Aerobic Oxidation of 5-(Hydroxymethyl)furfural in Ionic Liquids with Solid Ruthenium Hydroxide Catalysts

Tim Johannes Bjarki Ståhlberg, Ester Eyjolfsdottir, Yury Gorbanev, Irantzu Sádaba, Anders Riisager

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The aerobic oxidation of 5-(hydroxymethyl)furfural was investigated over solid ruthenium hydroxide catalysts in ionic liquids at elevated temperatures and pressures. Several different catalyst supports were tested in combination with various ionic liquids. The best result was obtained in [EMIm][OAc] at 100 °C with 30 bar of oxygen over Ru(OH) x /La2O3 which afforded 48 % of 2,5-furandicarboxylic acid and 12 % of 5-hydroxymethyl-2-furancarboxylic acid. During use the catalysts were found to leach some of the metal inventory. However, the leached Ru species did not contribute to the catalytic activity, thus verifying that the catalytic oxidation proceeded heterogeneously under the applied reaction conditions.

Original languageEnglish
JournalCatalysis Letters
Volume142
Issue number9
Pages (from-to)1089-1097
ISSN1011-372X
DOIs
Publication statusPublished - 2012

Keywords

  • Oxidation
  • Supported ruthenium hydroxide
  • 5-(Hydroxymethyl) furfural
  • 2,5-Furandicarboxylic acid
  • Ionic liquids

Cite this

Ståhlberg, Tim Johannes Bjarki ; Eyjolfsdottir, Ester ; Gorbanev, Yury ; Sádaba, Irantzu ; Riisager, Anders. / Aerobic Oxidation of 5-(Hydroxymethyl)furfural in Ionic Liquids with Solid Ruthenium Hydroxide Catalysts. In: Catalysis Letters. 2012 ; Vol. 142, No. 9. pp. 1089-1097.
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abstract = "The aerobic oxidation of 5-(hydroxymethyl)furfural was investigated over solid ruthenium hydroxide catalysts in ionic liquids at elevated temperatures and pressures. Several different catalyst supports were tested in combination with various ionic liquids. The best result was obtained in [EMIm][OAc] at 100 °C with 30 bar of oxygen over Ru(OH) x /La2O3 which afforded 48 {\%} of 2,5-furandicarboxylic acid and 12 {\%} of 5-hydroxymethyl-2-furancarboxylic acid. During use the catalysts were found to leach some of the metal inventory. However, the leached Ru species did not contribute to the catalytic activity, thus verifying that the catalytic oxidation proceeded heterogeneously under the applied reaction conditions.",
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Aerobic Oxidation of 5-(Hydroxymethyl)furfural in Ionic Liquids with Solid Ruthenium Hydroxide Catalysts. / Ståhlberg, Tim Johannes Bjarki; Eyjolfsdottir, Ester; Gorbanev, Yury; Sádaba, Irantzu; Riisager, Anders.

In: Catalysis Letters, Vol. 142, No. 9, 2012, p. 1089-1097.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Aerobic Oxidation of 5-(Hydroxymethyl)furfural in Ionic Liquids with Solid Ruthenium Hydroxide Catalysts

AU - Ståhlberg, Tim Johannes Bjarki

AU - Eyjolfsdottir, Ester

AU - Gorbanev, Yury

AU - Sádaba, Irantzu

AU - Riisager, Anders

PY - 2012

Y1 - 2012

N2 - The aerobic oxidation of 5-(hydroxymethyl)furfural was investigated over solid ruthenium hydroxide catalysts in ionic liquids at elevated temperatures and pressures. Several different catalyst supports were tested in combination with various ionic liquids. The best result was obtained in [EMIm][OAc] at 100 °C with 30 bar of oxygen over Ru(OH) x /La2O3 which afforded 48 % of 2,5-furandicarboxylic acid and 12 % of 5-hydroxymethyl-2-furancarboxylic acid. During use the catalysts were found to leach some of the metal inventory. However, the leached Ru species did not contribute to the catalytic activity, thus verifying that the catalytic oxidation proceeded heterogeneously under the applied reaction conditions.

AB - The aerobic oxidation of 5-(hydroxymethyl)furfural was investigated over solid ruthenium hydroxide catalysts in ionic liquids at elevated temperatures and pressures. Several different catalyst supports were tested in combination with various ionic liquids. The best result was obtained in [EMIm][OAc] at 100 °C with 30 bar of oxygen over Ru(OH) x /La2O3 which afforded 48 % of 2,5-furandicarboxylic acid and 12 % of 5-hydroxymethyl-2-furancarboxylic acid. During use the catalysts were found to leach some of the metal inventory. However, the leached Ru species did not contribute to the catalytic activity, thus verifying that the catalytic oxidation proceeded heterogeneously under the applied reaction conditions.

KW - Oxidation

KW - Supported ruthenium hydroxide

KW - 5-(Hydroxymethyl) furfural

KW - 2,5-Furandicarboxylic acid

KW - Ionic liquids

U2 - 10.1007/s10562-012-0858-5

DO - 10.1007/s10562-012-0858-5

M3 - Journal article

VL - 142

SP - 1089

EP - 1097

JO - Catalysis Letters

JF - Catalysis Letters

SN - 1011-372X

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ER -