Scientists have developed an effective and energy-efficient technique for purifying water by using graphitic carbon nitride sheets. Their prototype purified pathogen-rich water in 30 minutes, killing over 99.9999 percent of bacteria, such as E. coli, meeting China’s requirements for clean drinking water.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2019/02/190207111317.htm
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