Activated Carbon: Modern Advances for an Ancient Technology

June 24, 2011 by dstadtler

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…

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Ion Exchange Reactions: A Review

April 21, 2011 by dstadtler

By C.F. ‘Chubb’ Michaud, CWS-VI Ion exchange is versatile [caption id="attachment_1845" align="alignleft" width="212"] Fig 1. The water analysis[/caption] When you think about water treatment processes…

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Catalytic Activated Carbons for Dechlorination and Dechloramination

March 24, 2011 by dstadtler

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)…

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Softened Water Benefits Study: New Reports Related to Detergent and More Energy Savings

March 8, 2011 by dstadtler

by Pauli Undesser, CWS-VI The Water Quality Research Foundation (WQRF) released two new reports in February that, in combination with WQRF’s 2009 Study on Benefits…

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How Fast Can We Run? Ion Exchange Reaction Zones

February 21, 2011 by dstadtler

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-…

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Softening Alternatives

January 8, 2011 by dstadtler

by C.F. 'Chubb' Michaud Hardness defined The perception of soft water by commercial/industrial users goes well beyond simply preventing scale. Water that contains divalent calcium…

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