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Catalysis Science & Technology Vol - 4 Issue - 7

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Transformations of polyols to organic acids and hydrogen in aqueous alkaline media

Content Provider	Royal Society of Chemistry (RSC)
Author	Bitter, J. H. Haasterecht, T. van Jong, K. P. de Deelen, T. W. van
Copyright Year	2014
Abstract	In this paper we show that carbon nanofiber supported copper and nickel nanoparticles can selectively transform ethylene glycol and glycerol into value added oxygenates (organic acids) under anaerobic aqueous conditions. During aqueous phase oxidation Cu based catalysts showed a nearly quantitative yield (96% selectivity at 82% conversion) of glycolic acid from ethylene glycol. The reaction was carried out under alkaline conditions at relatively mild temperatures (150–180 °C) and produced H2 as co-product. The high selectivity towards glycolic acid was independent of the temperature. For glycerol oxidation a high selectivity (67% at full conversion) towards lactic acid was observed using Cu with competitive formation of glyceric acid, 1,2-propanediol tartronic acid and formation of H2 as co-product. The activity of Ni was comparable to that of Cu but it was less selective for the formation of desired oxygenates, glycolic acid (31%) and lactic acid (24%), due to the formation of formic acid.
Starting Page	2353
Ending Page	2366
Page Count	14
File Format	HTM / HTML PDF
ISSN	20444753
Volume Number	4
Issue Number	8
Journal	Catalysis Science & Technology
DOI	10.1039/c4cy00249k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Carbon nanofiber Ethylene glycol Cu Acid Glycerol Nickel Copper Fermentation
Content Type	Text
Resource Type	Article
Subject	Catalysis

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Carbodeoxygenation of Biomass: The Carbonylation of Glycerol and Higher Polyols to Monocarboxylic Acids

Nanostructured PtRu Catalyst for Oxidation of Ethylene Glycol and Glycerol in Alkaline Media

Electrospun Polyacrylonitrile/Lignin/Poly(Ethylene Glycol)-Based Porous Activated Carbon Nanofiber for Removal of Nickel(II) Ion from Aqueous Solution

Microwave-promoted N-arylation of imidazole and amino acids in the presence of Cu$_{2}$O and CuO in poly(ethylene glycol)

Promotional effect of hydroxyl on the aqueous phase oxidation of carbon monoxide and glycerol over supported Au catalysts

Homogeneous Reforming of Aqueous Ethylene Glycol to Glycolic Acid and Pure Hydrogen Catalyzed by Pincer‐Ruthenium Complexes Capable of Metal‐Ligand Cooperation

An Insight into the Separation of 1,2-Propanediol, Ethylene Glycol, Acetol and Glycerol from an Aqueous Solution by Adsorption on Activated Carbon

Microwave-promoted N-arylation of imidazole and amino acids in the presence of Cu2O and CuO in poly(ethylene glycol)

Aqueous-phase reforming of glycerol using Ni–Cu catalysts prepared from hydrotalcite-like precursors

Transformations of polyols to organic acids and hydrogen in aqueous alkaline media

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Electrospun Polyacrylonitrile/Lignin/Poly(Ethylene Glycol)-Based Porous Activated Carbon Nanofiber for Removal of Nickel(II) Ion from Aqueous Solution

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Transformations of polyols to organic acids and hydrogen in aqueous alkaline media