By Gary Battenberg In 1850, agriculturalist Harry Stephen Meysey Thompson and chemist John Thomas Way observed that when a solution…
Browsing: Water
general water info, regulation info, new technologies
by Tanya Lubner, PhD Reverse osmosis technology finds numerous applications at the point of use as a final-barrier treatment for…
By Josh Kearns, MS Synthetic chemical water contaminants: an often overlooked challenge in international sustainable community development Contamination of drinking…
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…
Since 1500 BC, when ancient Egyptians and Hindus first filtered water and medicines with activated carbon (AC), it has been…
By C.F. ‘Chubb’ Michaud, CWS-VI Ion exchange is versatile When you think about water treatment processes that can remove the…
Do they really work and, if so, how? By Gary Hatch, Ph.D. Introduction Chlorine and chlorine compounds Activated charcoal (otherwise…