By Emma H. Peterson Kevin Shen has been in the water treatment industry since 1994. In 1997, he started to…
Browsing: Filtration
By Rick Andrew Nitrosamines are a class of chemicals that can be formed in drinking water as a result of…
By Greg Reyneke, MWS In the water quality improvement industry, membranes are defined as physical barriers that separate solutions and…
By Peter S. Cartwright, PE In Part 1, I addressed the wild claims and nonsensical science behind PWCs designed for…
By Greg Reyneke, MWS Membrane separation is finally reaching a level of general acceptance as the powerful tool that it…
By Alan Murphy Introduction In reverse osmosis and nanofiltration membrane separation processes, membranes act as barriers against the normal hydrodynamic…
By Peter S. Cartwright, PE Introduction Water. Along with air, it is one of the two most critical components for…
By John Meland Background The San Diego Freeway (I-405) in southern California is one of the most congested freeways in…
By Denise M. Roberts Expedition Adventure & Survival Training LLC (E|A|S|T LLC) Boca Raton, FL 33442 Tel: (561) 409-3953 www.eco-expeditions.com…
By Rick Andrew In January, this column introduced a new draft standard from NSF in the area of water treatment.…