New Technology Could Help Clean Up Water In The Us And The Developing World
The Minnesota Pollution Control Agency recently purchased machinery to remove concentrations of hazardous substances known as PFAS. The high-tech system works by injecting outdoor air into contaminated water, turning PFAS into foam that can be separated from the water. It’s one of a growing number of devices that are helping make water safer. “Less than one percent of the Earth’s surface area is actually freshwater,” Prakash Govindan, co-founder of Gradiant, a company that makes water purification technology, told Lifewire in an email interview....