Water Conditioning & Purification Magazine

The Capacity of Ion Exchange Resin

By C.F. ‘Chubb’ Michaud, MWS Ion exchange 101: defining and measuring capacity Webster’s Dictionary defines capacity simply as “the ability to do something” or “the maximum number that can be contained.” This is a quantitative […]

Read More

The Chemistry of Ion Exchange

By C.F . ‘Chubb’ Michaud, MWS Chemistry 101: elements, compounds, acids, bases, salts and ions All of the chemicals listed in The Periodic Table of the Elements (see Figure 1) are made up of atoms, […]

Read More

Introduction to Membrane Separations

By Greg Reyneke, MWS In the water quality improvement industry, membranes are defined as physical barriers that separate solutions and allow passage of waterborne contaminants within a certain range of size, molecular mass, or even […]

Read More

Water Treatment—An Enigma of Its Own, Part 2

By Peter S. Cartwright, PE In Part 1, I addressed the wild claims and nonsensical science behind PWCs designed for scale control. This article is devoted to other water quality improvement claims of these and […]

Read More

The Art of the Recycle, Part 3: How It’s Done (If It’s D...

By C.F. ‘Chubb’ Michaud, MWS In Parts 1 and 2 of this series, we looked at improving water productivity primarily through the use of reclaimed wastewater and treating it to substitute for new water as […]

Read More

NSF/ANSI Water Cooler Standards

By Rick Andrew There are many different forms, functions and configurations for products generally considered to be water coolers. Many of them heat the water in addition to cooling it or have a dispenser for […]

Read More

Maintaining Water Coolers: Back to the Basics

By Gary Battenberg Introduction Water dispensers and coolers have been commercially available since the 1930s but bottled water has been a thriving business since before America declared its independence. Records of water bottled and sold […]

Read More

Ozone–A Powerful Tool

By Greg Reyneke, MWS The deadly algal blooms in the Great Lakes of the US in the recent past remind us that water is teeming with life and the nutrition to sustain it. Naturally occurring […]

Read More

The Art of the Recycle, Part 1: The Challenge of the ‘Yuck...

By C.F. ‘Chubb’ Michaud, MWS Mother Nature should receive the Nobel Prize in chemistry for developing the most effective and efficient water reclamation and recycling process on the planet. She does this with no emissions […]

Read More

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 […]

Read More

©2019 EIJ Company LLC, All Rights Reserved | tucson website design by Arizona Computer Guru