Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites

Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr &...
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Autor*in:	Mahmudov, K. T. [verfasserIn] Kerimli, F. Sh. Mammadov, E. S. Gurbanov, A. V. Akhmedova, N. F. Mammadov, S. E.

Format:	Artikel
Sprache:	Englisch

Erschienen:	2022

Anmerkung:	© Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129.

Übergeordnetes Werk:	Enthalten in: Petroleum chemistry - Pleiades Publishing, 1962, 62(2022), 8 vom: 07. Juli, Seite 933-941
Übergeordnetes Werk:	volume:62 ; year:2022 ; number:8 ; day:07 ; month:07 ; pages:933-941

Links:	Volltext

DOI / URN:	10.1134/S0965544122060147

Katalog-ID:	OLC2132088152

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520			\|a Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C.
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allfields	10.1134/S0965544122060147 doi (DE-627)OLC2132088152 (DE-He213)S0965544122060147-p DE-627 ger DE-627 rakwb eng 690 VZ Mahmudov, K. T. verfasserin (orcid)0000-0003-0743-6520 aut Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129. Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. Kerimli, F. Sh. (orcid)0000-0001-7772-8583 aut Mammadov, E. S. (orcid)0000-0003-4122-6391 aut Gurbanov, A. V. (orcid)0000-0003-1415-8012 aut Akhmedova, N. F. (orcid)0000-0003-0912-8687 aut Mammadov, S. E. (orcid)0000-0002-8099-9496 aut Enthalten in Petroleum chemistry Pleiades Publishing, 1962 62(2022), 8 vom: 07. Juli, Seite 933-941 (DE-627)129598399 (DE-600)241025-4 (DE-576)015091651 0965-5441 nnns volume:62 year:2022 number:8 day:07 month:07 pages:933-941 https://doi.org/10.1134/S0965544122060147 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC AR 62 2022 8 07 07 933-941
spelling	10.1134/S0965544122060147 doi (DE-627)OLC2132088152 (DE-He213)S0965544122060147-p DE-627 ger DE-627 rakwb eng 690 VZ Mahmudov, K. T. verfasserin (orcid)0000-0003-0743-6520 aut Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129. Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. Kerimli, F. Sh. (orcid)0000-0001-7772-8583 aut Mammadov, E. S. (orcid)0000-0003-4122-6391 aut Gurbanov, A. V. (orcid)0000-0003-1415-8012 aut Akhmedova, N. F. (orcid)0000-0003-0912-8687 aut Mammadov, S. E. (orcid)0000-0002-8099-9496 aut Enthalten in Petroleum chemistry Pleiades Publishing, 1962 62(2022), 8 vom: 07. Juli, Seite 933-941 (DE-627)129598399 (DE-600)241025-4 (DE-576)015091651 0965-5441 nnns volume:62 year:2022 number:8 day:07 month:07 pages:933-941 https://doi.org/10.1134/S0965544122060147 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC AR 62 2022 8 07 07 933-941
allfields_unstemmed	10.1134/S0965544122060147 doi (DE-627)OLC2132088152 (DE-He213)S0965544122060147-p DE-627 ger DE-627 rakwb eng 690 VZ Mahmudov, K. T. verfasserin (orcid)0000-0003-0743-6520 aut Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129. Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. Kerimli, F. Sh. (orcid)0000-0001-7772-8583 aut Mammadov, E. S. (orcid)0000-0003-4122-6391 aut Gurbanov, A. V. (orcid)0000-0003-1415-8012 aut Akhmedova, N. F. (orcid)0000-0003-0912-8687 aut Mammadov, S. E. (orcid)0000-0002-8099-9496 aut Enthalten in Petroleum chemistry Pleiades Publishing, 1962 62(2022), 8 vom: 07. Juli, Seite 933-941 (DE-627)129598399 (DE-600)241025-4 (DE-576)015091651 0965-5441 nnns volume:62 year:2022 number:8 day:07 month:07 pages:933-941 https://doi.org/10.1134/S0965544122060147 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC AR 62 2022 8 07 07 933-941
allfieldsGer	10.1134/S0965544122060147 doi (DE-627)OLC2132088152 (DE-He213)S0965544122060147-p DE-627 ger DE-627 rakwb eng 690 VZ Mahmudov, K. T. verfasserin (orcid)0000-0003-0743-6520 aut Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129. Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. Kerimli, F. Sh. (orcid)0000-0001-7772-8583 aut Mammadov, E. S. (orcid)0000-0003-4122-6391 aut Gurbanov, A. V. (orcid)0000-0003-1415-8012 aut Akhmedova, N. F. (orcid)0000-0003-0912-8687 aut Mammadov, S. E. (orcid)0000-0002-8099-9496 aut Enthalten in Petroleum chemistry Pleiades Publishing, 1962 62(2022), 8 vom: 07. Juli, Seite 933-941 (DE-627)129598399 (DE-600)241025-4 (DE-576)015091651 0965-5441 nnns volume:62 year:2022 number:8 day:07 month:07 pages:933-941 https://doi.org/10.1134/S0965544122060147 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC AR 62 2022 8 07 07 933-941
allfieldsSound	10.1134/S0965544122060147 doi (DE-627)OLC2132088152 (DE-He213)S0965544122060147-p DE-627 ger DE-627 rakwb eng 690 VZ Mahmudov, K. T. verfasserin (orcid)0000-0003-0743-6520 aut Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129. Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. Kerimli, F. Sh. (orcid)0000-0001-7772-8583 aut Mammadov, E. S. (orcid)0000-0003-4122-6391 aut Gurbanov, A. V. (orcid)0000-0003-1415-8012 aut Akhmedova, N. F. (orcid)0000-0003-0912-8687 aut Mammadov, S. E. (orcid)0000-0002-8099-9496 aut Enthalten in Petroleum chemistry Pleiades Publishing, 1962 62(2022), 8 vom: 07. Juli, Seite 933-941 (DE-627)129598399 (DE-600)241025-4 (DE-576)015091651 0965-5441 nnns volume:62 year:2022 number:8 day:07 month:07 pages:933-941 https://doi.org/10.1134/S0965544122060147 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC AR 62 2022 8 07 07 933-941
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title	Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites
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title_full	Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites
author_sort	Mahmudov, K. T.
journal	Petroleum chemistry
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author_browse	Mahmudov, K. T. Kerimli, F. Sh. Mammadov, E. S. Gurbanov, A. V. Akhmedova, N. F. Mammadov, S. E.
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author-letter	Mahmudov, K. T.
doi_str_mv	10.1134/S0965544122060147
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title_sort	catalytic disproportionation of ethylbenzene over ln-modified hzsm-5 zeolites
title_auth	Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites
abstract	Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129.
abstractGer	Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129.
abstract_unstemmed	Abstract A series of lanthanide (Ln) modified zeolites, Pr/HZSM-5, Gd/HZSM-5, Ho/HZSM-5, and Yb/HZSM-5 have been prepared and characterized by XRPD, IR, and atomic absorption spectroscopies. In Ln/HZSM-5, concentration of the Brønsted acid sites decreases with the increase of ionic radii of Ln (Pr > Gd > Ho > Yb) and with the Ln loading, while concentration of the Lewis acid sites increases. The conversion of EB and production of diethylbenzenes (DEBs) over the Ln/HZSM-5 catalysts and parent HZSM-5 have been studied using a flow fixed-bed reactor; the reaction temperature was varied from 300 to 450°C. The m-DEB and p-DEB isomers are the main products at the studied conditions. The highest yield of DEBs of ca. 22.2% (7.8% m-DEB and 14.4% p-DEB) with EB conversion of 42.4% was obtained over 5 wt % Yb-HZSM-5 catalyst at 400°C. © Pleiades Publishing, Ltd. 2022. Russian Text © The Author(s), 2022, published in Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2022, Vol. 4, No. 2, pp. 122–129.
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title_short	Catalytic Disproportionation of Ethylbenzene over Ln-Modified HZSM-5 Zeolites
url	https://doi.org/10.1134/S0965544122060147
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author2	Kerimli, F. Sh Mammadov, E. S. Gurbanov, A. V. Akhmedova, N. F. Mammadov, S. E.
author2Str	Kerimli, F. Sh Mammadov, E. S. Gurbanov, A. V. Akhmedova, N. F. Mammadov, S. E.
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doi_str	10.1134/S0965544122060147
up_date	2024-07-04T11:48:14.481Z
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