November 2008
Volume 50 Number 11
 
Cover
Reverse Osmosis --Opportunities and Challenges
by Dr. Mo Mukiibi
Reverse osmosis (RO) was developed in the 1950s as a technique, initially governmentally funded, for desalting seawater. Over the years, RO has evolved in terms of scale of versatility, applications, reduced cost and increased efficiency.   read more
 
Features
Minimizing Risk of Cryptosporidiosis with On-Site Generated Mixed Oxidant Disinfections
by Susan B. Rivera
Cryptosporidiosis is a diarrheal disease caused by microscopic parasites of the genus Cryptosporidium. Once an animal or person is infected, the parasite lives in the intestine and passes as an oocyst in the stool.   read more
 
Sphagnum Moss, Bacterial Biofilm and Water Quality
by David R. Knighton and Vance D. Fiegel
Most bacteria thrive in an aqueous environment. A natural balance between bacteria and other living organisms exists in water, just as it does in our bodies.  read more
 
The 'Need to Know' for Accurate Water Testing
by Joe Sweazy
Gone are the days of the flash test when a pool operator would walk by the pool and drop a couple of drops of Orthotolidene (OTO) onto the surface looking for the yellow indication that there was chlorine in the pool.  read more
 
Electrolytic Bromine: A Green Biocide for Cooling Towers
by Timothy Keister
Due to purchase and operating economics, wet cooling towers are the technology of choice for commercial and industrial cooling systems as water is the best material for both transfer of heat and evaporative cooling.  read more
 
More International Than Ever
by Marieke Leenhouts
Aquatech Amsterdam 2008 was more international than ever before, as it attracted close to 19,000 visitors from 133 countries.   read more
 
History Revealed
by Denise M. Roberts
Many industry members may have missed the WC&P/WQA History Wall at WQA Aquatech 2008 in Las Vegas, NV.   read more
 
Web Exclusive
Columns
How to Succeed by Trying Harder at Water Pro, Inc.
by Denise M. Roberts read more
 
Change--The Ultimate Professional Challenge
by Donald A. Mounce read more
 
TDS Reduction Testing of POU Reverse Osmosis Systems
by Rick Andrew read more
 
New Clues in Understanding Biofilm Formation
by Kelly A. Reynolds, MSPH, Ph.D. read more
 
Viewpoint: Just like in the movies read more