Acetic Acid Formation by Selective Aerobic Oxidation of Aqueous Ethanol over Heterogeneous Ruthenium Catalysts

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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@article{92a00cc3093f4c76835527553ee1a1bb,
title = "Acetic Acid Formation by Selective Aerobic Oxidation of Aqueous Ethanol over Heterogeneous Ruthenium Catalysts",
keywords = "Ethanol, Acetic acid, Oxidation, Heterogeneous catalysis, Ruthenium hydroxide catalysts",
publisher = "american chemical society",
author = "Yury Gorbanev and Søren Kegnæs and Hanning, {Christopher William} and Hansen, {Thomas Willum} and Anders Riisager",
year = "2012",
doi = "10.1021/cs200554h",
volume = "2",
number = "4",
pages = "604--612",
journal = "A C S Catalysis",
issn = "2155-5435",

}

RIS

TY - JOUR

T1 - Acetic Acid Formation by Selective Aerobic Oxidation of Aqueous Ethanol over Heterogeneous Ruthenium Catalysts

A1 - Gorbanev,Yury

A1 - Kegnæs,Søren

A1 - Hanning,Christopher William

A1 - Hansen,Thomas Willum

A1 - Riisager,Anders

AU - Gorbanev,Yury

AU - Kegnæs,Søren

AU - Hanning,Christopher William

AU - Hansen,Thomas Willum

AU - Riisager,Anders

PB - american chemical society

PY - 2012

Y1 - 2012

N2 - Heterogeneous catalyst systems comprising ruthenium hydroxide supported on different carrier materials, titania, alumina, ceria, and spinel (MgAl2O4), were applied in selective aerobic oxidation ethanol to form acetic acid, an important bulk chemical and food ingredient. The catalysts were characterized by X-ray powder diffraction (XRPD), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), and nitrogen physisorption and utilized in the oxidation of 2.5–50 wt % aqueous ethanol solutions at elevated temperatures and pressures. The effects of Ru metal loading, pretreatment of catalysts, oxidant pressure, reaction temperature, and substrate concentration were investigated. Quantitative yield of acetic acid was obtained with 1.2 wt % Ru(OH)x/CeO2 under optimized conditions (150 °C, 10 bar O2, 12 h of reaction time, 0.23 mol % Ru to substrate).

AB - Heterogeneous catalyst systems comprising ruthenium hydroxide supported on different carrier materials, titania, alumina, ceria, and spinel (MgAl2O4), were applied in selective aerobic oxidation ethanol to form acetic acid, an important bulk chemical and food ingredient. The catalysts were characterized by X-ray powder diffraction (XRPD), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), and nitrogen physisorption and utilized in the oxidation of 2.5–50 wt % aqueous ethanol solutions at elevated temperatures and pressures. The effects of Ru metal loading, pretreatment of catalysts, oxidant pressure, reaction temperature, and substrate concentration were investigated. Quantitative yield of acetic acid was obtained with 1.2 wt % Ru(OH)x/CeO2 under optimized conditions (150 °C, 10 bar O2, 12 h of reaction time, 0.23 mol % Ru to substrate).

KW - Ethanol

KW - Acetic acid

KW - Oxidation

KW - Heterogeneous catalysis

KW - Ruthenium hydroxide catalysts

U2 - 10.1021/cs200554h

DO - 10.1021/cs200554h

JO - A C S Catalysis

JF - A C S Catalysis

SN - 2155-5435

IS - 4

VL - 2

SP - 604

EP - 612

ER -