How POU Activated Carbon Filters Work

By Henry Nowicki, PhD, Richard Capp, George Nowicki, Wayne Schuliger, Christopher Brunning and Barbara Sherman All activated carbons are not the same and a basic understanding of how activated carbon filters work can help users […]

A Comparison Study of Activated Carbon Blocks for POU/POE Ap...

By Alexey Aksenov, Alexander Mitilineos, Alexander Polyakov, PhD and Joseph L. Shmidt, PhD Activated carbon (AC) cartridges are widely used in POU and POE water purification applications for: • Prefiltration before RO membranes for reducing […]

Lignin Waste Transformed into Coconut-like Activated Carbon

By Henry Nowicki, PhD, Charles Carr and Richard Capp Introduction POU/POE devices with different media provide a drinking water final filter for many different applications. Taste, odor, color and toxic organics are best removed with […]

Activated Carbon Particle Size: Balance Between Kinetics and...

By Robert J. Potwora Activated carbon (AC) is a universal adsorbent. It is used to purify the water we drink, the air we breathe, many of the foods we eat and numerous industrial chemicals that […]

Activated Carbon Principles and Practices for Drinking Water...

By Henry Nowicki, PhDm Wayne Schuliger, George Nowicki and Barbara Sherman Introduction The carbon industry has come a long way in its manufacturing process and understanding of how carbon works. US manufacturing got a big […]

Standards for POU/POE Activated Carbon Systems

By Rick Andrew Many people in the POU/POE industry have heard of NSF/ANSI42 and NSF/ANSI 53. These standards have been around for many years and there are a large number of products certified to them. […]

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 […]

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, […]