Metal Organic Frameworks for Selective Adsorption of <i>t</i>-Butyl Mercaptan from Natural Gas

Chen, Grace; Tan, Shuai; Koros, William J.; Jones, Christopher W.

doi:10.1021/acs.energyfuels.5b00305

Cited by 46 publications

(55 citation statements)

References 42 publications

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“…Metal‐Organic Frameworks (MOFs), the uniform framework of both organic and inorganic building blocks possessing extra‐high specific surface areas, large porosities, well defined ordered pore structures, and available open metal sites. Comparing with other adsorbents, MOFs are more diversified for application orientations as designer adsorbents which are frequently evaluated in the field adsorptive separations in both liquid and gas phase with remarkable advantages leads to improvements of creating hierarchical pores or generating additional metal cites in MOFs .…”

Section: Introductionmentioning

confidence: 99%

Experimental and Computational Study of Organic Sulfur Removal Proficiency of (Ni, Cu, Co)‐Doped ZIF‐8 Adsorbents

Saeedirad

Ganjali

Rashidi³

et al. 2020

ChemistrySelect

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The synthesis and characterization of a series of metal‐doped ZIF‐8 (metal=Ni, Co and Cu) has been introduced to gain the highly efficient adsorption of dibenzothiophene (DBT) in liquid phase. Under 150 ml DBT/iso‐octane, 100–1700 ppm, and 25–85 °C, the excellent efficiency and reusability in DBT removal was achieved and fitted better with the pseudo‐first order reaction. The maximum adsorption of 191.84 mg S/g for Ni/ZIF‐8 and two steps for intraparticle diffusion study contrary to Cu‐ and Co‐ZIF‐8 suggested the presence of Ni‐HMeIM clusters in ZIF‐8 cavities. Comparing the performance of prepared adsorbents, the order of qmax and PC was the same, i. e. PC Ni/ZIF‐8> PC Cu/ZIF‐8>PC Co/ZIF‐8>PC ZIF‐8 and qmax (Ni/ZIF‐8)> qmax (Cu/ZIF‐8)> qmax (Co/ZIF‐8)> qmax (ZIF‐8) for both 10% and 100% BT. The prepared adsorbents had the FoMs ranging from 0.05‐0.07 that compared to other adsorbents showed the beneficial use for large scale desulfurization process. The endothermic behavior and a homogeneous adsorption was then indicated through thermodynamic and equilibrium studies.

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Section: Introductionmentioning

confidence: 99%

Experimental and Computational Study of Organic Sulfur Removal Proficiency of (Ni, Cu, Co)‐Doped ZIF‐8 Adsorbents

Saeedirad

Ganjali

Rashidi³

et al. 2020

ChemistrySelect

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“…Regenerability, stability, and selectivity experimental exhibited that UiO-66(Zr) was proposed as a problem adsorbent for TBM removal. [76] MOF-199 was synthesized by hydrothermal method with controllable size and shape, and applied for gaseous methyl mercaptan (CH 3 SH) removal. Also, this MOF was compared with commercialized activated carbon (AC), and Cu loaded AC.…”

Section: Gas Streamsmentioning

confidence: 99%

“…Finally, UiO-66(Zr) appeared as the favorable material for the application in the TBM desulfurization. [43] Huo, Q. et al discovered that the porous bimetal structure of carbon Zn/Co@C, derived from (Zn, Co)-organic frameworks (bi-MOFs) were good candidates for adsorptive desulfurization of DBT with a good to high adsorption performance, following the pseudo-second-order kinetic and Langmuir models and a remarkable DBT adsorption capacity (40.6 mg g À 1 ) thanks to positive bimetallic synergistic effects. Zn/Co@C was prepared using a carbonization method with an optimal carbonization temperature of 800 °C and possessed suitable porous structures, uniformly distributed metal active sites, a high surface, and large pore volume.…”

Section: Liquid Streamsmentioning

confidence: 99%

Metal Organic Frameworks: Desulfurization Process by Engineered Novel Adsorbents

et al. 2021

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Removal of sulfur-containing compounds from liquid and gas steams originated from various processes of chemical industries would be essential, since these compounds can be the principal sources of deterioration and environmental degradation, and pollution even at low threshold concentration levels. The metal-organic frameworks (MOFs) compromise a wideranging of chemical structure designs with adjustable pore size and high promising surface area for the desulfurization process.In this review study, the current published studies and researches about sulfur removal in liquid and gas purification processes using MOFs as highly effective adsorbents and catalysts are systematically gathered and compared. According to the broad contextual information for sulfur removal using different MOFs in this study, it is called for new insight windows opened for the advance progresses in this area and the project of new and more effective MOF-based sorbents.

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“…Common MOFs such as Cu‐BTC, MIL series, and ZIF‐8, etc., due to the presence of open metal sites, these MOFs are prone to structural collapse during the adsorption of SO 2 , [ 84 ] so it is difficult to be directly used in the capacitive sensor of SO 2 . [ 54 ] Some interaction between MOFs and SO 2 are listed in Table 3 .…”

Section: Sulfur Dioxide (So2)mentioning

confidence: 99%

Metal–Organic Frameworks Materials for Capacitive Gas Sensors

Zhai

Zhang

Hao

et al. 2021

Adv Materials Technologies

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Table 1 summarizes the application of MOS and metal-organic frameworks (MOFs) materials to gas sensors. Although the method based on GC is accurate, it is costly, not easy to miniaturize, and involves a complicated sampling process. The nondispersive infrared gas sensor also has the shortcomings of high-test cost, long test cycle, and not easy to miniaturize. Therefore, it is necessary to study a new type of gas sensor, which can not only be miniaturized but also run at room temperature to reduce power consumption.Capacitive gas sensor as an electrical sensor achieves the sensing effect by changing the dielectric constant [4][5][6] or dielectric layer thickness [7] after absorbing the target molecule. The capacitance value of a capacitive sensor is generally independent of the electrode material, and some materials with a lower temperature coefficient can be selected as the electrode, so its temperature stability is superb. At the same time, capacitive sensors have the advantages of simple structure, easy manufacturing, high measurement accuracy, and miniaturization. [8][9][10][11] Therefore, capacitive sensors have fantastic advantages when applied to gas sensing. The materials used in capacitive gas sensors mainly include zeolites, [12,13] metal oxides, [14] and carbon nanotubes, [15] but some shortcomings including high working temperature, high cost, and difficult process also limit their further development. [16,17] Therefore, a material with higher selectivity is needed for capacitive gas sensors.MOFs are an emerging class of microporous/mesoporous crystal material that assembled by metal ions/clusters and organic ligands through coordination bonds. MOFs materials have ultrahigh porosity, large surface-to-volume ratio and flexible skeleton, widely explored in gas storage, [18,19] separation, [20] catalysis, [21,22] magnetism, [23] and sensor. [24,25] According to the different structures of MOF materials, it can be divided into the following categories: MIL series, ZIF series, UiO series, HKUST series, IRMOF series, and PCN series, etc. Among them, the MIL series, ZIF series, and UiO series are widely used in the field of gas sensing.The MIL series mainly composed of transition metals (Cr, Fe, V) or lanthanide metals, and the ligands are mainly dicarboxylic acids (terephthalic acid, succinic acid). The MIL series generally have excellent stability and ultra-high specific surface area, which has a positive effect on gas adsorption and sensing. The ZIF series has a 3D network structure similar to zeolite, Gas sensors have been widely used in detection of industrial gas leak, air quality detection, and medical diagnosis. Although some chemical sensors have been commercialized, there are still some challenges such as sensitivity, cycle stability, and high power consumption. Metal-organic frameworks (MOFs) have high specific surface area, rich porosity, and excellent reversible/selective adsorption ability for various gases. Therefore, MOFs has been considered as an ideal sensing material. Metal active sites and...

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Metal Organic Frameworks for Selective Adsorption of t-Butyl Mercaptan from Natural Gas

Cited by 46 publications

References 42 publications

Experimental and Computational Study of Organic Sulfur Removal Proficiency of (Ni, Cu, Co)‐Doped ZIF‐8 Adsorbents

Experimental and Computational Study of Organic Sulfur Removal Proficiency of (Ni, Cu, Co)‐Doped ZIF‐8 Adsorbents

Metal Organic Frameworks: Desulfurization Process by Engineered Novel Adsorbents

Metal–Organic Frameworks Materials for Capacitive Gas Sensors

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