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Catalytic upgrading of biomass-derived vapors on carbon aerogel-supported Ni: Effect of temperature, metal cluster size and catalyst-to-biomass ratio
A comprehensive study of carbon aerogel-supported nickel (Ni/CAG) in the catalytic fast pyrolysis (CFP) of torrefied Eucalyptus globulus was performed in a micropyrolysis unit (Py-GCMS). Effects of pyrolysis temperatures (450–600 °C), catalyst-to-biomass ratio (1:1
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| Published in: | Fuel processing technology 2018-09, Vol.178, p.251-261 |
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| Main Authors: | , , , , , |
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| cites | cdi_FETCH-LOGICAL-c371t-c1ffe824cdc3b2d26faefec9dbede2ac6c1f1fe336c674129270bbaf38ae09693 |
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| container_title | Fuel processing technology |
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| creator | Arteaga-Pérez, Luis E. Jiménez, Romel Grob, Nicolas Gómez, Oscar Romero, Romina Ronsse, Frederik |
| description | A comprehensive study of carbon aerogel-supported nickel (Ni/CAG) in the catalytic fast pyrolysis (CFP) of torrefied Eucalyptus globulus was performed in a micropyrolysis unit (Py-GCMS). Effects of pyrolysis temperatures (450–600 °C), catalyst-to-biomass ratio (1:1 |
| doi_str_mv | 10.1016/j.fuproc.2018.05.036 |
| format | article |
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•Improved bio-oil composition by torrefaction pretreatment of Eucalyptus globulus.•Upgrading reactions increased above 550 °C, for Ni/CAG-catalyzed pyrolysis.•Ni/CAG was active for hydrogenation under H2-depleted atmosphere.•Ni/CAG promoted hydrogenation on metal facets and deoxygenation on step/corners.</description><identifier>ISSN: 0378-3820</identifier><identifier>EISSN: 1873-7188</identifier><identifier>DOI: 10.1016/j.fuproc.2018.05.036</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Adsorption ; Aerogels ; Biomass ; Carbon ; Carbon aerogel ; Carboxylic acids ; Catalysis ; Catalysts ; Catalytic fast pyrolysis ; Deoxygenation ; Eucalyptus ; Functional groups ; Furans ; Hydrogenation ; Ketones ; Metal clusters ; Nickel ; Phenols ; Pyrolysis ; Reaction route ; Reforming ; Selectivity ; Studies ; Synergistic effect ; Temperature effects ; Torrefaction ; Transalkylation ; Transmission electron microscopy ; Water gas ; X-ray diffraction</subject><ispartof>Fuel processing technology, 2018-09, Vol.178, p.251-261</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier Science Ltd. Sep 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c371t-c1ffe824cdc3b2d26faefec9dbede2ac6c1f1fe336c674129270bbaf38ae09693</citedby><cites>FETCH-LOGICAL-c371t-c1ffe824cdc3b2d26faefec9dbede2ac6c1f1fe336c674129270bbaf38ae09693</cites><orcidid>0000-0003-3982-4165 ; 0000-0002-8238-3900 ; 0000-0003-0963-1637</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Arteaga-Pérez, Luis E.</creatorcontrib><creatorcontrib>Jiménez, Romel</creatorcontrib><creatorcontrib>Grob, Nicolas</creatorcontrib><creatorcontrib>Gómez, Oscar</creatorcontrib><creatorcontrib>Romero, Romina</creatorcontrib><creatorcontrib>Ronsse, Frederik</creatorcontrib><title>Catalytic upgrading of biomass-derived vapors on carbon aerogel-supported Ni: Effect of temperature, metal cluster size and catalyst-to-biomass ratio</title><title>Fuel processing technology</title><description>A comprehensive study of carbon aerogel-supported nickel (Ni/CAG) in the catalytic fast pyrolysis (CFP) of torrefied Eucalyptus globulus was performed in a micropyrolysis unit (Py-GCMS). Effects of pyrolysis temperatures (450–600 °C), catalyst-to-biomass ratio (1:1 < C-to-B < 10:1) and metal cluster sizes (9.6 < Dpi < 21) on upgrading reactions were analyzed. Catalysts were characterized by N2 adsorption-desorption at 77 K, X-ray diffraction (XRD) and Transmission Electron Microscopy (TEM). Regardless the use of catalysts, the pyrolysis vapors produced from torrefied biomass were depleted in carboxylic acids (selectivity < 7%). Furthermore, the CFP decreased the selectivity to furans and ketones by almost 50%, while phenols increased in a similar proportion. Despite the similarities in the selectivity distribution of these functional groups in all the CFP experiments, their internal composition was rather different owing to the changes in temperature, C-to-B ratio and catalyst cluster sizes. Ni/CAG was active for hydrogenation under H2-depleted atmosphere, presumably by a synergistic effect between water gas shift and reforming reactions with transalkylation and decarbonylation of phenolics and furanics. It was demonstrated that metal cluster sizes influenced the reaction routes by favoring hydrogenation on metal facets and deoxygenation on step/corners sites.
•Improved bio-oil composition by torrefaction pretreatment of Eucalyptus globulus.•Upgrading reactions increased above 550 °C, for Ni/CAG-catalyzed pyrolysis.•Ni/CAG was active for hydrogenation under H2-depleted atmosphere.•Ni/CAG promoted hydrogenation on metal facets and deoxygenation on step/corners.</description><subject>Adsorption</subject><subject>Aerogels</subject><subject>Biomass</subject><subject>Carbon</subject><subject>Carbon aerogel</subject><subject>Carboxylic acids</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic fast pyrolysis</subject><subject>Deoxygenation</subject><subject>Eucalyptus</subject><subject>Functional groups</subject><subject>Furans</subject><subject>Hydrogenation</subject><subject>Ketones</subject><subject>Metal clusters</subject><subject>Nickel</subject><subject>Phenols</subject><subject>Pyrolysis</subject><subject>Reaction route</subject><subject>Reforming</subject><subject>Selectivity</subject><subject>Studies</subject><subject>Synergistic effect</subject><subject>Temperature effects</subject><subject>Torrefaction</subject><subject>Transalkylation</subject><subject>Transmission electron microscopy</subject><subject>Water gas</subject><subject>X-ray diffraction</subject><issn>0378-3820</issn><issn>1873-7188</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kc1KAzEUhYMoWKtv4CLg1oz5aTMzLgQp_oHoRtchk9yUlHYyJpmCvofva0q7dnUX95zzce9B6JLRilEmb1aVG4cYTMUpayo6r6iQR2jCmlqQmjXNMZpQUTdENJyeorOUVpTS-bytJ-h3obNef2dv8Dgso7a-X-LgcOfDRqdELES_BYu3eggx4dBjo2NXhoYYlrAmaRzKJhfJm7_FD86BybuADJsBos5jhGu8gQLBZj2mDBEn_wNY97ZE7dgpkxzIAYiLxYdzdOL0OsHFYU7R5-PDx-KZvL4_vSzuX4kRNcvEsIJr-MxYIzpuuXQaCr-1HVjg2sgiYA6EkEbWM8ZbXtOu0040GmgrWzFFV_vc8r2vEVJWqzDGviAVZ0xIygSVRTXbq0wMKUVwaoh-o-O3YlTtClArtS9A7QpQdK5KAcV2t7dBuWDrIapkPPQGrI_lScoG_3_AH_CGlak</recordid><startdate>20180901</startdate><enddate>20180901</enddate><creator>Arteaga-Pérez, Luis E.</creator><creator>Jiménez, Romel</creator><creator>Grob, Nicolas</creator><creator>Gómez, Oscar</creator><creator>Romero, Romina</creator><creator>Ronsse, Frederik</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-3982-4165</orcidid><orcidid>https://orcid.org/0000-0002-8238-3900</orcidid><orcidid>https://orcid.org/0000-0003-0963-1637</orcidid></search><sort><creationdate>20180901</creationdate><title>Catalytic upgrading of biomass-derived vapors on carbon aerogel-supported Ni: Effect of temperature, metal cluster size and catalyst-to-biomass ratio</title><author>Arteaga-Pérez, Luis E. ; Jiménez, Romel ; Grob, Nicolas ; Gómez, Oscar ; Romero, Romina ; Ronsse, Frederik</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-c1ffe824cdc3b2d26faefec9dbede2ac6c1f1fe336c674129270bbaf38ae09693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Adsorption</topic><topic>Aerogels</topic><topic>Biomass</topic><topic>Carbon</topic><topic>Carbon aerogel</topic><topic>Carboxylic acids</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Catalytic fast pyrolysis</topic><topic>Deoxygenation</topic><topic>Eucalyptus</topic><topic>Functional groups</topic><topic>Furans</topic><topic>Hydrogenation</topic><topic>Ketones</topic><topic>Metal clusters</topic><topic>Nickel</topic><topic>Phenols</topic><topic>Pyrolysis</topic><topic>Reaction route</topic><topic>Reforming</topic><topic>Selectivity</topic><topic>Studies</topic><topic>Synergistic effect</topic><topic>Temperature effects</topic><topic>Torrefaction</topic><topic>Transalkylation</topic><topic>Transmission electron microscopy</topic><topic>Water gas</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Arteaga-Pérez, Luis E.</creatorcontrib><creatorcontrib>Jiménez, Romel</creatorcontrib><creatorcontrib>Grob, Nicolas</creatorcontrib><creatorcontrib>Gómez, Oscar</creatorcontrib><creatorcontrib>Romero, Romina</creatorcontrib><creatorcontrib>Ronsse, Frederik</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Fuel processing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Arteaga-Pérez, Luis E.</au><au>Jiménez, Romel</au><au>Grob, Nicolas</au><au>Gómez, Oscar</au><au>Romero, Romina</au><au>Ronsse, Frederik</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Catalytic upgrading of biomass-derived vapors on carbon aerogel-supported Ni: Effect of temperature, metal cluster size and catalyst-to-biomass ratio</atitle><jtitle>Fuel processing technology</jtitle><date>2018-09-01</date><risdate>2018</risdate><volume>178</volume><spage>251</spage><epage>261</epage><pages>251-261</pages><issn>0378-3820</issn><eissn>1873-7188</eissn><abstract>A comprehensive study of carbon aerogel-supported nickel (Ni/CAG) in the catalytic fast pyrolysis (CFP) of torrefied Eucalyptus globulus was performed in a micropyrolysis unit (Py-GCMS). Effects of pyrolysis temperatures (450–600 °C), catalyst-to-biomass ratio (1:1 < C-to-B < 10:1) and metal cluster sizes (9.6 < Dpi < 21) on upgrading reactions were analyzed. Catalysts were characterized by N2 adsorption-desorption at 77 K, X-ray diffraction (XRD) and Transmission Electron Microscopy (TEM). Regardless the use of catalysts, the pyrolysis vapors produced from torrefied biomass were depleted in carboxylic acids (selectivity < 7%). Furthermore, the CFP decreased the selectivity to furans and ketones by almost 50%, while phenols increased in a similar proportion. Despite the similarities in the selectivity distribution of these functional groups in all the CFP experiments, their internal composition was rather different owing to the changes in temperature, C-to-B ratio and catalyst cluster sizes. Ni/CAG was active for hydrogenation under H2-depleted atmosphere, presumably by a synergistic effect between water gas shift and reforming reactions with transalkylation and decarbonylation of phenolics and furanics. It was demonstrated that metal cluster sizes influenced the reaction routes by favoring hydrogenation on metal facets and deoxygenation on step/corners sites.
•Improved bio-oil composition by torrefaction pretreatment of Eucalyptus globulus.•Upgrading reactions increased above 550 °C, for Ni/CAG-catalyzed pyrolysis.•Ni/CAG was active for hydrogenation under H2-depleted atmosphere.•Ni/CAG promoted hydrogenation on metal facets and deoxygenation on step/corners.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.fuproc.2018.05.036</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-3982-4165</orcidid><orcidid>https://orcid.org/0000-0002-8238-3900</orcidid><orcidid>https://orcid.org/0000-0003-0963-1637</orcidid></addata></record> |
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| ispartof | Fuel processing technology, 2018-09, Vol.178, p.251-261 |
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| source | Elsevier |
| subjects | Adsorption Aerogels Biomass Carbon Carbon aerogel Carboxylic acids Catalysis Catalysts Catalytic fast pyrolysis Deoxygenation Eucalyptus Functional groups Furans Hydrogenation Ketones Metal clusters Nickel Phenols Pyrolysis Reaction route Reforming Selectivity Studies Synergistic effect Temperature effects Torrefaction Transalkylation Transmission electron microscopy Water gas X-ray diffraction |
| title | Catalytic upgrading of biomass-derived vapors on carbon aerogel-supported Ni: Effect of temperature, metal cluster size and catalyst-to-biomass ratio |
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