Gd-Co-Fe perovskite mixed oxides as catalysts for dry reforming of methane
The effect of substitution of cobalt by iron in perovskite-type oxides GdCoxFe1-xO3 (х = 0; 0.5 and 1) on their physical properties and catalytic performance in dry reforming of methane (DRM) was investigated. The perovskites were synthesized by sol-gel technology and characterized by XRD, DTG/TG, B...
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| Veröffentlicht in: | Sustainable chemistry and pharmacy 2022-12, Vol.30, p.100897, Article 100897 |
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| creator | Sheshko, T.F. Kryuchkova, T.A. Yafarova, L.V. Borodina, E.M. Serov, Y.M. Zvereva, I.A. Cherednichenko, A.G. |
| description | The effect of substitution of cobalt by iron in perovskite-type oxides GdCoxFe1-xO3 (х = 0; 0.5 and 1) on their physical properties and catalytic performance in dry reforming of methane (DRM) was investigated. The perovskites were synthesized by sol-gel technology and characterized by XRD, DTG/TG, BET specific area, TPR and SEM. It was established that the introduction of cobalt into the B site of the perovskite-type structure of ferrite leads to an increase in catalytic performance, and, consequently, to a decrease in the process temperature. It was found that catalytic activity depends on the proportion of cobalt in the B site and increases in the row: GdFeO3 |
| doi_str_mv | 10.1016/j.scp.2022.100897 |
| format | Article |
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[Display omitted]
•Gd-Co-Fe oxides have been prepared by a sol-gel method.•The influence of cobalt addition on structure and catalytic properties was investigated.•Adding Co increased catalytic performance of GdCoxFe1-xO3 (х = 0; 0.5; 1) perovskites.•The GdCoO3 showed superior activity in DRM for 120 h among other catalysts.•The A-site ion is responsible for the CO2 chemisorption, and the B-site ions (Fe and Co) – for the atomic hydrogen formation.</description><identifier>ISSN: 2352-5541</identifier><identifier>EISSN: 2352-5541</identifier><identifier>DOI: 10.1016/j.scp.2022.100897</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Carbon dioxide ; catalytic activity ; Cobalt ; ferrimagnetic materials ; Ferrites ; green chemistry ; hydrogen ; Hydrogen production ; iron ; methane ; Methane dry reforming ; Perovskite mixed oxides ; Syngas ; temperature</subject><ispartof>Sustainable chemistry and pharmacy, 2022-12, Vol.30, p.100897, Article 100897</ispartof><rights>2022 Elsevier B.V.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c260t-906bb75bb5222074949330c3dbf00d8c713b4425f7253252291a02b3bb73b0c83</citedby><cites>FETCH-LOGICAL-c260t-906bb75bb5222074949330c3dbf00d8c713b4425f7253252291a02b3bb73b0c83</cites><orcidid>0000-0003-4176-4085</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Sheshko, T.F.</creatorcontrib><creatorcontrib>Kryuchkova, T.A.</creatorcontrib><creatorcontrib>Yafarova, L.V.</creatorcontrib><creatorcontrib>Borodina, E.M.</creatorcontrib><creatorcontrib>Serov, Y.M.</creatorcontrib><creatorcontrib>Zvereva, I.A.</creatorcontrib><creatorcontrib>Cherednichenko, A.G.</creatorcontrib><title>Gd-Co-Fe perovskite mixed oxides as catalysts for dry reforming of methane</title><title>Sustainable chemistry and pharmacy</title><description>The effect of substitution of cobalt by iron in perovskite-type oxides GdCoxFe1-xO3 (х = 0; 0.5 and 1) on their physical properties and catalytic performance in dry reforming of methane (DRM) was investigated. The perovskites were synthesized by sol-gel technology and characterized by XRD, DTG/TG, BET specific area, TPR and SEM. It was established that the introduction of cobalt into the B site of the perovskite-type structure of ferrite leads to an increase in catalytic performance, and, consequently, to a decrease in the process temperature. It was found that catalytic activity depends on the proportion of cobalt in the B site and increases in the row: GdFeO3 < GdCo0.5Fe0.5O3 < GdCoO3. Probably, such behavior of Co-containing catalysts is associated with the formation and stabilization of a more catalytically active Co–Gd2O3 system under the action of the reaction mixture. It has been assumed that the element in A-site (Gd) is responsible for dissociative chemisorption of CO2 and ions in site B (Fe and Co) are responsible for the formation of atomic hydrogen.
[Display omitted]
•Gd-Co-Fe oxides have been prepared by a sol-gel method.•The influence of cobalt addition on structure and catalytic properties was investigated.•Adding Co increased catalytic performance of GdCoxFe1-xO3 (х = 0; 0.5; 1) perovskites.•The GdCoO3 showed superior activity in DRM for 120 h among other catalysts.•The A-site ion is responsible for the CO2 chemisorption, and the B-site ions (Fe and Co) – for the atomic hydrogen formation.</description><subject>Carbon dioxide</subject><subject>catalytic activity</subject><subject>Cobalt</subject><subject>ferrimagnetic materials</subject><subject>Ferrites</subject><subject>green chemistry</subject><subject>hydrogen</subject><subject>Hydrogen production</subject><subject>iron</subject><subject>methane</subject><subject>Methane dry reforming</subject><subject>Perovskite mixed oxides</subject><subject>Syngas</subject><subject>temperature</subject><issn>2352-5541</issn><issn>2352-5541</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kD9PwzAQxS0EEhX0A7B5ZEk5n-MmEROqaAFVYoHZiv8EXJI62GnVfntchYGJ6d5Jv3d69wi5YTBjwOZ3m1nU_QwBMe1QVsUZmSAXmAmRs_M_-pJMY9wAALKSVcAn5GVlsoXPlpb2Nvh9_HKDpZ07WEP9wRkbaR2proe6PcYh0sYHasKRBptU57Yf1De0s8NnvbXX5KKp22inv_OKvC8f3xZP2fp19bx4WGca5zBkFcyVKoRSAhGhyKu84hw0N6oBMKUuGFd5jqIpUHBMUMVqQMWTiSvQJb8it-PdPvjvnY2D7FzUtm1TBr-LEkueY1EK4AllI6qDjzGFln1wXR2OkoE8VSc3MlUnT9XJsbrkuR89Nv2wdzYkwtmttsYFqwdpvPvH_QPkF3Ra</recordid><startdate>202212</startdate><enddate>202212</enddate><creator>Sheshko, T.F.</creator><creator>Kryuchkova, T.A.</creator><creator>Yafarova, L.V.</creator><creator>Borodina, E.M.</creator><creator>Serov, Y.M.</creator><creator>Zvereva, I.A.</creator><creator>Cherednichenko, A.G.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0003-4176-4085</orcidid></search><sort><creationdate>202212</creationdate><title>Gd-Co-Fe perovskite mixed oxides as catalysts for dry reforming of methane</title><author>Sheshko, T.F. ; Kryuchkova, T.A. ; Yafarova, L.V. ; Borodina, E.M. ; Serov, Y.M. ; Zvereva, I.A. ; Cherednichenko, A.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c260t-906bb75bb5222074949330c3dbf00d8c713b4425f7253252291a02b3bb73b0c83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Carbon dioxide</topic><topic>catalytic activity</topic><topic>Cobalt</topic><topic>ferrimagnetic materials</topic><topic>Ferrites</topic><topic>green chemistry</topic><topic>hydrogen</topic><topic>Hydrogen production</topic><topic>iron</topic><topic>methane</topic><topic>Methane dry reforming</topic><topic>Perovskite mixed oxides</topic><topic>Syngas</topic><topic>temperature</topic><toplevel>online_resources</toplevel><creatorcontrib>Sheshko, T.F.</creatorcontrib><creatorcontrib>Kryuchkova, T.A.</creatorcontrib><creatorcontrib>Yafarova, L.V.</creatorcontrib><creatorcontrib>Borodina, E.M.</creatorcontrib><creatorcontrib>Serov, Y.M.</creatorcontrib><creatorcontrib>Zvereva, I.A.</creatorcontrib><creatorcontrib>Cherednichenko, A.G.</creatorcontrib><collection>CrossRef</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Sustainable chemistry and pharmacy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sheshko, T.F.</au><au>Kryuchkova, T.A.</au><au>Yafarova, L.V.</au><au>Borodina, E.M.</au><au>Serov, Y.M.</au><au>Zvereva, I.A.</au><au>Cherednichenko, A.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gd-Co-Fe perovskite mixed oxides as catalysts for dry reforming of methane</atitle><jtitle>Sustainable chemistry and pharmacy</jtitle><date>2022-12</date><risdate>2022</risdate><volume>30</volume><spage>100897</spage><pages>100897-</pages><artnum>100897</artnum><issn>2352-5541</issn><eissn>2352-5541</eissn><abstract>The effect of substitution of cobalt by iron in perovskite-type oxides GdCoxFe1-xO3 (х = 0; 0.5 and 1) on their physical properties and catalytic performance in dry reforming of methane (DRM) was investigated. The perovskites were synthesized by sol-gel technology and characterized by XRD, DTG/TG, BET specific area, TPR and SEM. It was established that the introduction of cobalt into the B site of the perovskite-type structure of ferrite leads to an increase in catalytic performance, and, consequently, to a decrease in the process temperature. It was found that catalytic activity depends on the proportion of cobalt in the B site and increases in the row: GdFeO3 < GdCo0.5Fe0.5O3 < GdCoO3. Probably, such behavior of Co-containing catalysts is associated with the formation and stabilization of a more catalytically active Co–Gd2O3 system under the action of the reaction mixture. It has been assumed that the element in A-site (Gd) is responsible for dissociative chemisorption of CO2 and ions in site B (Fe and Co) are responsible for the formation of atomic hydrogen.
[Display omitted]
•Gd-Co-Fe oxides have been prepared by a sol-gel method.•The influence of cobalt addition on structure and catalytic properties was investigated.•Adding Co increased catalytic performance of GdCoxFe1-xO3 (х = 0; 0.5; 1) perovskites.•The GdCoO3 showed superior activity in DRM for 120 h among other catalysts.•The A-site ion is responsible for the CO2 chemisorption, and the B-site ions (Fe and Co) – for the atomic hydrogen formation.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.scp.2022.100897</doi><orcidid>https://orcid.org/0000-0003-4176-4085</orcidid></addata></record> |
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| subjects | Carbon dioxide catalytic activity Cobalt ferrimagnetic materials Ferrites green chemistry hydrogen Hydrogen production iron methane Methane dry reforming Perovskite mixed oxides Syngas temperature |
| title | Gd-Co-Fe perovskite mixed oxides as catalysts for dry reforming of methane |
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