Althoff's Emma Murphy invents water-purification system

Althoff Catholic High School student Emma Murphy is working to turn contaminated water into clean drinking water with a portable, algae-based filter. Her research gained the attention of the National Catholic Education Association.
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Althoff Catholic High School student Emma Murphy is working to turn contaminated water into clean drinking water with a portable, algae-based filter. Her research gained the attention of the National Catholic Education Association.