SCIENCE & TECHNOLOGY
April 9, 2001
Volume 79, Number15
CENEAR 79 15 pp.32-38
ISSN 0010-2347
WATERWORKS
Research accelerates on advanced water-treatment technologies as their use in purification grows
MAIRIN B. BRENNAN, C&EN WASHINGTONConventional water purification is a tried-and-true process that hasn’t changed much in decades: Coagulation and flocculation, sedimentation, sand or gravel filtration, and chlorine disinfection are the customary steps. Wresting fresh water from seawater is also a long-standing technique, especially in oil-rich, water-starved countries where the cost of the energy-intensive process is not an issue. [Read more…] about C&EN: Science & Technology: Waterworks