The influence of acidity of carbon nanofibre-supported palladium catalysts in the hydrogenolysis of hydroxymatairesinol

Heidi Markus; Arie J. Plomp; Päivi Mäki-Arvela; Johannes H. Bitter; Dmitry Yu. Murzin

doi:10.1007/s10562-007-9020-1

The influence of acidity of carbon nanofibre-supported palladium catalysts in the hydrogenolysis of hydroxymatairesinol

Heidi Markus, Arie J. Plomp, Päivi Mäki-Arvela, Johannes H. Bitter, Dmitry Yu. Murzin^*

^*Tämän työn vastaava kirjoittaja

Tutkimustuotos: Lehtiartikkeli › Artikkeli › Tieteellinen › vertaisarvioitu

23 Sitaatiot (Scopus)

Abstrakti

The lignan hydroxymatairesinol (HMR, extracted from Norway spruce knots) was hydrogenolysed to matairesinol (MAT) over palladium supported by carbon nanofibres (Pd/CNF) in 2-propanol at 70 °C under hydrogen flow. The influence of support acidity on the activity and the selectivity to MAT was studied. The acidity of the Pd/CNF catalyst was varied by heat-treatment at different temperatures in nitrogen flow. The catalysts were characterized by transmission electron microscopy (TEM), inductively coupled plasma emission mass-spectrometry (ICP-MS, metal content), H₂-chemisorption (dispersion, metal particle size), and titration using NaOH. A more acidic support material was more active and selective to the desired product MAT. The major byproduct was 7-iso-propoxymatairesinol resulting from a reaction of the solvent with HMR over the acid sites on the support. The hydrogenolysis of HMR to MAT requires both the presence of metal and acidity.

Alkuperäiskieli	Englanti
Sivut	141-146
Sivumäärä	6
Julkaisu	Catalysis Letters
Vuosikerta	113
Numero	3-4
DOI - pysyväislinkit	https://doi.org/10.1007/s10562-007-9020-1
Tila	Julkaistu - helmik. 2007
OKM-julkaisutyyppi	A1 Julkaistu artikkeli, soviteltu

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title = "The influence of acidity of carbon nanofibre-supported palladium catalysts in the hydrogenolysis of hydroxymatairesinol",

abstract = "The lignan hydroxymatairesinol (HMR, extracted from Norway spruce knots) was hydrogenolysed to matairesinol (MAT) over palladium supported by carbon nanofibres (Pd/CNF) in 2-propanol at 70 °C under hydrogen flow. The influence of support acidity on the activity and the selectivity to MAT was studied. The acidity of the Pd/CNF catalyst was varied by heat-treatment at different temperatures in nitrogen flow. The catalysts were characterized by transmission electron microscopy (TEM), inductively coupled plasma emission mass-spectrometry (ICP-MS, metal content), H2-chemisorption (dispersion, metal particle size), and titration using NaOH. A more acidic support material was more active and selective to the desired product MAT. The major byproduct was 7-iso-propoxymatairesinol resulting from a reaction of the solvent with HMR over the acid sites on the support. The hydrogenolysis of HMR to MAT requires both the presence of metal and acidity.",

keywords = "Acidity, Carbon nanofibres, Hydrogenolysis, Palladium",

author = "Heidi Markus and Plomp, {Arie J.} and P{\"a}ivi M{\"a}ki-Arvela and Bitter, {Johannes H.} and Murzin, {Dmitry Yu.}",

note = "Funding Information: This work is part of the activities at the {\AA}bo Akademi Process Chemistry Centre within the Finnish Centre of Excellence Programme (2000–2011) by the Academy of Finland. Financial support from the Raisio Group Research Foundation and European Union through the Sixth Framework Programme (Project 506621–1) are gratefully acknowledged. The authors express their gratitude to Mr. Christer Eckerman for the HMR preparation. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

year = "2007",

month = feb,

doi = "10.1007/s10562-007-9020-1",

language = "English",

volume = "113",

pages = "141--146",

journal = "Catalysis Letters",

issn = "1011-372X",

publisher = "Springer",

number = "3-4",

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TY - JOUR

T1 - The influence of acidity of carbon nanofibre-supported palladium catalysts in the hydrogenolysis of hydroxymatairesinol

AU - Markus, Heidi

AU - Plomp, Arie J.

AU - Mäki-Arvela, Päivi

AU - Bitter, Johannes H.

AU - Murzin, Dmitry Yu.

N1 - Funding Information: This work is part of the activities at the Åbo Akademi Process Chemistry Centre within the Finnish Centre of Excellence Programme (2000–2011) by the Academy of Finland. Financial support from the Raisio Group Research Foundation and European Union through the Sixth Framework Programme (Project 506621–1) are gratefully acknowledged. The authors express their gratitude to Mr. Christer Eckerman for the HMR preparation. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2007/2

Y1 - 2007/2

N2 - The lignan hydroxymatairesinol (HMR, extracted from Norway spruce knots) was hydrogenolysed to matairesinol (MAT) over palladium supported by carbon nanofibres (Pd/CNF) in 2-propanol at 70 °C under hydrogen flow. The influence of support acidity on the activity and the selectivity to MAT was studied. The acidity of the Pd/CNF catalyst was varied by heat-treatment at different temperatures in nitrogen flow. The catalysts were characterized by transmission electron microscopy (TEM), inductively coupled plasma emission mass-spectrometry (ICP-MS, metal content), H2-chemisorption (dispersion, metal particle size), and titration using NaOH. A more acidic support material was more active and selective to the desired product MAT. The major byproduct was 7-iso-propoxymatairesinol resulting from a reaction of the solvent with HMR over the acid sites on the support. The hydrogenolysis of HMR to MAT requires both the presence of metal and acidity.

AB - The lignan hydroxymatairesinol (HMR, extracted from Norway spruce knots) was hydrogenolysed to matairesinol (MAT) over palladium supported by carbon nanofibres (Pd/CNF) in 2-propanol at 70 °C under hydrogen flow. The influence of support acidity on the activity and the selectivity to MAT was studied. The acidity of the Pd/CNF catalyst was varied by heat-treatment at different temperatures in nitrogen flow. The catalysts were characterized by transmission electron microscopy (TEM), inductively coupled plasma emission mass-spectrometry (ICP-MS, metal content), H2-chemisorption (dispersion, metal particle size), and titration using NaOH. A more acidic support material was more active and selective to the desired product MAT. The major byproduct was 7-iso-propoxymatairesinol resulting from a reaction of the solvent with HMR over the acid sites on the support. The hydrogenolysis of HMR to MAT requires both the presence of metal and acidity.

KW - Acidity

KW - Carbon nanofibres

KW - Hydrogenolysis

KW - Palladium

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U2 - 10.1007/s10562-007-9020-1

DO - 10.1007/s10562-007-9020-1

M3 - Article

AN - SCOPUS:33947602193

SN - 1011-372X

VL - 113

SP - 141

EP - 146

JO - Catalysis Letters

JF - Catalysis Letters

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ER -

The influence of acidity of carbon nanofibre-supported palladium catalysts in the hydrogenolysis of hydroxymatairesinol

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