Rapidly Quenched Skeletal Fe-Based Catalysts for Fischer−Tropsch Synthesis
A novel, rapidly quenched skeletal Fe catalyst (RQ Fe) has been prepared by alkali leaching of the Fe50Al50 alloy solidified by the rapid quenching technique and tested in gas phase Fischer−Tropsch synthesis (FTS). Characterizations demonstrate that the RQ Fe catalyst has larger specific surface are...
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| Veröffentlicht in: | Industrial & engineering chemistry research 2008-08, Vol.47 (16), p.5918-5923 |
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| container_title | Industrial & engineering chemistry research |
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| creator | Fan, Jian G Zong, Bao N Zhang, Xiao X Meng, Xiang K Mu, Xu H Yu, Guo B Qiao, Ming H Fan, Kang N |
| description | A novel, rapidly quenched skeletal Fe catalyst (RQ Fe) has been prepared by alkali leaching of the Fe50Al50 alloy solidified by the rapid quenching technique and tested in gas phase Fischer−Tropsch synthesis (FTS). Characterizations demonstrate that the RQ Fe catalyst has larger specific surface area, smaller crystallite size, and higher population of the Fe(111) surface than the conventional Raney Fe catalyst prepared from the naturally solidified Fe50Al50 alloy. As compared to Raney Fe, which has FTS activity equivalent to the precipitated Fe catalyst while higher than the fused Fe catalyst, RQ Fe is 25% more active. Promotion of the RQ Fe catalyst with Mn or K further improves the FTS activity, selectivities to alkenes and higher alkanes, as well as the catalytic stability, showing that the rapid quenching technique is promising in the preparation of skeletal Fe-based catalysts with improved FTS performance. |
| doi_str_mv | 10.1021/ie800285h |
| format | Article |
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Characterizations demonstrate that the RQ Fe catalyst has larger specific surface area, smaller crystallite size, and higher population of the Fe(111) surface than the conventional Raney Fe catalyst prepared from the naturally solidified Fe50Al50 alloy. As compared to Raney Fe, which has FTS activity equivalent to the precipitated Fe catalyst while higher than the fused Fe catalyst, RQ Fe is 25% more active. Promotion of the RQ Fe catalyst with Mn or K further improves the FTS activity, selectivities to alkenes and higher alkanes, as well as the catalytic stability, showing that the rapid quenching technique is promising in the preparation of skeletal Fe-based catalysts with improved FTS performance.</description><identifier>ISSN: 0888-5885</identifier><identifier>EISSN: 1520-5045</identifier><identifier>DOI: 10.1021/ie800285h</identifier><identifier>CODEN: IECRED</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Applied sciences ; Catalysis ; Catalytic reactions ; Chemical engineering ; Chemistry ; Exact sciences and technology ; General and physical chemistry ; Kinetics, Catalysis, and Reaction Engineering ; Reactors ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><ispartof>Industrial & engineering chemistry research, 2008-08, Vol.47 (16), p.5918-5923</ispartof><rights>Copyright © 2008 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a359t-c7f61a43e2d9f3a7b8f74c9f59f3086466d67f1abced1713995e2f1750f9ddf93</citedby><cites>FETCH-LOGICAL-a359t-c7f61a43e2d9f3a7b8f74c9f59f3086466d67f1abced1713995e2f1750f9ddf93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/ie800285h$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/ie800285h$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2751,27055,27903,27904,56716,56766</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23309402$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Fan, Jian G</creatorcontrib><creatorcontrib>Zong, Bao N</creatorcontrib><creatorcontrib>Zhang, Xiao X</creatorcontrib><creatorcontrib>Meng, Xiang K</creatorcontrib><creatorcontrib>Mu, Xu H</creatorcontrib><creatorcontrib>Yu, Guo B</creatorcontrib><creatorcontrib>Qiao, Ming H</creatorcontrib><creatorcontrib>Fan, Kang N</creatorcontrib><title>Rapidly Quenched Skeletal Fe-Based Catalysts for Fischer−Tropsch Synthesis</title><title>Industrial & engineering chemistry research</title><addtitle>Ind. Eng. Chem. Res</addtitle><description>A novel, rapidly quenched skeletal Fe catalyst (RQ Fe) has been prepared by alkali leaching of the Fe50Al50 alloy solidified by the rapid quenching technique and tested in gas phase Fischer−Tropsch synthesis (FTS). Characterizations demonstrate that the RQ Fe catalyst has larger specific surface area, smaller crystallite size, and higher population of the Fe(111) surface than the conventional Raney Fe catalyst prepared from the naturally solidified Fe50Al50 alloy. As compared to Raney Fe, which has FTS activity equivalent to the precipitated Fe catalyst while higher than the fused Fe catalyst, RQ Fe is 25% more active. Promotion of the RQ Fe catalyst with Mn or K further improves the FTS activity, selectivities to alkenes and higher alkanes, as well as the catalytic stability, showing that the rapid quenching technique is promising in the preparation of skeletal Fe-based catalysts with improved FTS performance.</description><subject>Applied sciences</subject><subject>Catalysis</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Kinetics, Catalysis, and Reaction Engineering</subject><subject>Reactors</subject><subject>Theory of reactions, general kinetics. Catalysis. 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Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fan, Jian G</creatorcontrib><creatorcontrib>Zong, Bao N</creatorcontrib><creatorcontrib>Zhang, Xiao X</creatorcontrib><creatorcontrib>Meng, Xiang K</creatorcontrib><creatorcontrib>Mu, Xu H</creatorcontrib><creatorcontrib>Yu, Guo B</creatorcontrib><creatorcontrib>Qiao, Ming H</creatorcontrib><creatorcontrib>Fan, Kang N</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><jtitle>Industrial & engineering chemistry research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fan, Jian G</au><au>Zong, Bao N</au><au>Zhang, Xiao X</au><au>Meng, Xiang K</au><au>Mu, Xu H</au><au>Yu, Guo B</au><au>Qiao, Ming H</au><au>Fan, Kang N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rapidly Quenched Skeletal Fe-Based Catalysts for Fischer−Tropsch Synthesis</atitle><jtitle>Industrial & engineering chemistry research</jtitle><addtitle>Ind. Eng. Chem. Res</addtitle><date>2008-08-20</date><risdate>2008</risdate><volume>47</volume><issue>16</issue><spage>5918</spage><epage>5923</epage><pages>5918-5923</pages><issn>0888-5885</issn><eissn>1520-5045</eissn><coden>IECRED</coden><abstract>A novel, rapidly quenched skeletal Fe catalyst (RQ Fe) has been prepared by alkali leaching of the Fe50Al50 alloy solidified by the rapid quenching technique and tested in gas phase Fischer−Tropsch synthesis (FTS). Characterizations demonstrate that the RQ Fe catalyst has larger specific surface area, smaller crystallite size, and higher population of the Fe(111) surface than the conventional Raney Fe catalyst prepared from the naturally solidified Fe50Al50 alloy. As compared to Raney Fe, which has FTS activity equivalent to the precipitated Fe catalyst while higher than the fused Fe catalyst, RQ Fe is 25% more active. Promotion of the RQ Fe catalyst with Mn or K further improves the FTS activity, selectivities to alkenes and higher alkanes, as well as the catalytic stability, showing that the rapid quenching technique is promising in the preparation of skeletal Fe-based catalysts with improved FTS performance.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ie800285h</doi><tpages>6</tpages></addata></record> |
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| subjects | Applied sciences Catalysis Catalytic reactions Chemical engineering Chemistry Exact sciences and technology General and physical chemistry Kinetics, Catalysis, and Reaction Engineering Reactors Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | Rapidly Quenched Skeletal Fe-Based Catalysts for Fischer−Tropsch Synthesis |
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