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Adsorption and Textural Properties of LSX Zeolite at the Initial Stages of Destruction. / Leonova, A. A.; Ayupov, A. B.; Fenelonov, V. B. et al.

In: Protection of Metals and Physical Chemistry of Surfaces, Vol. 53, No. 6, 01.11.2017, p. 989-994.

Research output: Contribution to journal › Article › peer-review

Harvard

Leonova, AA, Ayupov, AB, Fenelonov, VB & Mel’gunov, MS 2017, 'Adsorption and Textural Properties of LSX Zeolite at the Initial Stages of Destruction', Protection of Metals and Physical Chemistry of Surfaces, vol. 53, no. 6, pp. 989-994. https://doi.org/10.1134/S2070205117060168

APA

Leonova, A. A., Ayupov, A. B., Fenelonov, V. B., & Mel’gunov, M. S. (2017). Adsorption and Textural Properties of LSX Zeolite at the Initial Stages of Destruction. Protection of Metals and Physical Chemistry of Surfaces, 53(6), 989-994. https://doi.org/10.1134/S2070205117060168

Vancouver

Leonova AA, Ayupov AB, Fenelonov VB, Mel’gunov MS. Adsorption and Textural Properties of LSX Zeolite at the Initial Stages of Destruction. Protection of Metals and Physical Chemistry of Surfaces. 2017 Nov 1;53(6):989-994. doi: 10.1134/S2070205117060168

Author

Leonova, A. A. ; Ayupov, A. B. ; Fenelonov, V. B. et al. / Adsorption and Textural Properties of LSX Zeolite at the Initial Stages of Destruction. In: Protection of Metals and Physical Chemistry of Surfaces. 2017 ; Vol. 53, No. 6. pp. 989-994.

BibTeX

@article{6a96b97379ad4637bd5ad47d5e45bb7c,
title = "Adsorption and Textural Properties of LSX Zeolite at the Initial Stages of Destruction",
abstract = "Alteration of adsorption properties and porous structure (texture) of the KNaLSX zeolite at the initial stages of its destruction during ion-exchange modification in solutions of NH4Cl and thermal shock under vacuum degassing has been studied. Transmission electron microscopy, X-ray diffraction, low-temperature nitrogen adsorption and adsorption of CO2 and CH4 at 273 K were applied for characterization of the obtained materials. Conversion of the predominantly microporous material to the material with threemode pore-size distribution is shown. Significant fraction of the faujasite phase and corresponding micropores are preserved in the material. This is accompanied with formation of pores of two types: quasi-spherical mesopores with the characteristic size of 5 nm and the meso-macropores with typical size exceeding 40 nm. Basing on the obtained results, a mechanism of textural changes in the LSX zeolite treated under applied conditions is proposed.",
keywords = "CO and CH adsorption, LSX zeolite, mechanism of mesopores{\textquoteright} formation, NaCl ion exchange, NHCl ion exchange",
author = "Leonova, {A. A.} and Ayupov, {A. B.} and Fenelonov, {V. B.} and Mel{\textquoteright}gunov, {M. S.}",
note = "Publisher Copyright: {\textcopyright} 2017, Pleiades Publishing, Ltd.",
year = "2017",
month = nov,
day = "1",
doi = "10.1134/S2070205117060168",
language = "English",
volume = "53",
pages = "989--994",
journal = "Protection of Metals and Physical Chemistry of Surfaces",
issn = "2070-2051",
publisher = "PLEIADES PUBLISHING INC",
number = "6",

}

RIS

TY - JOUR

T1 - Adsorption and Textural Properties of LSX Zeolite at the Initial Stages of Destruction

AU - Leonova, A. A.

AU - Ayupov, A. B.

AU - Fenelonov, V. B.

AU - Mel’gunov, M. S.

N1 - Publisher Copyright: © 2017, Pleiades Publishing, Ltd.

PY - 2017/11/1

Y1 - 2017/11/1

N2 - Alteration of adsorption properties and porous structure (texture) of the KNaLSX zeolite at the initial stages of its destruction during ion-exchange modification in solutions of NH4Cl and thermal shock under vacuum degassing has been studied. Transmission electron microscopy, X-ray diffraction, low-temperature nitrogen adsorption and adsorption of CO2 and CH4 at 273 K were applied for characterization of the obtained materials. Conversion of the predominantly microporous material to the material with threemode pore-size distribution is shown. Significant fraction of the faujasite phase and corresponding micropores are preserved in the material. This is accompanied with formation of pores of two types: quasi-spherical mesopores with the characteristic size of 5 nm and the meso-macropores with typical size exceeding 40 nm. Basing on the obtained results, a mechanism of textural changes in the LSX zeolite treated under applied conditions is proposed.

AB - Alteration of adsorption properties and porous structure (texture) of the KNaLSX zeolite at the initial stages of its destruction during ion-exchange modification in solutions of NH4Cl and thermal shock under vacuum degassing has been studied. Transmission electron microscopy, X-ray diffraction, low-temperature nitrogen adsorption and adsorption of CO2 and CH4 at 273 K were applied for characterization of the obtained materials. Conversion of the predominantly microporous material to the material with threemode pore-size distribution is shown. Significant fraction of the faujasite phase and corresponding micropores are preserved in the material. This is accompanied with formation of pores of two types: quasi-spherical mesopores with the characteristic size of 5 nm and the meso-macropores with typical size exceeding 40 nm. Basing on the obtained results, a mechanism of textural changes in the LSX zeolite treated under applied conditions is proposed.

KW - CO and CH adsorption

KW - LSX zeolite

KW - mechanism of mesopores’ formation

KW - NaCl ion exchange

KW - NHCl ion exchange

UR - http://www.scopus.com/inward/record.url?scp=85044076312&partnerID=8YFLogxK

U2 - 10.1134/S2070205117060168

DO - 10.1134/S2070205117060168

M3 - Article

AN - SCOPUS:85044076312

VL - 53

SP - 989

EP - 994

JO - Protection of Metals and Physical Chemistry of Surfaces

JF - Protection of Metals and Physical Chemistry of Surfaces

SN - 2070-2051

IS - 6

ER -

ID: 12179088