Water Conditioning & Purification Magazine

Ion Exchange: The Role of Cross-Linking and Aging

By C.F. ‘Chubb’ Michaud, MWS The role of cross-linking (x-l) The level of DVB (cross-linking) a resin has determines the tightness of the resin. Higher cross-linked resins have lower moisture content, meaning more plastic and […]

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Ion Exchange Resin Synthesis and Reactions

By C.F. ‘Chubb’ Michaud, MWS Making beads Take a fresh egg and break it into a bowl. It’s understandable that the moisture content of a raw egg is over 75 percent. Now hard boil another […]

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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 […]

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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, […]

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Ozone – Why Aren’t You Using It Yet?

By Greg Reyneke, MWS Water is one of the most precious commodities on our planet. It is our job as water quality management experts to make that water cleaner, better and more useful while saving […]

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Ozone in the Residential Sector: A Discussion on Future Opti...

By Marc DeBrum WC&P recently engaged Marc DeBrum in a conversation about ozone technology and its future in residential applications. These are his responses. The use of ozone has typically been associated with larger commercial […]

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A Brief History of Ion Exchange Water Treatment

By Gary Battenberg In 1850, agriculturalist Harry Stephen Meysey Thompson and chemist John Thomas Way observed that when a solution of ammonium sulfate was passed through a specific type of soil, the effluent solution contained […]

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Ion Exchange Reactions: A Review

By C.F. ‘Chubb’ Michaud, CWS-VI Ion exchange is versatile When you think about water treatment processes that can remove the dissolved salts from feed streams, there are many options. Ion exchange, reverse osmosis, distillation or […]

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How Fast Can We Run? Ion Exchange Reaction Zones

By Matthew Wirth Back in 1979 on my first day of physics class, the first problem the professor proposed to the class was this thought- provoking one: “There is a constant rain outside and you […]

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High-Performance Nitrate Removal Ion Exchange System

By Filip Rochette Introduction A major manufacturer has developed an innovative ion exchange system for the removal of nitrate from groundwater sources. These systems have become the leading nitrate removal technology in the United Kingdom, […]

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