Organic solvent pervaporation properties of MOF-5 membranes

Kasik, Alexandra; Lin, Jerry Y S

doi:10.1016/j.seppur.2013.04.033

Cited by 53 publications

(44 citation statements)

References 23 publications

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“…ZIF-71/PDMS MMMs have also been reported to increase the separation factor in the PV of water/ alcohol mixtures (Li et al, 2014). In addition, MOF-5 has been used for organic solvent PV, showing separation of liquid organic molecules based on a molecular sieving effect (Kasik and Lin, 2014). Regarding ZIF-8 based membranes for PV, the performance of silicone rubber membranes has been improved for isobutanol (Liu et al, 2011) and furfural (Liu et al, 2013b) recovery from water by introducing ZIF-8 nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

Pervaporation and membrane reactor performance of polyimide based mixed matrix membranes containing MOF HKUST-1

Sorribas

Kudasheva

Almendro

et al. 2015

Chemical Engineering Science

105

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Section: Introductionmentioning

confidence: 99%

Pervaporation and membrane reactor performance of polyimide based mixed matrix membranes containing MOF HKUST-1

Sorribas

Kudasheva

Almendro

et al. 2015

Chemical Engineering Science

105

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“…The extremely high porosity, high surface area, and unprecedented high CO 2 uptake in IRMOF‐1 make it an attractive MOF model material for constructing a membrane for CO 2 separation . Although IRMOF‐1 was found unstable in humid air, it is stable in dry atmosphere or in organic solvents, and some post treatment has been demonstrated to improve its stability in humid air . Stable operation of IRMOF‐1 membranes in producing high grade CO 2 is expected, as the feed low‐grade CO 2 may contain an extremely low amount of water vapor.…”

mentioning

confidence: 99%

Metal‐organic framework membrane process for high purity CO₂ production

et al. 2016

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SignificanceGas separation by metal-organic framework (MOF) membranes is an emerging research field. Their commercial application potential is, however, still rarely explored due in part to unsatisfied separation characteristics and difficulty in finding suitable applications. Herein, we report "sharp molecular sieving" properties of high quality isoreticular MOF-1 (IRMOF-1) membrane for CO 2 separation from dry, CO 2 enriched CO 2 /CH 4 , and CO 2 /N 2 mixtures. The IRMOF-1 membranes exhibit CO 2 /CH 4 and CO 2 /N 2 separation factors of 328 and 410 with CO 2 permeance of 2.55 3 10 27 and 2.06 3 10 27 mol m 22 s 21 Pa 21 at feed pressure of 505 kPa and 298 K, respectively. High grade CO 2 is efficiently produced from the industrial or lower grade CO 2 feed gas by this MOF membrane separation process. The demonstrated "sharp molecular sieving" properties of the MOF membranes and their potential application in production of valueadded high purity CO 2 should bring new research and development interest in this field.

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“…A handful of PCPs have been shown to selectively separate xylene isomers. [10] Interestingly,i nt his case an ordered crystalline phase was obtained only for p-xylene-treated Mg-CUK-1 ( Figure 2d); single crystals treated with o-and mxylene remained highly crystalline,b ut electron density corresponding to less than one electron per site was smeared throughout the centers of the channel voids.T GA and elemental microanalysis of the materials indicated at least some adsorption for all isomers (see the Supporting Information). Liquid (vapor) sorption isotherms collected using each pure isomer in the range p/p 0 = 0-0.7 at 50 8 8Cp rovide more valuable insight (Figure 3).…”

Section: Replacement Of Comentioning

confidence: 94%

Separation of p‐Divinylbenzene by Selective Room‐Temperature Adsorption Inside Mg‐CUK‐1 Prepared by Aqueous Microwave Synthesis

et al. 2015

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An ew Mg II -based version of the porous coordination polymer CUK-1 with one-dimensional pore structure was prepared by microwave synthesis in water.M g-CUK-1 is moisture-stable,t hermally stable up to 500 8 8C, and shows unusual reversible soft-crystal behavior:d ehydrated single crystals of the material selectively adsorb ar ange of organic molecules at ambient temperature and pressure.B oth polar and apolar aromatic compounds,including pyridine,benzene, p-xylene,a nd p-divinylbenzene (p-DVB), are all readily adsorbed, while other isomers from complex mixtures of xylenes or DVBs are selectively excluded. The solvent-loaded structures have been studied by single-crystal X-ray diffraction. Time-dependent liquid sorption experiments using commercially available DVBd emonstrate ah igh and rapid selective adsorption of p-DVB and exclusion of m-DVB and ethylvinylbenzene isomers.A number of porous coordination polymers (PCPs) have been shown to possess the ability to effectively separate complex mixtures of gases [1] and, less commonly,o fl iquid hydrocarbons.[2] Thel atter represents at angible application for such materials,e specially to achieve separations that cannot be easily performed using common large-scale separation methods (e.g., column chromatography,ion exchange, fractional distillation). [3,4] One such example concerns the separation of isomers of divinylbenzene (DVB): p-DVBi s important in the manufacture of cross-linked styrene polymers,w hich, paradoxically,a re utilized in the manufacturing of ion-exchange resins.[4] DVBi sp repared by dehydrogenation of crude mixtures of o-, m-, and p-diethylbenzene. Commercially available DVBconsists of approximately 80 % m-and p-DVB along with the products of partial dehydrogenation, m-and p-ethylvinylbenzene (EVB). From an industrial standpoint, pure p-DVB is most preferred for the formation of ordered cross-linked styrene/p-DVB copolymers,but largescale separation approaches have proven to be inefficient. [5] In 2007, we published the discovery of ah ighly porous cobalt(II)-based coordination polymer named CUK-1, which has received significant attention because of its exceptional ability to separate complex gas mixtures.[6] CUK-1 is based on 2,4-pyridinedicarboxylic acid (2,4-pdc) and contains onedimensional channels with square pore windows.The material was shown to be highly robust, owing to the presence of infinite one-dimensional metal hydroxide chains that support ac orrugated wall structure.O ne potential drawback of transition-metal-based materials is the potential for slow hydrolytic decomposition. Ongoing efforts to determine methods for the preparation of more highly stable phases of CUK-1 using alternative metals have ultimately yielded afast, reproducible,and high-yielding method for the production of aM g II analogue.M g-CUK-1 is conveniently prepared in water with ar apid and energy-efficient microwave(mw)-assisted method that yields ac rystalline product in only 35 min at 200 8 8C. Replacement of CoII with Mg II was our ultimate goal, ...

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Organic solvent pervaporation properties of MOF-5 membranes

Cited by 53 publications

References 23 publications

Pervaporation and membrane reactor performance of polyimide based mixed matrix membranes containing MOF HKUST-1

Pervaporation and membrane reactor performance of polyimide based mixed matrix membranes containing MOF HKUST-1

Metal‐organic framework membrane process for high purity CO₂ production

Separation of p‐Divinylbenzene by Selective Room‐Temperature Adsorption Inside Mg‐CUK‐1 Prepared by Aqueous Microwave Synthesis

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Organic solvent pervaporation properties of MOF-5 membranes

Cited by 53 publications

References 23 publications

Pervaporation and membrane reactor performance of polyimide based mixed matrix membranes containing MOF HKUST-1

Pervaporation and membrane reactor performance of polyimide based mixed matrix membranes containing MOF HKUST-1

Metal‐organic framework membrane process for high purity CO2 production

Separation of p‐Divinylbenzene by Selective Room‐Temperature Adsorption Inside Mg‐CUK‐1 Prepared by Aqueous Microwave Synthesis

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Metal‐organic framework membrane process for high purity CO₂ production