Catalytic deoxygenation of C18 fatty acids over mesoporous Pd/C catalyst for synthesis of biofuels

Irina Simakova; Bartosz Rozmysłowicz; Olga Simakova; Päivi Mäki-Arvela; Andrey Simakov; Dmitry Yu Murzin

doi:10.1007/s11244-011-9608-y

Catalytic deoxygenation of C18 fatty acids over mesoporous Pd/C catalyst for synthesis of biofuels

Irina Simakova^*
, Bartosz Rozmysłowicz
, Olga Simakova
, Päivi Mäki-Arvela
, Andrey Simakov
, Dmitry Yu Murzin

^*Korresponderande författare för detta arbete

Åbo Akademi

Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review

68 Citeringar (Scopus)

Sammanfattning

Deoxygenation was systematically investigated using either stearic, oleic or linoleic acids as a feedstock at 300 °C under 1 vol% hydrogen in argon over a mesoporous Pd/C (Sibunit) catalyst producing one less carbon containing, diesel-like hydrocarbons. The results revealed that catalyst activity and selectivity increased with less unsaturated feedstock. The main products in the case of stearic acid were desired C17 hydrocarbons, whereas the amounts of C17 aromatic compounds increased in case of oleic and linoleic acids. Catalyst deactivation was relatively prominent in linoleic acid deoxygenation giving only 3% conversion of fatty acids in 330 min. The deactivation originated from the formation of C17 aromatic compounds and fatty acid dimers, which was confirmed by size exclusion chromatographic analysis. The latter compounds were formed via Diels-Alder reaction.

Originalspråk	Engelska
Sidor (från-till)	460-466
Antal sidor	7
Tidskrift	Topics in Catalysis
Volym	54
Nummer	8-9
DOI	https://doi.org/10.1007/s11244-011-9608-y
Status	Publicerad - 2011
MoE-publikationstyp	A1 Tidskriftsartikel-refererad

Finansiering

Acknowledgments This work is part of activities at the Åbo Akademi Process Chemistry Centre of Excellence Programmes (2000–2011) financed by the Academy of Finland. Authors are grateful to Mr. Jarl Hemming performing the size exclusion analysis in Process Chemistry Centre, Åbo Akademi University. The research work was supported in part by RFBR Grants No. 08-03-91758-AF, 10-03-01005-a, 11-03-94001_INIS_a. The work was also partly supported by DGAPA-PAPIIT (UNAM, Mexico) through grant N 224510.

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title = "Catalytic deoxygenation of C18 fatty acids over mesoporous Pd/C catalyst for synthesis of biofuels",

abstract = "Deoxygenation was systematically investigated using either stearic, oleic or linoleic acids as a feedstock at 300 °C under 1 vol\% hydrogen in argon over a mesoporous Pd/C (Sibunit) catalyst producing one less carbon containing, diesel-like hydrocarbons. The results revealed that catalyst activity and selectivity increased with less unsaturated feedstock. The main products in the case of stearic acid were desired C17 hydrocarbons, whereas the amounts of C17 aromatic compounds increased in case of oleic and linoleic acids. Catalyst deactivation was relatively prominent in linoleic acid deoxygenation giving only 3\% conversion of fatty acids in 330 min. The deactivation originated from the formation of C17 aromatic compounds and fatty acid dimers, which was confirmed by size exclusion chromatographic analysis. The latter compounds were formed via Diels-Alder reaction.",

keywords = "Catalytic deoxygenation, Fatty acids, Mesoporous carbon, Pd/C",

author = "Irina Simakova and Bartosz Rozmys{\l}owicz and Olga Simakova and P{\"a}ivi M{\"a}ki-Arvela and Andrey Simakov and Murzin, \{Dmitry Yu\}",

note = "Funding Information: Acknowledgments This work is part of activities at the {\AA}bo Akademi Process Chemistry Centre of Excellence Programmes (2000–2011) financed by the Academy of Finland. Authors are grateful to Mr. Jarl Hemming performing the size exclusion analysis in Process Chemistry Centre, {\AA}bo Akademi University. The research work was supported in part by RFBR Grants No. 08-03-91758-AF, 10-03-01005-a, 11-03-94001\_INIS\_a. The work was also partly supported by DGAPA-PAPIIT (UNAM, Mexico) through grant N 224510. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.",

year = "2011",

doi = "10.1007/s11244-011-9608-y",

language = "English",

volume = "54",

pages = "460--466",

journal = "Topics in Catalysis",

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AU - Simakova, Irina

AU - Rozmysłowicz, Bartosz

AU - Simakova, Olga

AU - Mäki-Arvela, Päivi

AU - Simakov, Andrey

AU - Murzin, Dmitry Yu

N1 - Funding Information: Acknowledgments This work is part of activities at the Åbo Akademi Process Chemistry Centre of Excellence Programmes (2000–2011) financed by the Academy of Finland. Authors are grateful to Mr. Jarl Hemming performing the size exclusion analysis in Process Chemistry Centre, Åbo Akademi University. The research work was supported in part by RFBR Grants No. 08-03-91758-AF, 10-03-01005-a, 11-03-94001_INIS_a. The work was also partly supported by DGAPA-PAPIIT (UNAM, Mexico) through grant N 224510. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.

PY - 2011

Y1 - 2011

N2 - Deoxygenation was systematically investigated using either stearic, oleic or linoleic acids as a feedstock at 300 °C under 1 vol% hydrogen in argon over a mesoporous Pd/C (Sibunit) catalyst producing one less carbon containing, diesel-like hydrocarbons. The results revealed that catalyst activity and selectivity increased with less unsaturated feedstock. The main products in the case of stearic acid were desired C17 hydrocarbons, whereas the amounts of C17 aromatic compounds increased in case of oleic and linoleic acids. Catalyst deactivation was relatively prominent in linoleic acid deoxygenation giving only 3% conversion of fatty acids in 330 min. The deactivation originated from the formation of C17 aromatic compounds and fatty acid dimers, which was confirmed by size exclusion chromatographic analysis. The latter compounds were formed via Diels-Alder reaction.

AB - Deoxygenation was systematically investigated using either stearic, oleic or linoleic acids as a feedstock at 300 °C under 1 vol% hydrogen in argon over a mesoporous Pd/C (Sibunit) catalyst producing one less carbon containing, diesel-like hydrocarbons. The results revealed that catalyst activity and selectivity increased with less unsaturated feedstock. The main products in the case of stearic acid were desired C17 hydrocarbons, whereas the amounts of C17 aromatic compounds increased in case of oleic and linoleic acids. Catalyst deactivation was relatively prominent in linoleic acid deoxygenation giving only 3% conversion of fatty acids in 330 min. The deactivation originated from the formation of C17 aromatic compounds and fatty acid dimers, which was confirmed by size exclusion chromatographic analysis. The latter compounds were formed via Diels-Alder reaction.

KW - Catalytic deoxygenation

KW - Fatty acids

KW - Mesoporous carbon

KW - Pd/C

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Catalytic deoxygenation of C18 fatty acids over mesoporous Pd/C catalyst for synthesis of biofuels

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