01446cam a2200277 7i4500 0000056757 20081115090000.0 081115s1997 eng TD 793 .I5 1997 Industrial processes and waste stream management. Physical treatment technologies INTELECOM Intelligent Communications in association with the Partnership for Environmental Technology Education ; produced and directed by David Weisman ; written by Robert Crowther, David Weisman. Pasadena, Calif.: INTELECOM, 1997. 1 videocassette (29 min.): sd., col.; 1/2 in.. Preserving the legacy Editor, Claudia Hoover ; director of photography, Todd Pike ; music, Alan Weisman. Narrator: Randy Oglesby. Discusses how physical treatment is used to separate and concentrate hazardous elements from waste drain in water purification VHS Water -- Purification -- Filtration Water reuse -- United States Water -- Purification Crowther, Robert Weisman, David INTELECOM Intelligent Telecommunications (Firm) Partnership for Environmental Technology Education 1100052702 Video Bahan Sumber Media BILIK BAHAN SUMBER MEDIA 1100057518 Video Compact Disc Bahan Sumber Media BILIK BAHAN SUMBER MEDIA