Adsorption of benzene and ethanol on activated carbon nanofibers prepared by electrospinning

Bai, Yu; Huang, Zheng‐Hong; Wang, Mingxi; Kang, Feiyu

doi:10.1007/s10450-013-9524-5

Cited by 25 publications

(18 citation statements)

References 23 publications

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“…Due to much smaller diameter of nanofibers, all this maybe signifies pores into nanofibers are dense and shallow. These dense and shallow pores contribute to adsorbates to arrive at adsorption site more easily, that is easier adsorption and desorption, as analogous presentation in a recent report [ 18 ].…”

Section: Resultssupporting

confidence: 68%

“…PS nanofibers exhibit a higher adsorption amount for toluene and chlorobenzene because the interaction between the adsorbates and adsorbent is favored by similar chemical behavior of the polymer backbone and adsorbates [ 20 ]. Therefore, specific interactions between the π-π electron rich regions of the polystyrene molecule and the aromatic rings of chlorobenzene and toluene enhanced the adsorption, that is to say, the π-π interaction provided more available adsorption sites on the surface [ 18 ]. In comparison to n-pentane, isoprene and dichloromethane, the adsorption of cyclohexane on the PS nanofibers is remarkable, but this molecule has no dipolar moment, aromatic rings or double bonds.…”

Section: Resultsmentioning

confidence: 99%

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Comparison of Adsorption/Desorption of Volatile Organic Compounds (VOCs) on Electrospun Nanofibers with Tenax TA for Potential Application in Sampling

et al. 2016

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The objective of this study was to compare the adsorption/desorption of target compounds on homemade electrospun nanofibers, polystyrene (PS) nanofibers, acrylic resin (AR) nanofibers and PS-AR composite nanofibers with Tenax TA. Ten volatile organic compounds (VOCs) were analyzed by preconcentration onto different sorbents followed by desorption (thermal and solvent orderly) and analysis by capillary gas chromatography. In comparison to Tenax TA, the electrospun nanofibers displayed a significant advantage in desorption efficiency and adsorption selectivity. Stability studies were conducted as a comparative experiment between PS-AR nanofibers and Tenax TA using toluene as the model compound. No stability problems were observed upon storage of toluene on both PS-AR nanofibers and Tenax TA over 60 hours period when maintained in an ultra-freezer (−80°C). The nanofibers provided slightly better stability for the adsorbed analytes than Tenax TA under other storage conditions. In addition, the nanofibers also provided slightly better precision than Tenax TA. The quantitative adsorption of PS-AR nanofibers exhibited a good linearity, as evidenced by the 0.988–0.999 range of regression coefficients (R). These results suggest that for VOCs sampling the electrospun nanofibers can be a potential ideal adsorbent.

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Section: Resultssupporting

confidence: 68%

Section: Resultsmentioning

confidence: 99%

Comparison of Adsorption/Desorption of Volatile Organic Compounds (VOCs) on Electrospun Nanofibers with Tenax TA for Potential Application in Sampling

et al. 2016

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“…In addition, surface chemistry has an important effect on the adsorption of polar VOCs. The ACNF with higher oxygen content possesses a higher adsorption capacity for ethanol [69].…”

Section: Removal Of Volatile Organic Compounds (Vocs)mentioning

confidence: 99%

Filtering Media by Electrospinning

Focarete¹,

Gualandi²,

Ramakrishna³

2018

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Increasing demand for access to clean and safe water around the globe emphasizes the development of new technologies for removing environmental pollutants. Especially, organic pollutants including dyes, volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs), pesticides, herbicides, and antibiotics prominently affect environmental health due to their hazardous nature. In the past several decades, advancements in electrospun fibrous membranes have resulted as an efficient filtering platform for removal of various pollutants in water, air, and soil. Electrospun nanofibers are efficient filters complementing their unique feature of accommodating a variety of functional molecules. The choice of material and the effect of experimental condition including pH, contact time, and adsorbent dosage on pollutant removal efficiency have been extensively reviewed previously. Our chapter focuses on recent progress in the developments of the electrospun functional nanofibrous composite membrane for various organic pollutants removal.

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“…Carbon materials, particularly activated carbons, have been used as a powerful adsorbent for a long time [87][88][89]. Lee at al.…”

Section: Adsorption/separationmentioning

confidence: 99%

Hierarchical porous carbon nanofibers via electrospinning

Raza¹,

Wang²,

Yang³

et al. 2014

Carbon letters

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Carbon nanofibers (CNFs) with diameters in the submicron and nanometer range exhibit high specific surface area, hierarchically porous structure, flexibility, and super strength which allow them to be used in the electrode materials of energy storage devices, and as hybrid-type filler in carbon fiber reinforced plastics and bone tissue scaffold. Unlike catalytic synthesis and other methods, electrospinning of various polymeric precursors followed by stabilization and carbonization has become a straightforward and convenient way to fabricate continuous CNFs. This paper is a comprehensive and brief review on the latest advances made in the development of electrospun CNFs with major focus on the promising applications accomplished by appropriately regulating the microstructural, mechanical, and electrical properties of as-spun CNFs. Additionally, the article describes the various strategies to make a variety of carbon CNFs for energy conversion and storage, catalysis, sensor, adsorption/separation, and biomedical applications. It is envisioned that electrospun CNFs will be the key materials of green science and technology through close collaborations with carbon fibers and carbon nanotubes.

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Adsorption of benzene and ethanol on activated carbon nanofibers prepared by electrospinning

Cited by 25 publications

References 23 publications

Comparison of Adsorption/Desorption of Volatile Organic Compounds (VOCs) on Electrospun Nanofibers with Tenax TA for Potential Application in Sampling

Comparison of Adsorption/Desorption of Volatile Organic Compounds (VOCs) on Electrospun Nanofibers with Tenax TA for Potential Application in Sampling

Filtering Media by Electrospinning

Hierarchical porous carbon nanofibers via electrospinning

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