By Peter S. Cartwright, P.E. The membrane technology of reverse osmosis has been around for many years now and is…
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general water info, regulation info, new technologies
By Jeffrey A. Trogolo, PhD Since 1500 BC, when ancient Egyptians and Hindus first filtered water and medicines with activated…
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…
By Pauli Undesser, CWS-VI The Water Quality Research Foundation (WQRF) released two new reports in February that, in combination with…
By Matthew Wirth Back in 1979 on my first day of physics class, the first problem the professor proposed to…
Ascent Product Co. of Downey, Calif., has introduced a new product this fall—the easy load water cooler. Utilizing U.S. patented…
By Filip Rochette Introduction A major manufacturer has developed an innovative ion exchange system for the removal of nitrate from…
By Peter S. Cartwright, P.E., CWS-VI Introduction The crossflow pressure-driven membrane technologies of microfiltration (MF), ultrafiltration (UF), nanofiltration (NF) and…
By Karen R. Smith Despite raging wild fires across seven California counties, members of the Pacific Water Quality Association convened…