December 2002
Volume 44 Number 12
 
Cover
Disinfection By-Product Reduction Using On-Site Generated Mixed Oxidants in Groundwater Treatment
by Beth Hamm
Passage of the USEPA D/DBP Rule is driving utilities -- large and small -- to look for methods to reduce disinfection by-product formation...  read more
 
Features
Chemical Feed: The Trouble with Polymers
by Greg Kriebel
Coagulants and flocculants are just two types of chemicals that may be used in water treatment to help remove unwanted contaminants. Don't forget polymers...  read more
 
Modern Centrifugal Pumps: Trying to Solve the Mystery
by Bill McNally
Use of pumps in water treatment applications seems like a rather mundane process. Upon review, though, this decision shouldn't be taken lightly as almost all designs have some maintenance issues.  read more
 
Membrane Separation on the Maple Syrup Farm: Getting Sappy Over the Results
by Yvon Pellerin
What does reverse osmosis have to do with maple syrup? You'd be surprised. Here's just another example of how RO has infiltrated all types of applications with effective results.  read more
 
The Hard Facts on the Microbiological Aspects of a Softener Study
by Francesca Casabela, Mario Colombino, Tiziana Polizzi and Colin Fricker
The discussion of water softeners and how they should be standardized has become a hot-button issue in the past year in the United States and Europe regarding heterotrophic bacteria...  read more
 
Web Exclusive
Columns
Viewpoint: Betty Ford, Mysticism and Livin’ in the Old West read more
 
Livin’ It Up Down Under: Continental Water Systems of Sydney, Australia read more
 
World Spotlight: Water Scarcity & Population Boom Offset High Prices in Asian Desalination Market read more
 
An Evolving Concept with ECI’s John Borger read more
 
ANSI/NSF Standards 42 and 53 Test Waters: Water is Water, Isn’t It? read more
 
Emerging Issues: Suspected Viral Pathogens of the Future read more
 
Website of the Month: Reading the Web at a Genius Level -- A Middle East Site Features Water read more