April 2011
Volume 53 Number 4
 
Cover
Ion Exchange Reactions, A Review
by C.F. 'Chubb' Michaud, CWS-VI  Pages: 22-27
When you think about water treatment processes that can remove the dissolved salts from feed streams, there are many options.   read more
 
Small Footprint--Big Benefits
by Jim Lauria  Pages: 28-30
The city of Weatherford, Texas had a big challenge on its hands: to nearly double the capacity of its drinking water treatment plant in a 2,700-square-foot space.   read more
 
Evaluation of a New Ion Exchange Drinking Water System
by H. Martin Jessen  Pages: 32-38
This article explores the effectiveness of a new ion exchange technology (see Figure 1) that employs electricity to perform ion exchange, extracting dissolved solids, and producing high-quality drinking water.  read more
 
Features
Point-of-Entry Systems: Examining Water Treatment Options
by Phil Jones  Pages: 44-46
Point of entry (POE) is the term commonly used to define any water treatment system or combination of systems, designed to alleviate water quality issues at the point where water enters a building, prior to distribution to the water heater, kitchen and washrooms.   read more
 
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Columns
Dealer Profile: J&J Pumps--A Family Affair
by Denise M. Roberts  Pages: 40-42 read more
 
Water Matters: Chloramine Reduction and Fountain--Beverage Filtration Systems
by Rick Andrew  Pages: 48-50 read more
 
On Tap: State Budget Cuts and Drinking Water Quality Impacts
by Kelly A. Reynolds, MSPH, Ph.D.  Pages: 52-54 read more
 
Viewpoint: Conference season kicked off in San Antonio  Pages: 6 read more