2023
DOI: 10.1002/ceat.202200512
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Solid‐Phase Extraction of the Aromatic By‐Products Obtained by Fast Pyrolysis of Pretreated Lignocellulose

Abstract: Pyrolysis is a recognized technology for lignocellulose conversion into bio‐based fuels, materials, and chemicals. In this work, pyrolysis liquids were obtained by fast pyrolysis of wood after pretreatment with diluted sulfuric acid. The pyrolysis liquids were separated by solid‐phase extraction with an anion exchange resin Lewatit VPOC 1074 as the stationary phase. The aromatic constituents of the pyrolysis liquids were adsorbed on the resin, while the sugar derivative fraction was eluted with water. Differen… Show more

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“…Recent fast pyrolysis research focuses more towards the use of residual, as-of-yet non-valorized biomasses (e.g. agricultural residues) which typically have higher ash contents compared to clean wood-based feedstock, hence the importance of prior demineralization with either mineral [22][23][24][25][26][27] or organic acids [28][29][30]. According to Rodríguez-Machín et al the effect of hydrolysis promoted by the acids during the leaching process on the thermal degradation behavior appears to be dominant over any suppression or passivation of the catalytic effect of AAEMs.…”
Section: Introductionmentioning
confidence: 99%
“…Recent fast pyrolysis research focuses more towards the use of residual, as-of-yet non-valorized biomasses (e.g. agricultural residues) which typically have higher ash contents compared to clean wood-based feedstock, hence the importance of prior demineralization with either mineral [22][23][24][25][26][27] or organic acids [28][29][30]. According to Rodríguez-Machín et al the effect of hydrolysis promoted by the acids during the leaching process on the thermal degradation behavior appears to be dominant over any suppression or passivation of the catalytic effect of AAEMs.…”
Section: Introductionmentioning
confidence: 99%