By Josh Kearns, MS Synthetic chemical water contaminants: an often overlooked challenge in international sustainable community development Contamination of drinking…
Browsing: 2012
by Mark T. Unger The first performance standard for water softeners was the Water Conditioning Foundation’s (WCF) S-100 Standard. The…
By Vivekanand Gaur, Ph.D. Introduction Instead of using chlorine, drinking water utilities are gradually switching over to the use of…
by By Michael Kim, CWS-I Background In the early 1980s, RO membranes had a typical salt rejection of 96 percent…
By Peter S. Cartwright, P.E. The membrane technology of reverse osmosis has been around for many years now and is…