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d-Glucosamine production from chitosan hydrolyzation over a glucose-derived solid acid catalyst
Hongkui Zhang1, Yuting Lu1, Yuanhao Wang1
1Faculty of Light Industry and Chemical Engineering, Dalian Polytechnic University Dalian 116023 China yuanhaowang@126.com.
RSC Advances
|May 11, 2022
Summary
A novel glucose-based solid acid catalyst (GSA) efficiently converts chitosan to d-glucosamine with a 98.1% yield. This stable catalyst offers a promising alternative to homogeneous catalysts for d-glucosamine production.
Area of Science:
- Catalysis
- Materials Science
- Biomass Conversion
Background:
- Chitosan hydrolysis is crucial for producing valuable compounds like d-glucosamine.
- Homogeneous acid catalysts often pose environmental and separation challenges.
- Development of stable and reusable solid acid catalysts is highly desirable.
Purpose of the Study:
- To synthesize and characterize a glucose-based solid acid catalyst (GSA).
- To investigate the catalytic performance of GSA for d-glucosamine production from chitosan.
- To evaluate the stability and reusability of the GSA catalyst.
Main Methods:
- Hydrothermal carbonization for GSA synthesis.
- Physicochemical characterization using IR, TG, and SEM.
- Catalytic hydrolysis of chitosan under varying reaction conditions.
Main Results:
- GSA catalyst exhibited excellent physicochemical properties.
- Optimal conditions yielded 98.1% d-glucosamine from chitosan hydrolysis.
- The catalyst demonstrated high stability, with no significant deactivation after six cycles.
Conclusions:
- Glucose-based solid acid catalyst is effective for d-glucosamine synthesis.
- The catalyst offers a stable and efficient alternative to homogeneous systems.
- This study provides insights for developing advanced catalysts for biomass-derived chemical production.
