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Journal Article

Catalysis Meets Nonthermal Separation for the Production of (Alkyl)phenols and Hydrocarbons from Pyrolysis Oil

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Cao,  Z.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Engelhardt,  Jan
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Dierks,  Michael
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Clough,  Matthew T.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Wang,  Guanghui
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Rinaldi,  Roberto
Department of Chemical Engineering, South Kensington Campus, Imperial College London, London, UK;
Research Group Rinaldi, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schüth,  Ferdi
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Cao, Z., Engelhardt, J., Dierks, M., Clough, M. T., Wang, G., Heracleous, E., et al. (2017). Catalysis Meets Nonthermal Separation for the Production of (Alkyl)phenols and Hydrocarbons from Pyrolysis Oil. Angewandte Chemie International Edition, 56(9), 2334-2339. doi:10.1002/anie.201610405.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-4986-F
Abstract
A simple and efficient hydrodeoxygenation strategy is described to selectively generate and separate high-value alkylphenols from pyrolysis bio-oil, produced directly from lignocellulosic biomass. The overall process is efficient and only requires low pressures of hydrogen gas (5 bar). Initially, an investigation using model compounds indicates that MoCx/C is a promising catalyst for targeted hydrodeoxygenation, enabling selective retention of the desired Ar−OH substituents. By applying this procedure to pyrolysis bio-oil, the primary products (phenol/4-alkylphenols and hydrocarbons) are easily separable from each other by short-path column chromatography, serving as potential valuable feedstocks for industry. The strategy requires no prior fractionation of the lignocellulosic biomass, no further synthetic steps, and no input of additional (e.g., petrochemical) platform molecules.