Why a POU Device?

By Kelly A. Reynolds, MSPH, PhD Water treatment POU devices come in all sorts of shapes and sizes, with a range of capabilities and prices. As a microbiologist with a specialty in waterborne contaminants, I’m […]

Principles of Filtration: How do Filters Filter Anyway?

By Larry Henke *Editor’s Note In memoriam, WC&P International presents one of Larry Henke’s detailed and informative articles on filtration. A founding member of the Technical Review Committee, Henke will be deeply missed. See the […]

New Draft Standard: NSF 419 Public Drinking Water Equipment ...

By Rick Andrew With the new year comes a new draft standard from NSF in the area of water treatment. As of the writing of this column in early December, NSF 419 Public Drinking Water […]

Three Case Studies of Elevated Uranium Concentrations in Gro...

By Stephen Wiman, PhD Introduction The very mention of dissolved uranium in drinking water supplies brings to mind its most infamous use: enrichment for producing nuclear devices. That is particularly true in northern New Mexico […]

Fluid Treatment: Skids and Packages

By Peter S. Cartwright, PE In the fluid treatment industry, a skid is typically a steel pallet modified to support and contain various treatment technology components. This assembly is then called a ‘package.’ Total treatment […]

The Importance of Well Testing in Real Estate Transactions

By Stephen Wiman, PhD Northern New Mexico is an area known for problem water. More than half of one local company’s sales revenues are derived from the diverse, multi-component water treatment arrays it installs and […]

Sustainable Decentralized Water Treatment for Rural and Deve...

By Josh Kearns, MS Synthetic chemical water contaminants: an often overlooked challenge in international sustainable community development Contamination of drinking water sources by harmful synthetic organic compounds (SOCs), such as pesticides, is a major worldwide […]

Reduction of Chloramines in Drinking Water Using Catalytic C...

By Vivekanand Gaur, Ph.D. Introduction Instead of using chlorine, drinking water utilities are gradually switching over to the use of chloramines—in particular, monochloramine—for disinfection of drinking water. Almost any activated carbon in POU devices will […]

Activated Carbon: Modern Advances for an Ancient Technology

By Jeffrey A. Trogolo, PhD Since 1500 BC, when ancient Egyptians and Hindus first filtered water and medicines with activated carbon (AC), it has been used as a filter to remove impurities from water, air, […]

Catalytic Activated Carbons for Dechlorination and Dechloram...

Do they really work and, if so, how? By Gary Hatch, Ph.D. Introduction Chlorine and chlorine compounds Activated charcoal (otherwise referred to as activated carbon) has been known for many years to be a very […]