BOSTON — Aug. 26, 2015 — Xylem Inc. congratulated the winner of the 2015 Stockholm Junior Water Prize, presented at a ceremony during the annual World Water Week celebration, according to a press release.

Perry Alagappan of Houston, Texas, earned the award for his project, “Novel Renewable Filter for Heavy Metal Removal: A Practical Application of Functionalized Multi-Walled Carbon Nanotubes,” noted the release. He created a “filter that removes more than 99 percent of heavy metal contaminants from drinking and industrial wastewater.”

Alagappan won a $15,000 prize, and his school will received $5,000, stated the release. H.R.H. Crown Princess Victoria of Sweden presented the award along with a prize sculpture.

Xylem has sponsored the prize since it began nearly 20 years ago, reported the release.

“As a long-standing supporter of the Stockholm Junior Water Prize, we continue to be inspired by the ingenuity and passion of all these bright students, who bring fresh perspectives to address some of the world’s most daunting water challenges,” said Patrick Decker, Xylem president and CEO. “At Xylem, we are committed to supporting initiatives such as the Stockholm Junior Water Prize that will help advance these innovative ideas to solve global water issues.”

Chile residents Katherine Araya and Katya Urqueta won the Diploma of Excellence for an innovation to improve water use efficiency in agriculture, shared the release. The received a prize of $3,000.

The award is open to students around the world between the ages of 15 and 20, noted the release. The Stockholm International Water Institute administers the honor.

You can find the entire release here.