A bottle can disinfect drinking water by channelling static electricity built up from just 10 minutes of walking – no limited supply of water purification tablets or external power sources required.

A new battery system removes toxic metals from wastewater and generates electricity in the process, offering a low-cost, power-positive alternative to conventional treatment. (Nanowerk Spotlight) ...

Researchers have proposed using polymer membranes modified with copper, zinc, and chromium metal ions for water purification. These polymers were used for the first time in water purification via ...