id author title date pages extension mime words sentence flesch summary cache txt news-001272 Notre Dame’s Paul Bohn helps define water purification research agenda | News | Notre Dame News | University of Notre Dame .html text/html 573 20 38 Notre Dame’s Paul Bohn helps define water purification research agenda | Bohn noted that conventional methods of water purification are often chemically complex and intensive, requiring a high degree of engineering expertise, well-developed infrastructure and significant capital, which makes them impractical for the developing world. cache/news-001272.html txt/news-001272.txt