The hydrogel film consists of an “interlocking network” of cellulose nanofibers, making it an effective filter that can remove almost 100% of particles larger than 10 nanometers, including bacteria and viruses. Using a syringe, users draw water from a source and inject it into the filter; Here, water passes through nanofibers and becomes clean and drinkable.

The filter is made from readily available natural resources such as plants and is biodegradable after use. Each filter can be reused up to 30 times, making it a sustainable and cost-effective solution for water purification in remote areas where access to clean water sources is limited.

In tests, the filter effectively purified dirty water, river water, and water contaminated with microplastics. Researchers are now working to scale up the technology to purify larger volumes of water.

Source: Ferra

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