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November 12, 2025Nordic Pulp & Paper Research Journal

Effect of sulfonation pretreatment on the extraction of hemicellulose from poplar wood

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Authors

TLTiantian LiWLWenguang LiPLPenghui Li

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Overview

Sulfation method enhances hemicellulose recovery and cellulose retention from poplar, suggesting economic viability.

Key Points

  • Hemicellulose extraction achieved 69.01% removal rate with cellulose retention at 95.79%.
  • Sulfation using sodium sulfite and KOH led to high molecular weight hemicellulose at 92,058 g/mol.
  • Optimized sulfonation conditions included Na2SO3 dosage of 19.77% and treatment at 147.15°C.
  • Process supports sustainable biomass refining by enhancing the economic viability of bio-based materials.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/692523d4c0ce034ddc355432https://doi.org/10.1515/npprj-2025-0047
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