A team of researchers from Wuhan University has developed a self-assembled supramolecular biomass foam filter , with the ability to remove microplastics, with a high efficiency rate.
A foam filter was made with innovative materials
The new filter is made up of sheets of chitin nanofibers and cellulose fibers , linked by hydrogen bonds. This prototype allows the adsorption of plastic particles in aquatic places, is recyclable and resistant to different environmental conditions. During tests, it managed to remove up to 99.9% of microplastics in water samples, maintaining its effectiveness after multiple uses.
This filter is easy to manufacture , uses sustainable raw materials and is scalable. Computational simulations have shown that its adsorption mechanism integrates intermolecular interactions, electrostatic attraction and physical capture of microplastics, from 100-nanometer microspheres to 3-micron particles.
The innovation presented promotes solutions to these environmental problems, while offering a viable path to large-scale remediation. By integrating sustainability, efficiency and practicality, this foam filter represents a major step in the fight against global microplastic pollution .
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Source and photo: Phys.org
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