Water Conditioning & Purification Magazine

New Test Methods for the Activated Carbon Industry

By Mick Greenbank, Ph.D., Henry Nowicki, Ph.D., Homer Yute and Barbara Sherman Summary: During the last 10 years, many activated carbon (AC) suppliers and users have been confronted with new challenges for their AC applications. […]

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pH & Carbon, Part 2 of 2: Causes of pH Changes through ...

By Mick Greenbank, Ph.D., Henry G. Nowicki, Ph.D., and Barbara Sherman Summary: A change in water’s pH indicates a shift in the balance between acids and bases and is usually caused by an addition of […]

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WQA Expands the Arsenic Issues

By Henry Nowicki, Ph.D., and Barbara Sherman Our goal in this article is to be a messenger for some of the “new facts and ideas” about the arsenic problem in drinking water supplies presented at […]

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Respiratory Protection in Drinking Water Plants

By Henry G. Nowicki, Ph.D., and Barbara Sherman Summary: OSHA’s most cited health and safety violation in water utilities is poor respiratory protection. This article discusses how the issue applies to drinking water applications and […]

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Filtration: Changes in the Activated Carbon Industry

By Henry Nowicki, Ph.D., Mick Greenbank, Ph.D., and Barbara Sherman Summary: In the last two decades, the price of activated carbon (AC) has fallen 75 percent. Many lower cost varieties have sufficient quality to be […]

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