Conversion of Methane and n-Pentane over Pt-Sn/γ-Al2O3 Systems under non-Oxidative Conditions Full article
| Conference |
ХХI Mendeleev Congress on General and Applied Chemistry 09-13 Sep 2019 , Санкт-Петербург |
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| Journal |
Russian Chemical Bulletin
ISSN: 1066-5285 , E-ISSN: 1573-9171 |
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| Output data | Year: 2020, Volume: 69, Number: 9, Pages: 1703-1708 Pages count : 6 DOI: 10.1007/s11172-020-2951-z | ||
| Tags | aromatic hydrocarbons; hydrocarbon particles; methane; non-oxidative conversion; platinum; tin | ||
| Authors |
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| Affiliations |
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Funding (1)
| 1 | Federal Agency for Scientific Organizations | V.46.2.4 |
Abstract:
Monometallic catalysts Pt/Al2O3 and Sn/Al2O3 and bimetallic systems Pt—Sn/Al2O3 with the platinum and tin contents ∼0.51 and 0.13–0.38 wt.%, respectively, were synthesized. The introduction of tin into the Pt/Al2O3 catalyst decreases the electron deficiency and dispersion of platinum but exerts almost no effect on the concentration of the Lewis acid sites on the support surface. The degree of dehydrogenation of the activated forms of methane (CHx fragments) on the catalysts with tin additives is lower than that on the surface of the monometallic Pt/Al2O3 catalyst. The reactivity of the CHx species formed on the surface of the Pt—Sn/Al2O3 samples was studied in the co-conversion of the activated forms of CH4 with n-pentane to benzene and toluene under the non-oxidative conditions. The introduction of tin into the Pt/Al2O3 decreases the electron deficiency of platinum but does not decrease the yield of aromatic hydrocarbons. The modifying effect of tin appears as a decrease in the degree of dehydrogenation of the activated forms of methane, which results in an increase in the reactivity of activated methane during co-conversion with n-pentane.
Cite:
Kazakova O.A.
, Vinichenko N.V.
, Golinskii D.V.
, Belyi A.S.
Conversion of Methane and n-Pentane over Pt-Sn/γ-Al2O3 Systems under non-Oxidative Conditions
Russian Chemical Bulletin. 2020. V.69. N9. P.1703-1708. DOI: 10.1007/s11172-020-2951-z WOS Scopus РИНЦ AN OpenAlex
Conversion of Methane and n-Pentane over Pt-Sn/γ-Al2O3 Systems under non-Oxidative Conditions
Russian Chemical Bulletin. 2020. V.69. N9. P.1703-1708. DOI: 10.1007/s11172-020-2951-z WOS Scopus РИНЦ AN OpenAlex
Original:
Казакова О.А.
, Виниченко Н.В.
, Голинский Д.В.
, Белый А.С.
Превращение метана и н-пентана в неокислительных условиях в присутствии катализаторов Pt—Sn/γ-Al2O3
Известия Академии наук. Серия химическая. 2020. №9. С.1703-1708. РИНЦ
Превращение метана и н-пентана в неокислительных условиях в присутствии катализаторов Pt—Sn/γ-Al2O3
Известия Академии наук. Серия химическая. 2020. №9. С.1703-1708. РИНЦ
Dates:
| Submitted: | Oct 1, 2019 |
| Accepted: | May 1, 2020 |
| Published print: | Oct 10, 2020 |
| Published online: | Oct 10, 2020 |
Identifiers:
| Web of science: | WOS:000576572500008 |
| Scopus: | 2-s2.0-85092356790 |
| Elibrary: | 45238894 |
| Chemical Abstracts: | 2020:2053984 |
| OpenAlex: | W3092243617 |