Tag: "hybrid clay"

  • Papaya-Clay Combo Could Cut Water Purification Costs in Developing Countries

    Emmanuel Unuabonah and colleagues explain that almost 1 billion people in developing countries lack access to reliable supplies of clean water for drinking, cooking and other key uses. One health problem resulting from that shortage involves exposure to heavy metals such as lead, cadmium and mercury, released from industrial sources into the water. Technology exists…