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A team of scientists in China has developed a biodegradable foam that reportedly removes 99.9% of microplastics from various water sources, as outlined in a recent study published in Science Advances. The innovative biopolymer, created from cotton cellulose and chitin found in squid bones, forms a fibrous foam that is effective in attracting microplastics due to its unique surface properties.
According to the research, conventional methods for tackling microplastic pollution often utilize expensive or inefficient materials. This new foam's design allows it to maintain high efficiency, achieving between 95.1% and 98.1% effectiveness even after multiple uses. The researchers conducted trials in diverse water sources, including lakes and agricultural irrigation systems, demonstrating the foam's versatility.
Importantly, the foam is also recyclable, reducing concerns about environmental impact while promising a cost-effective solution for large-scale applications. The researchers expressed optimism regarding future utilization of their foam in addressing the global challenge of microplastic pollution, noting its potential for widespread use in water purification efforts.