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Combined analytical strategies for chemical and physical characterization of tar from torrefaction of olive stone

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journal contribution
posted on 2023-02-20, 11:25 authored by Anna TrubetskayaAnna Trubetskaya, Robert Johnson, Rory F.D. Monaghan, Andrezza S. Ramos, Anders Brunsvik, Bernd Wittgens, Yinglei Han, Italo PisanoItalo Pisano, JAMES J LEAHYJAMES J LEAHY, Vitaliy L. Budarin
The advance in analytical methodology is critical for progress in 1) biorefinery and 2) torrefaction product commercialization. The chemical characterisation of torrefaction liquid and concentrated tar produced by Arigna Fuels’ pyrolysis plant allowed identification of polar, volatile, non-volatile compounds, species containing organically bound sulphur and nitrogen heteroatoms. The results suggest that only combined use of ion chromatography with Fourier Transform Ion Cyclotron Resonance Mass Spectrometry, and 1 H-13C HS-QC can provide comprehensive information on sugar-like material and lignin-derived compounds. Due to the technical robustness and short analysis time, Fourier Transform Ion Cyclotron Resonance Mass Spectrometer was found to be a promising tool for tar analysis containing heavy molecular compounds. Importantly from a technological standpoint, the presence of aromatic and saturated compounds in both liquid and concentrated tar samples indicated the predominance of lignin-derived compounds over products originating from cellulose and hemicellulose polymers.

Funding

SFI

Horizon 2020

ERC

Sustainable Energy and Fuel Efficiency Spoke

Science Foundation Ireland

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Biofuels Research Infrastructure for Sharing Knowledge II

European Commission

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History

Publication

Fuel;291, 120086

Publisher

Elsevier

Note

peer-reviewed

Other Funding information

SFI, Horizon 2020, ERC

Language

English

Department or School

  • Chemical Sciences

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