Condensation/hydrogenation of biomass-derived oxygenates in water/oil emulsions stabilized by nanohybrid catalysts

Paula A. Zapata; Jimmy Faria; M. Pilar Ruiz; Daniel E. Resasco

doi:10.1007/s11244-012-9768-4

Condensation/hydrogenation of biomass-derived oxygenates in water/oil emulsions stabilized by nanohybrid catalysts

Paula A. Zapata, Jimmy Faria, M. Pilar Ruiz, Daniel E. Resasco^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

85 Citations (Scopus)

Abstract

The synthesis of fuel-range molecules by condensation of biomass-derived furfural and acetone has been studied in a biphasic emulsion system. Nanohybrids composed of basic oxide nanoparticles fused to carbon nanotubes have been used to simultaneously stabilize water/oil emulsions and catalyze the condensation reaction. Under the same conditions, higher conversions and higher fractions of fuel-range condensation products (C₈-C₁₃) have been obtained in the emulsion compared to those obtained in the single phase. Furthermore, when using metallized nanohybrids these emulsions have been used to hydrogenate the oil-soluble condensation products. Both model compounds and synthetic bio-oil mixtures have been used to demonstrate that catalytic emulsion systems could be effective for upgrading complex mixtures, such as pyrolysis oil.

Original language	English
Pages (from-to)	38-52
Number of pages	15
Journal	Topics in catalysis
Volume	55
Issue number	1-2
DOIs	https://doi.org/10.1007/s11244-012-9768-4
Publication status	Published - 1 Mar 2012
Externally published	Yes

Keywords

Aldol-condensation
Bio-oil
Carbon nanotubes
Emulsion
Hydrogenation
Hydrophobic and hydrophilic catalysts
Nanohybrids
Oxygenates
Pyrolysis oil

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title = "Condensation/hydrogenation of biomass-derived oxygenates in water/oil emulsions stabilized by nanohybrid catalysts",

abstract = "The synthesis of fuel-range molecules by condensation of biomass-derived furfural and acetone has been studied in a biphasic emulsion system. Nanohybrids composed of basic oxide nanoparticles fused to carbon nanotubes have been used to simultaneously stabilize water/oil emulsions and catalyze the condensation reaction. Under the same conditions, higher conversions and higher fractions of fuel-range condensation products (C8-C13) have been obtained in the emulsion compared to those obtained in the single phase. Furthermore, when using metallized nanohybrids these emulsions have been used to hydrogenate the oil-soluble condensation products. Both model compounds and synthetic bio-oil mixtures have been used to demonstrate that catalytic emulsion systems could be effective for upgrading complex mixtures, such as pyrolysis oil.",

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AU - Zapata, Paula A.

AU - Faria, Jimmy

AU - Ruiz, M. Pilar

AU - Resasco, Daniel E.

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KW - Emulsion

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KW - Hydrophobic and hydrophilic catalysts

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