Researchers at Sweden's Chalmers University of Technology have come up with a new way to purify contaminated water using cellulose-based materials. This breakthrough could have a significant impact in areas where water treatment technologies are inadequate, and help address the widespread issue of t
Researchers at Chalmers University of Technology, Sweden, have developed a new biobased material, a form of powder based on cellulose nanocrystals to purify water from pollutants, including textile dyes. When the polluted water passes through the filter with cellulose powder, the pollutants are absorbed, and the sunlight entering the treatment system causes them to break down quickly and efficiently.
“We have taken a unique holistic approach to these cellulose nanocrystals, examining their properties and potential applications. We have now created a biobased material, a form of cellulose powder with excellent purification properties that we can adapt and modify depending on the types of pollutants to be removed,” says Gunnar Westman.Industrial & Engineering Chemistry Research
The treatment requires neither pressure nor heat and uses sunlight to catalyze the process. Gunnar Westman likens the method to pouring raspberry juice into a glass with grains of rice, which soak up the juice to make the water transparent again.
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