Hydrodeoxygenation of Fatty Acids, Triglycerides, and Ketones to Liquid Alkanes by a Pt–MoOx/TiO2 Catalyst
Various supported metal catalysts are screened for hydrogenation of lauric acid and 2‐octanone as model reactions for the transformation of biomass‐derived oxygenates to liquid alkanes (biofuels) in a batch reactor under solvent‐free conditions. Among the catalysts tested, Pt and MoOx co‐loaded on T...
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| Veröffentlicht in: | ChemCatChem 2017-07, Vol.9 (14), p.2822-2827 |
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| creator | Kon, Kenichi Toyao, Takashi Onodera, Wataru Siddiki, S. M. A. H. Shimizu, Ken‐ichi |
| description | Various supported metal catalysts are screened for hydrogenation of lauric acid and 2‐octanone as model reactions for the transformation of biomass‐derived oxygenates to liquid alkanes (biofuels) in a batch reactor under solvent‐free conditions. Among the catalysts tested, Pt and MoOx co‐loaded on TiO2 (Pt–MoOx/TiO2) shows the highest yields of n‐alkanes for both of the reactions. Pt–MoOx/TiO2 selectively catalyzes the hydrodeoxygenation of various fatty acids and triglycerides to n‐alkanes without C−C bond cleavage under 50 bar H2 and shows higher turnover numbers than the catalysts in the literature. Pt–MoOx/TiO2 is effective also for the hydrodeoxygenation of various ketones to the corresponding alkanes. In situ IR study of the reaction of adsorbed acetone under H2 suggests that the high activity of Pt–MoOx/TiO2 is attributed to the cooperation between Pt and Lewis acid sites of the MoOx/TiO2 support.
Hydrodeoxygenation without cleavage: Pt–MoOx/TiO2 shows high activity for the selective hydrodeoxygenation of fatty acids, triglycerides, and ketones under solvent‐free conditions to give n‐alkanes without C−C bond cleavage. H2 is dissociated by Pt sites and the C=O group coordinated to the Mon+ site undergoes Lewis acid activation. |
| doi_str_mv | 10.1002/cctc.201700219 |
| format | Article |
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Hydrodeoxygenation without cleavage: Pt–MoOx/TiO2 shows high activity for the selective hydrodeoxygenation of fatty acids, triglycerides, and ketones under solvent‐free conditions to give n‐alkanes without C−C bond cleavage. H2 is dissociated by Pt sites and the C=O group coordinated to the Mon+ site undergoes Lewis acid activation.</description><identifier>ISSN: 1867-3880</identifier><identifier>EISSN: 1867-3899</identifier><identifier>DOI: 10.1002/cctc.201700219</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Acetone ; Alkanes ; Catalysts ; Chemical reactions ; Cobalt ; Fatty acids ; hydrodeoxygenation ; Hydrogenation ; Ketones ; Lauric acid ; Lewis acid ; Platinum ; Titanium dioxide ; Titanium oxides ; Triglycerides</subject><ispartof>ChemCatChem, 2017-07, Vol.9 (14), p.2822-2827</ispartof><rights>2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-0501-0294</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fcctc.201700219$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fcctc.201700219$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Kon, Kenichi</creatorcontrib><creatorcontrib>Toyao, Takashi</creatorcontrib><creatorcontrib>Onodera, Wataru</creatorcontrib><creatorcontrib>Siddiki, S. M. A. H.</creatorcontrib><creatorcontrib>Shimizu, Ken‐ichi</creatorcontrib><title>Hydrodeoxygenation of Fatty Acids, Triglycerides, and Ketones to Liquid Alkanes by a Pt–MoOx/TiO2 Catalyst</title><title>ChemCatChem</title><description>Various supported metal catalysts are screened for hydrogenation of lauric acid and 2‐octanone as model reactions for the transformation of biomass‐derived oxygenates to liquid alkanes (biofuels) in a batch reactor under solvent‐free conditions. Among the catalysts tested, Pt and MoOx co‐loaded on TiO2 (Pt–MoOx/TiO2) shows the highest yields of n‐alkanes for both of the reactions. Pt–MoOx/TiO2 selectively catalyzes the hydrodeoxygenation of various fatty acids and triglycerides to n‐alkanes without C−C bond cleavage under 50 bar H2 and shows higher turnover numbers than the catalysts in the literature. Pt–MoOx/TiO2 is effective also for the hydrodeoxygenation of various ketones to the corresponding alkanes. In situ IR study of the reaction of adsorbed acetone under H2 suggests that the high activity of Pt–MoOx/TiO2 is attributed to the cooperation between Pt and Lewis acid sites of the MoOx/TiO2 support.
Hydrodeoxygenation without cleavage: Pt–MoOx/TiO2 shows high activity for the selective hydrodeoxygenation of fatty acids, triglycerides, and ketones under solvent‐free conditions to give n‐alkanes without C−C bond cleavage. H2 is dissociated by Pt sites and the C=O group coordinated to the Mon+ site undergoes Lewis acid activation.</description><subject>Acetone</subject><subject>Alkanes</subject><subject>Catalysts</subject><subject>Chemical reactions</subject><subject>Cobalt</subject><subject>Fatty acids</subject><subject>hydrodeoxygenation</subject><subject>Hydrogenation</subject><subject>Ketones</subject><subject>Lauric acid</subject><subject>Lewis acid</subject><subject>Platinum</subject><subject>Titanium dioxide</subject><subject>Titanium oxides</subject><subject>Triglycerides</subject><issn>1867-3880</issn><issn>1867-3899</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNo9kLFOwzAQhi0EEqWwMltiJe3ZbmJ7rCKgiKIyhNlyHLdyCXGbuKLeeAfekCchVVGnu-_XrzvpQ-iWwIgA0LExwYwoEN4DkWdoQETGEyakPD_tAi7RVdetATLJeDpA9SxWra-s38eVbXRwvsF-iR91CBFPjau6e1y0blVHY1tX2R51U-EXG3xjOxw8nrvtzlV4Wn_oQ1JGrPFb-P3-efWL_bhwC4pzHXQdu3CNLpa67uzN_xyi98eHIp8l88XTcz6dJ2sqpUxKYVgJy9IsUwFgBLeUpulkUgkDIDMJVmfGgJBZBlSzjKYEOKcZ5xOWQsnZEN0d725av93ZLqi137VN_1IRSalIGeWib8lj68vVNqpN6z51GxUBddCpDjrVSafK8yI_EfsDqDVq2A</recordid><startdate>20170724</startdate><enddate>20170724</enddate><creator>Kon, Kenichi</creator><creator>Toyao, Takashi</creator><creator>Onodera, Wataru</creator><creator>Siddiki, S. M. A. H.</creator><creator>Shimizu, Ken‐ichi</creator><general>Wiley Subscription Services, Inc</general><scope/><orcidid>https://orcid.org/0000-0003-0501-0294</orcidid></search><sort><creationdate>20170724</creationdate><title>Hydrodeoxygenation of Fatty Acids, Triglycerides, and Ketones to Liquid Alkanes by a Pt–MoOx/TiO2 Catalyst</title><author>Kon, Kenichi ; Toyao, Takashi ; Onodera, Wataru ; Siddiki, S. M. A. H. ; Shimizu, Ken‐ichi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j2999-b8c3b0fbcf5800c87e225544d8c009690ea6cc0896602a3625107726774350b73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Acetone</topic><topic>Alkanes</topic><topic>Catalysts</topic><topic>Chemical reactions</topic><topic>Cobalt</topic><topic>Fatty acids</topic><topic>hydrodeoxygenation</topic><topic>Hydrogenation</topic><topic>Ketones</topic><topic>Lauric acid</topic><topic>Lewis acid</topic><topic>Platinum</topic><topic>Titanium dioxide</topic><topic>Titanium oxides</topic><topic>Triglycerides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kon, Kenichi</creatorcontrib><creatorcontrib>Toyao, Takashi</creatorcontrib><creatorcontrib>Onodera, Wataru</creatorcontrib><creatorcontrib>Siddiki, S. M. A. H.</creatorcontrib><creatorcontrib>Shimizu, Ken‐ichi</creatorcontrib><jtitle>ChemCatChem</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kon, Kenichi</au><au>Toyao, Takashi</au><au>Onodera, Wataru</au><au>Siddiki, S. M. A. H.</au><au>Shimizu, Ken‐ichi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrodeoxygenation of Fatty Acids, Triglycerides, and Ketones to Liquid Alkanes by a Pt–MoOx/TiO2 Catalyst</atitle><jtitle>ChemCatChem</jtitle><date>2017-07-24</date><risdate>2017</risdate><volume>9</volume><issue>14</issue><spage>2822</spage><epage>2827</epage><pages>2822-2827</pages><issn>1867-3880</issn><eissn>1867-3899</eissn><abstract>Various supported metal catalysts are screened for hydrogenation of lauric acid and 2‐octanone as model reactions for the transformation of biomass‐derived oxygenates to liquid alkanes (biofuels) in a batch reactor under solvent‐free conditions. Among the catalysts tested, Pt and MoOx co‐loaded on TiO2 (Pt–MoOx/TiO2) shows the highest yields of n‐alkanes for both of the reactions. Pt–MoOx/TiO2 selectively catalyzes the hydrodeoxygenation of various fatty acids and triglycerides to n‐alkanes without C−C bond cleavage under 50 bar H2 and shows higher turnover numbers than the catalysts in the literature. Pt–MoOx/TiO2 is effective also for the hydrodeoxygenation of various ketones to the corresponding alkanes. In situ IR study of the reaction of adsorbed acetone under H2 suggests that the high activity of Pt–MoOx/TiO2 is attributed to the cooperation between Pt and Lewis acid sites of the MoOx/TiO2 support.
Hydrodeoxygenation without cleavage: Pt–MoOx/TiO2 shows high activity for the selective hydrodeoxygenation of fatty acids, triglycerides, and ketones under solvent‐free conditions to give n‐alkanes without C−C bond cleavage. H2 is dissociated by Pt sites and the C=O group coordinated to the Mon+ site undergoes Lewis acid activation.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/cctc.201700219</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-0501-0294</orcidid></addata></record> |
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| subjects | Acetone Alkanes Catalysts Chemical reactions Cobalt Fatty acids hydrodeoxygenation Hydrogenation Ketones Lauric acid Lewis acid Platinum Titanium dioxide Titanium oxides Triglycerides |
| title | Hydrodeoxygenation of Fatty Acids, Triglycerides, and Ketones to Liquid Alkanes by a Pt–MoOx/TiO2 Catalyst |
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