ZIF-67 filled PDMS mixed matrix membranes for recovery of ethanol via pervaporation

Khan, Amin; Ali, Mohsin; Ilyas, Ayesha; Naik, Parimal V.; Vankelecom, Ivo F.J.; Gilani, Mazhar Amjad; Bilad, Muhammad Roil; Sajjad, Zabia; Khan, Asim Laeeq

doi:10.1016/j.seppur.2018.05.055

Cited by 182 publications

(80 citation statements)

References 36 publications

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“…The band at 1333.18 cm −1 was related to the C-H bending vibration of -CH 3 and the band at 925.69 cm −1 was associated to the N-H swing. The peak position and intensity are well agreed with the previous reports [18,[26][27][28][29]. Then different concentrations of ZIF-8 nanoparticles were added into the PVA/starch/MC blend.…”

Section: Characterization Of Zif-8 Nanoparticles and Pva/starch/mc/zisupporting

confidence: 89%

“…Mental-organic frameworks (MOFs) possess many preeminent properties such as high specific surface area, high porosity, antibacterial properties, adjustable pore size, and selective permeability for gases, as well as outstanding thermal and chemical stability [15][16][17][18][19][20]. Frederik employed trifluoroacetic acid and HCl during the synthesis of UIO-66, the crystallinity and pore size were raised with partial substitution of terephthalates by trifluoroacetate [21].…”

Section: Introductionmentioning

confidence: 99%

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The Study of Zeolitic Imidazolate Framework (ZIF-8) Doped Polyvinyl Alcohol/Starch/Methyl Cellulose Blend Film

et al. 2019

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ZIF-8 nanoparticle-doped polyvinyl alcohol (PVA)-S-MC films were prepared via casting method. The effect of different concentrations of ZIF-8 on the physical properties and structural characterization of the films were investigated. The results indicated that ZIF-8 could increase the water resistance and mechanical property of the membrane. Through FTIR, scanning electron microscope (SEM), atomic force microscope (AFM), and TGA analysis, it was found that ZIF-8 changed the phenomenon of macromolecule agglomeration and improved the thermal stability of the membrane. The breathable behavior of the film was also studied through oxygen permeability and water vapor permeability analysis. The result illustrated that the breathability of the film improved significantly by adding ZIF-8. The maximum reached when the weight ratio of ZIF-8 was 0.01 wt %. The property expands the application of PVA/starch blend film in the postharvest technology of fruits and vegetables.

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Section: Characterization Of Zif-8 Nanoparticles and Pva/starch/mc/zisupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

The Study of Zeolitic Imidazolate Framework (ZIF-8) Doped Polyvinyl Alcohol/Starch/Methyl Cellulose Blend Film

et al. 2019

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“…Some peaks ranging from 600 to 1050 cm −1 were due to the out of plane and plane vibration of the imidazole group. [ 50 ] After the modification of GO with ZIF‐67, the characteristic peaks mainly correspond to ZIF‐67 because of the small amount of GO in ZIF‐67/GO. These phenomena indicate that the structure of ZIf‐67 in the composites does not change significantly.…”

Section: Resultsmentioning

confidence: 99%

Stable Dispersed Zeolitic Imidazolate Framework/Graphene Oxide Nanocomposites in Ionic Liquids Resulting in High Lubricating Performance

Cao

Zhuang

et al. 2020

Adv Materials Inter

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The “block‐on‐plate” nanocomposite structure material is realized with the zeolitic imidazolate framework (ZIF‐67) on graphene oxide (GO) with surface oxygen‐rich functional groups. Scanning electron microscopy, X‐ray photoelectron spectroscopy, X‐ray diffractograms, fourier transform infrared spectroscopy, and ZIF‐67/GO demonstrate a high capability of promoting the lubricating performance of [Choline][Proline] ([CH][P]) bio‐ionic liquid. Specifically, the wear volume of the disc by [CH][P]‐0.1 ZIF‐67/GO is only 52% of the one lubricated by pure [CH][P]. Moreover, ZIF‐67/GO shows a long time, high dispersion stability in [CH][P]. In addition, the combination of GO nanosheets and ZIF‐67 can make ZIF‐67/GO have better polishing effect between the steels during the friction process, which can effectively form a robust lubrication layer and improves overall lubricating properties. As a result, the interfacial lubrication can be significantly improved by these newly developed [CH][P]‐ZIF‐67/GO lubricants. This work offers a new promising application for ZIF‐67 nanocomposites with GO in advanced lubrication systems. This work also provides a new strategy of producing lubricants containing nanoparticles with high dispersion stability, which may solve the biggest challenge in this field.

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“…Membrane technology is one of the most effective, attractive and energy‐saving separation processes that recently has been widely developed throughout the world . Pervaporation, one of the membrane technologies, has many advantages such as energy saving, cost effectiveness, and environmentally protective . It seems that a membrane bioreactor, which combines fermentation and pervaporation, is useful for conversion of biomass into ethanol.…”

Section: Introductionmentioning

confidence: 99%

“…[16][17][18] Pervaporation, one of the membrane technologies, has many advantages such as energy saving, cost effectiveness, and environmentally protective. 16,19 It seems that a membrane bioreactor, which combines fermentation and pervaporation, is useful for conversion of biomass into ethanol. There are various types of membranes that can be used in bioreactors.…”

Section: Introductionmentioning

confidence: 99%

Highly selective carbon nanotube‐coupled graphene oxide‐incorporated polydimethylsiloxane membrane for pervaporative membrane bioreactor ethanol production

Amrei

Asghari

Esfahanian

et al. 2020

J of Chemical Tech & Biotech

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BACKGROUND In this work, a pervaporation membrane bioreactor (PVMBR) with the novel ethanol permselective membrane was used to achieve ethanol production with high yield. For this purpose, ethanol produced by Saccharomyces cerevisiae from glucose and pervaporation was performed via dense hydrophobic polydimethylsiloxane (PDMS) having carbon nanotube‐graphene oxide (CNT‐GO) mixed matrix membrane. Different percentages of CNT‐GO (0, 0.25, 0.5, 0.75, and 1) were loaded in polymer matrix. Synthesized membranes were analyzed using FESEM, AFM, FTIR and XRD. RESULTS The bonding of groups in CNT‐GO, that was synthesized in this work, and membranes was characterized and confirmed using FTIR test. Considering the existence of 0.75 wt% of CNT‐GO in PDMS showed the highest ethanol selectivity of 22.5 in synthetic ethanol‐water solution, this incorporation was selected to use in PVMBR. The high ethanol selectivity was proved using XRD patterns. Also, FESEM indicated the optimum dispersion of nanoparticles at 0.75% of loading and AFM proofed the optimum surface roughness at this percentage. CONCLUSIONS The results showed that maximum ethanol production in PVMBR was achieved after 44 h with productivity of 0.5g.l−1.h−1 in feed side and 9.89 g.l−1.h−1 in permeate side. In fact, PVMBR enhanced the ethanol concentration up to 26 times. © 2020 Society of Chemical Industry

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ZIF-67 filled PDMS mixed matrix membranes for recovery of ethanol via pervaporation

Cited by 182 publications

References 36 publications

The Study of Zeolitic Imidazolate Framework (ZIF-8) Doped Polyvinyl Alcohol/Starch/Methyl Cellulose Blend Film

The Study of Zeolitic Imidazolate Framework (ZIF-8) Doped Polyvinyl Alcohol/Starch/Methyl Cellulose Blend Film

Stable Dispersed Zeolitic Imidazolate Framework/Graphene Oxide Nanocomposites in Ionic Liquids Resulting in High Lubricating Performance

Highly selective carbon nanotube‐coupled graphene oxide‐incorporated polydimethylsiloxane membrane for pervaporative membrane bioreactor ethanol production

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