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Study shows plasma-treated carbon nanotubes are ideal for water purification

 A study paves the way for the next generation of portable water purification devices, which could provide relief to the 780 million people around the world who face every day without access to a clean water supply.

An international team of researchers - led by Associate Professor Hui Ying Yang from Singapore University of Technology and Design - showed that water purification membranes enhanced by plasma-treated carbon nanotubes are ideal for removing contaminants and brine from water.

The team included Dr Zhaojun Han and Professor Kostya (Ken) Ostrikov from CSIRO's world-leading Plasma Nanoscience Laboratories.

According to Dr Han, these membranes could be integrated into portable water purification devices the size of a tea pot that would be rechargeable, inexpensive and more effective than many existing filtration methods. Contaminated water would go in one end, and clean drinkable water would come out the other.

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