Estimation of dual mode sorption parameters for CO2 in the glassy polymers using group contribution approach

Saberi, Masoud; Rouhi, Parham; Teimoori, Mostafa

doi:10.1016/j.memsci.2019.117481

Cited by 17 publications

(17 citation statements)

References 85 publications

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“…The results indicated that the model was an accurate predictor of the response variable, since the P value of the model was < 0.0238 which was less than 0.05 32. The R 2 value as a statistic indicator was also used for checking of the predicted response values 41.…”

Section: Resultsmentioning

confidence: 99%

Fe₂O₃/TiO₂/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

2020

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Fe2O3/TiO2/activated carbon (FT/AC) nanocomposites supported on silica gel beads were synthesized using a sonochemical method and fully characterized. The response surface method was applied to optimize the removal of Pb(II) ions by nanocomposites under visible light. The experiments were conducted by adjusting three parameters, i.e., initial concentration of Pb(II) ions, dosage of Fe2O3/TiO2 (FT) photocatalyst, and pH. The FT/AC nanocomposite showed higher efficiency for Pb(II) ion removal in comparison with FT due to the synergistic effect of activated carbon combined with Fe2O3/TiO2.

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Section: Resultsmentioning

confidence: 99%

Fe₂O₃/TiO₂/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

2020

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“…This means that they separate gases with a higher product purity. The high selectivity in glassy polymers is related to the high gas solubility due to the excess of free volumes [57].…”

Section: X-ray Diffractionmentioning

confidence: 99%

Microscopy and Spectroscopy Techniques for Characterization of Polymeric Membranes

Alqaheem

Alomair

2020

Membranes

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Polymeric membrane is a proven technology for water purification and wastewater treatment. The membrane is also commercialized for gas separation, mainly for carbon dioxide removal and hydrogen recovery. Characterization techniques are excellent tools for exploring the membrane structure and the chemical properties. This information can be then optimized to improve the membrane for better performance. In this paper, characterization techniques for studying the physical structure such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM) are discussed. Techniques for investigating the crystal structure such as X-ray diffraction (XRD), small-angle X-ray scattering (SAXS), and wide-angle X-ray scattering (WAXS) are also considered. Other tools for determining the functional groups such Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, and nuclear magnetic resonance (NMR) are reviewed. Methods for determining the elemental composition such as energy-dispersion X-ray spectroscopy (EDS), X-ray fluorescent (XRF), and X-ray photoelectron spectroscopy (XPS) are explored. The paper also gives general guidelines for sample preparation and data interpretation for each characterization technique.

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“…The dual mode sorption model parameters of CO2 in glassy polymers were predicted by Saberi et al [38] using a group contribution technique. The group contribution approach is a method for determining the principles that regulate the link between polymer transport and thermophysical properties based on the structure of the polymer [39].…”

Section: Sorption In Glassy Polymersmentioning

confidence: 99%

Glassy Polymers – Diffusion, Sorption, Aging, and Applications

Arya¹,

Thapliyal²,

Sharma³

et al. 2021

Preprint

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For the past few decades, researchers have been intrigued with glassy polymers, which have applications ranging from gas separations to corrosion protection to drug delivery systems. The techniques employed to examine the sorption and diffusion of small molecules in glassy polymers are the subject of this review. Diffusion models in glassy polymers are regulated by Fickian and non-Fickian diffusion, with non-Fickian diffusion being more prevalent. The characteristics of glassy polymers are determined by sorption isotherms, and different models have been proposed in the literature to explain sorption in glassy polymers during the last few years. This review also includes the applications of glassy polymer. Despite having so many applications, current researchers still have difficulty in implementing coating challenges due to issues like as physical ageing, which is briefly discussed in the review.

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Estimation of dual mode sorption parameters for CO2 in the glassy polymers using group contribution approach

Cited by 17 publications

References 85 publications

Fe₂O₃/TiO₂/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

Fe₂O₃/TiO₂/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

Microscopy and Spectroscopy Techniques for Characterization of Polymeric Membranes

Glassy Polymers – Diffusion, Sorption, Aging, and Applications

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Estimation of dual mode sorption parameters for CO2 in the glassy polymers using group contribution approach

Cited by 17 publications

References 85 publications

Fe2O3/TiO2/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

Fe2O3/TiO2/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

Microscopy and Spectroscopy Techniques for Characterization of Polymeric Membranes

Glassy Polymers – Diffusion, Sorption, Aging, and Applications

Contact Info

Product

Resources

About

Fe₂O₃/TiO₂/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

Fe₂O₃/TiO₂/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis