Zeolite adsorbent-MOF layered nanovalves for CH4 storage

Tate, Kirby L.; Li, Shiguang; Yu, Miao; Carreón, Moisés A.

doi:10.1007/s10450-016-9813-x

Cited by 25 publications

(16 citation statements)

References 22 publications

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“…38,39 One strategy to overcome the design barrier is to develop hybrid materials that exhibit storage capacity higher than that for their individual components. 40,41 Hybrid nanocomposites based on MOFs and graphene enable integration of the unique properties of the two constituents, thus allowing the design of advanced materials with properties not possessed by either component. A number of studies have reported the incorporation of GO into various porous materials such as MOFs.…”

Section: Introductionmentioning

confidence: 99%

“…Here, deliverable capacity is defined as the difference between methane capacities at 65 and 5.8 bar. A recent computational screening of thousands of materials suggests, however that this target is unattainable, mainly due to fundamental limits arising from thermodynamic or material design constraints. , One strategy to overcome the design barrier is to develop hybrid materials that exhibit storage capacity higher than that for their individual components. , Hybrid nanocomposites based on MOFs and graphene enable integration of the unique properties of the two constituents, thus allowing the design of advanced materials with properties not possessed by either component. A number of studies have reported the incorporation of GO into various porous materials such as MOFs.…”

Section: Introductionmentioning

confidence: 99%

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MOF-GO Hybrid Nanocomposite Adsorbents for Methane Storage

Al-Naddaf

Al-Mansour

Thakkar

et al. 2018

Ind. Eng. Chem. Res.

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In this study, the storage of methane in nanocomposite adsorbents comprising metal−organic framework (MOF) and graphene oxide (GO) was investigated. Three different sets of MOF-GO nanocomposites comprising HKUST-1 and pristine GO, reduced GO (rGO), and carboxyl-functionalized GO (fGO) were developed by the solvothermal method, and their methane storage characteristics were assessed through high-pressure methane adsorption measurements. The formation of MOF-GO nanocomposites was confirmed by XRD, FTIR, XPS, SEM, and TEM. All three types of nanocomposites exhibited higher surface area and porosity than the pristine MOF. Our results indicated that MOF@rGO nanocomposite with 10 wt % rGO exhibited the best performance with a methane deliverable capacity of 193 cm 3 (STP)/cm 3 in the pressure range of 5.8−65 bar and at room temperature which was approximately 30% higher than that of pristine HKUST-1 with deliverable capacity of 149 cm 3 (STP)/cm 3 . Moreover, the methane deliverable capacity of MOF@GO and MOF@fGO were found to be 181 and 162 cm 3 (STP) /cm 3 , respectively. The findings of this study demonstrate the synergistic effect of graphene oxide on methane storage performance of MOF-GO nanocomposites.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

MOF-GO Hybrid Nanocomposite Adsorbents for Methane Storage

Al-Naddaf

Al-Mansour

Thakkar

et al. 2018

Ind. Eng. Chem. Res.

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“…It was due to the formation of H-bonding between 2-naphthol and surface of graphene oxide. [20] As a new class of porous material, metal organic frameworks (MOF) have received great attention due to their favorable capability for some industrial processes such as gas adsorption, [21][22][23][24][25][26][27][28][29] heterogeneous catalysis, [30][31][32][33] hydrogen storage, [34][35][36] drug delivery, [37] removal of hazardous pollutant [38][39][40] and sensors. [41,42] These materials consisted of metal clusters (such as Cr, Fe, Zn, Al, etc.)…”

Section: Introductionmentioning

confidence: 99%

Separation of 1‐Naphthol from Wastewater Using HF‐Free Microwave‐Assisted Synthesized MIL‐101(Cr): Kinetics, Thermodynamics and Reusability Studies**

2022

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Microwave-assisted synthesis of Chromium (III) Terephthalate Metal Organic Framework, MIL-101(Cr), was achieved in an aqueous media in the absence of hydrofluoric acid (HF). The synthesized material was characterized using Fourier transform infrared spectroscopy, powder X-ray diffraction, nitrogen adsorption/desorption isotherms and field emission scanning electron microscope. Results indicate that the synthesized MIL-101(Cr) using microwave irradiation poses higher surface area than those obtained using autoclave in a conventional oven method. Adsorptive removal of 1-naphthol from aqueous solution using synthesized MIL-101(Cr) was evaluated at various temperatures and concentrations. The Langmuir and Freundlich isotherms are used to describe the adsorption equilibrium behavior. The pseudo-second order and intraparticle kinetic models were applied to understand the rate limiting step and the mechanism of 1-naphthol adsorption. The thermodynamic analysis of solid-liquid system was investigated. The synthesized MIL-101(Cr) showed higher 1-naphthol adsorption capacity, compared to other adsorbents like biochar and multiwall carbon nanotube.

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“…To the best of our knowledge, although several zeolites and MOFs have been employed in the partial oxidation of methane to methanol, the consequent effect of using zeolite/MOF composites in this application has not yet been reported even though it would integrate the benefits of both materials. Some works have reported the use of zeolite/MOF composites for methane storage as well as methane separation applications; however, the direct conversion of methane to methanol has not been investigated on those composites. − As mentioned above, the main limitation of zeolite for this reaction is the strong adsorption of methanol due to the hydrophilicity of the zeolite surface. Fortunately, owing to the hydrophobicity of MOF, the external surface property of zeolite can be modified through composite fabrication.…”

Section: Introductionmentioning

confidence: 99%

Methane Utilization to Methanol by a Hybrid Zeolite@Metal–Organic Framework

Imyen

Znoutine

Suttipat

et al. 2020

ACS Appl. Mater. Interfaces

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The development of an effective approach for methane utilization, especially methane conversion to methanol, is a crucial challenge that has remained unsolved satisfactorily. Herein, we propose an alternative concept of methane utilization to methanol over Fe-ZSM-5@ZIF-8. The concept is to use the designed composite as a dual catalyst in which ZIF-8 and Fe-ZSM-5 act simultaneously as a gas adsorbent and catalyst, respectively. In this case, methane can be adsorbed on ZIF-8 at 50 °C and subsequently converted to methanol at a moderate temperature (150 °C) on Fe-ZSM-5. Interestingly, the promising catalytic performance is observed on Fe-ZSM-5@ZIF-8, whereas only trace amounts of produced methanol are detected on isolated Fe-ZSM-5 and ZIF-8. Moreover, the designed composite also facilitates a facile methanol desorption at the hydrophobic surface of the composite. This first example opens up new promising horizons in combined perspectives for gas storage and catalytic process applications.

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Zeolite adsorbent-MOF layered nanovalves for CH4 storage

Cited by 25 publications

References 22 publications

MOF-GO Hybrid Nanocomposite Adsorbents for Methane Storage

MOF-GO Hybrid Nanocomposite Adsorbents for Methane Storage

Separation of 1‐Naphthol from Wastewater Using HF‐Free Microwave‐Assisted Synthesized MIL‐101(Cr): Kinetics, Thermodynamics and Reusability Studies**

Methane Utilization to Methanol by a Hybrid Zeolite@Metal–Organic Framework

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