Standard

XAS study of Mo-based dispersed catalysts for upgrading of heavy oil. / Saraev, A. A.; Zaikina, O. O.; Sosnin, G. A. et al.

In: Radiation Physics and Chemistry, Vol. 175, 108335, 10.2020.

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

Harvard

Saraev, AA, Zaikina, OO, Sosnin, GA, Yeletsky, PM, Tsapina, AM, Zubavichus, YV, Yakovlev, VA & Kaichev, VV 2020, 'XAS study of Mo-based dispersed catalysts for upgrading of heavy oil', Radiation Physics and Chemistry, vol. 175, 108335. https://doi.org/10.1016/j.radphyschem.2019.05.025

APA

Saraev, A. A., Zaikina, O. O., Sosnin, G. A., Yeletsky, P. M., Tsapina, A. M., Zubavichus, Y. V., Yakovlev, V. A., & Kaichev, V. V. (2020). XAS study of Mo-based dispersed catalysts for upgrading of heavy oil. Radiation Physics and Chemistry, 175, [108335]. https://doi.org/10.1016/j.radphyschem.2019.05.025

Vancouver

Saraev AA, Zaikina OO, Sosnin GA, Yeletsky PM, Tsapina AM, Zubavichus YV et al. XAS study of Mo-based dispersed catalysts for upgrading of heavy oil. Radiation Physics and Chemistry. 2020 Oct;175:108335. Epub 2019 May 15. doi: 10.1016/j.radphyschem.2019.05.025

Author

Saraev, A. A. ; Zaikina, O. O. ; Sosnin, G. A. et al. / XAS study of Mo-based dispersed catalysts for upgrading of heavy oil. In: Radiation Physics and Chemistry. 2020 ; Vol. 175.

BibTeX

@article{08a0c682092041f48245b858e501c6f0,
title = "XAS study of Mo-based dispersed catalysts for upgrading of heavy oil",
abstract = "Results of X-ray absorption spectroscopy study of Mo-based dispersed catalysts in the coke residue after catalytic steam cracking, catalytic cracking in the absence of water, and hydrocracking processes are reported. It was found that the catalyst precursor (ammonium heptamolybdate) is transformed to three different forms with the different ratios: MoO3, MoO2, and MoS2. After the catalytic steam cracking, the catalyst contains mainly MoO2 (∼74%), whereas after hydrocracking, the prevalent form is MoS2 (∼75%). The precursor after water-free catalytic cracking is transformed into 37% MoO2 and 63% MoS2. The catalyst genesis scheme in the processing of heavy oil was suggested, taking into account that reaction media affect the active phase formation, resulting in different composition and properties of products.",
keywords = "Catalytic cracking, Catalytic steam cracking, EXAFS, Heavy oil, Hydrocracking, Molybdenum oxide, Molybdenum sulfide, XANES",
author = "Saraev, {A. A.} and Zaikina, {O. O.} and Sosnin, {G. A.} and Yeletsky, {P. M.} and Tsapina, {A. M.} and Zubavichus, {Y. V.} and Yakovlev, {V. A.} and Kaichev, {V. V.}",
year = "2020",
month = oct,
doi = "10.1016/j.radphyschem.2019.05.025",
language = "English",
volume = "175",
journal = "Radiation Physics and Chemistry",
issn = "0969-806X",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - XAS study of Mo-based dispersed catalysts for upgrading of heavy oil

AU - Saraev, A. A.

AU - Zaikina, O. O.

AU - Sosnin, G. A.

AU - Yeletsky, P. M.

AU - Tsapina, A. M.

AU - Zubavichus, Y. V.

AU - Yakovlev, V. A.

AU - Kaichev, V. V.

PY - 2020/10

Y1 - 2020/10

N2 - Results of X-ray absorption spectroscopy study of Mo-based dispersed catalysts in the coke residue after catalytic steam cracking, catalytic cracking in the absence of water, and hydrocracking processes are reported. It was found that the catalyst precursor (ammonium heptamolybdate) is transformed to three different forms with the different ratios: MoO3, MoO2, and MoS2. After the catalytic steam cracking, the catalyst contains mainly MoO2 (∼74%), whereas after hydrocracking, the prevalent form is MoS2 (∼75%). The precursor after water-free catalytic cracking is transformed into 37% MoO2 and 63% MoS2. The catalyst genesis scheme in the processing of heavy oil was suggested, taking into account that reaction media affect the active phase formation, resulting in different composition and properties of products.

AB - Results of X-ray absorption spectroscopy study of Mo-based dispersed catalysts in the coke residue after catalytic steam cracking, catalytic cracking in the absence of water, and hydrocracking processes are reported. It was found that the catalyst precursor (ammonium heptamolybdate) is transformed to three different forms with the different ratios: MoO3, MoO2, and MoS2. After the catalytic steam cracking, the catalyst contains mainly MoO2 (∼74%), whereas after hydrocracking, the prevalent form is MoS2 (∼75%). The precursor after water-free catalytic cracking is transformed into 37% MoO2 and 63% MoS2. The catalyst genesis scheme in the processing of heavy oil was suggested, taking into account that reaction media affect the active phase formation, resulting in different composition and properties of products.

KW - Catalytic cracking

KW - Catalytic steam cracking

KW - EXAFS

KW - Heavy oil

KW - Hydrocracking

KW - Molybdenum oxide

KW - Molybdenum sulfide

KW - XANES

UR - http://www.scopus.com/inward/record.url?scp=85074611214&partnerID=8YFLogxK

U2 - 10.1016/j.radphyschem.2019.05.025

DO - 10.1016/j.radphyschem.2019.05.025

M3 - Article

AN - SCOPUS:85074611214

VL - 175

JO - Radiation Physics and Chemistry

JF - Radiation Physics and Chemistry

SN - 0969-806X

M1 - 108335

ER -

ID: 23906776