF‐8 in methanol with high yield

An Organoselective Zirconium‐Based Metal–Organic‐Framework UiO‐66 Membrane for Pervaporation

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