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Related Experiment Video

Updated: Jan 16, 2026

A Novel Method for the Pentosan Analysis Present in Jute Biomass and Its Conversion into Sugar Monomers Using Acidic Ionic Liquid
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Efficient biomass valorization using silica supported imidazolium based ionic liquid catalysts.

Shalini Arora1, Sitanshu2, Gaurav Katoch3

  • 1Department of Chemistry, University School of Research, Rayat Bahra University, Mohali, Pb, India.

Scientific Reports
|September 25, 2025
PubMed
Summary

This study developed recyclable, silica-supported acidic ionic liquid catalysts for converting lignocellulosic biomass into valuable chemicals like 5-hydroxymethylfurfural (5-HMF) and furfural. High yields were achieved under mild conditions, demonstrating a sustainable biomass valorization method.

Keywords:
CelluloseHemicelluloseIonic LiquidsPlatform ChemicalsSilica-supported imidazolium-based catalystsValorization

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Area of Science:

  • Green Chemistry
  • Biomass Conversion
  • Catalysis

Background:

  • Lignocellulosic biomass (LCB) presents a sustainable feedstock for chemical production.
  • Efficient conversion of LCB into platform chemicals like 5-hydroxymethylfurfural (5-HMF) and furfural is crucial.
  • Fossil-based resources face environmental and sustainability challenges.

Purpose of the Study:

  • To design and apply recyclable, silica-supported imidazolium-based acidic ionic liquid heterogeneous catalysts.
  • To convert cellulose and hemicellulose from real biomass sources into valuable chemicals.
  • To optimize catalytic performance and assess catalyst recyclability.

Main Methods:

  • Synthesis and characterization of silica-supported acidic ionic liquid catalysts (FTIR, XRD, TGA, BET).
  • Quantification of catalyst Brønsted acidity.
  • Optimization of reaction parameters (catalyst loading, time, temperature).
  • Conversion of cellulose and hemicellulose from wheat straw, rice husk, and bagasse.

Main Results:

  • High yields of 5-HMF (91%) and furfural (86%) achieved under mild conditions (80-120 °C).
  • Catalysts demonstrated excellent recyclability over five cycles with no significant activity loss.
  • Efficient conversion of real biomass feedstocks was confirmed.

Conclusions:

  • Developed efficient and recyclable heterogeneous catalysts for biomass valorization.
  • Achieved high yields of key platform chemicals, offering a sustainable alternative.
  • The approach is scalable and environmentally benign, with potential for industrial application.