Silicate Fiberglasses Modified with Quaternary Ammonium Base for Natural Gas Desulfurization Full article
Journal |
Industrial and Engineering Chemistry Research
ISSN: 0888-5885 , E-ISSN: 1520-5045 |
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Output data | Year: 2017, Volume: 56, Number: 37, Pages: 10318-10328 Pages count : 11 DOI: 10.1021/acs.iecr.7b01389 | ||||||||
Tags | AdsorptionDesorptionElectron microscopyFourier transform infrared spectroscopyGlass fibersHigh resolution transmission electron microscopyMagic angle spinningScanning electron microscopySilicatesSulfur determinationTransmission electron microscopy | ||||||||
Authors |
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Affiliations |
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Funding (2)
1 | Federal Agency for Scientific Organizations | 0303-2016-0006 (V.44.1.6) |
2 | Honeywell UOP (formely UOP LLC) | 15C0882 |
Abstract:
A new gel-like film was generated on the surface of silicate fiberglass (FG) under hydrothermal treatment with tetramethylammonium hydroxide (TMAH) water solution. By means of scanning electron microscopy (SEM)/high resolution transmission electron microscopy (HRTEM), 1H NMR magic angle spinning (MAS), and diffuse reflectance infrared fourier transform spectroscopy (DRIFTS), we revealed this film is a phase with density less than pristine FG, where TMA species, as the H2S adsorption sites, are confined. Indeed, FGs modified in this way exhibited a rather high dynamic adsorption capacity which was proportional to concentration of TMA cations bonded with very basic oxygen of Broensted acid residue. The N-modified FG sorbents showed good regenerability when in the presence of water, and the adsorbed hydrogen sulfide on the TMA+––O–Si ion pair was easily desorbed at room temperature. This gives grounds to conclude that the process of hydrogen sulfide sorption on N-modified FGs is reversible and proceeds without a loss of adsorption capacity. Indeed, N-modified FGs remained stable during several adsorption–desorption cycles.
Cite:
Bal’zhinimaev B.S.
, Kovalyov E.V.
, Suknev A.P.
, Paukshtis E.A.
, Khabibulin D.F.
, Batueva I.S.
, Salanov A.N.
, Riley M.G.
Silicate Fiberglasses Modified with Quaternary Ammonium Base for Natural Gas Desulfurization
Industrial and Engineering Chemistry Research. 2017. V.56. N37. P.10318-10328. DOI: 10.1021/acs.iecr.7b01389 WOS Scopus РИНЦ AN OpenAlex
Silicate Fiberglasses Modified with Quaternary Ammonium Base for Natural Gas Desulfurization
Industrial and Engineering Chemistry Research. 2017. V.56. N37. P.10318-10328. DOI: 10.1021/acs.iecr.7b01389 WOS Scopus РИНЦ AN OpenAlex
Dates:
Submitted: | Apr 4, 2017 |
Accepted: | Aug 21, 2017 |
Published online: | Sep 6, 2017 |
Published print: | Sep 20, 2017 |
Identifiers:
Web of science: | WOS:000411659400011 |
Scopus: | 2-s2.0-85029767774 |
Elibrary: | 31071322 |
Chemical Abstracts: | 2017:1439741 |
OpenAlex: | W2750639565 |