By Greg Reyneke, MWS In the water quality improvement industry, membranes are defined as physical barriers that separate solutions and…
Browsing: Filtration
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 Michael Neiheiser Editor’s Note: In view of the increased need for ensuring water quality, this article by Michael Neiheiser…
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 H2O International, Inc.’s Iván Molina Castrillón is a multifaceted, multitalented man with a zest for learning,…
In January, this column introduced a new draft standard from NSF in the area of water treatment. When the column…
Numerous articles have been and continue to be written about the current methods for removing arsenic from drinking water. It…