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Updated: Feb 7, 2026
10:37
A Rapid Synthesis Method for Au, Pd, and Pt Aerogels Via Direct Solution-Based Reduction
Published on: June 18, 2018
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Polysaccharide-Based Aerogel Bead Production via Jet Cutting Method.
Imke Preibisch1, Philipp Niemeyer2, Yusuf Yusufoglu3
1Institute of Thermal Separation Processes, Hamburg University of Technology, 21073 Hamburg, Germany. imke.preibisch@tuhh.de.
Materials (Basel, Switzerland)
|July 26, 2018
Summary
Researchers developed a scalable jet cutting method for producing biopolymer aerogel particles. These novel aerogel particles demonstrate excellent humidity absorption capabilities, making them suitable for applications in drying units.
Area of Science:
- Materials Science
- Chemical Engineering
- Nanotechnology
Background:
- Aerogels possess unique properties like high surface area and low density.
- Biopolymer-based aerogels offer sustainable and tunable material characteristics.
- Scalable production methods are crucial for the industrial application of aerogels.
Purpose of the Study:
- To develop a scalable method for producing spherical biopolymer-based aerogel particles.
- To investigate the potential of these aerogel particles as humidity absorbers.
Main Methods:
- Utilized jet cutting for particle production using amidated pectin, sodium alginate, and chitosan.
- Employed internal setting and diffusion methods for gelation.
- Performed solvent exchange to ethanol followed by supercritical CO₂ drying.
Main Results:
- Successfully produced spherical aerogel particles with sizes ranging from 400 to 1500 µm.
- Achieved a specific surface area of approximately 500 m²/g.
- Demonstrated stable humidity absorption capacity of around 20 wt.% over multiple cycles.
Conclusions:
- The jet cutting method is suitable for producing biopolymer aerogel particles, with potential for shape optimization.
- The synthesized aerogel particles exhibit promising performance as humidity absorbers for drying applications.
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