Water Conditioning & Purification Magazine

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 […]

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Ozone and Emerging Contaminants

By Lawrence Henke Future research will need to look at the effect of ozone in standardized conditions that would be possible in a water or wastewater treatment facility. It may be necessary to address increasingly […]

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An Overview of Arsenic Treatment Concerns and Applications f...

By Larry Henke Arsenic continues to be one of the most extensive environmental poisonous chemical elements throughout the world. It is found at high concentrations in Taiwan, China, Argentina, Chili, Mexico, parts of Europe, in […]

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The East Asian Arsenic Crisis Revisited

By Larry Henke In September 1997, I wrote in these pages of the emerging crisis of arsenic contamination in East Asia. At the time, India was considered the focus and it was only suggested that […]

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Principles of Filtration: How do Filters Filter Anyway?

By Larry Henke Summary: Filtration has long been an important technique in water treatment. It’s used to remove iron deposits from water, to clear up waters turbid from silt, inorganic sediments and biological materials, both […]

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Dissolved Metals: Properties and Ramifications—A Primer fo...

By Larry Henke Summary: One thing will always be true—water is the universal solvent. And understanding the concept of metals dissolution in water is key to not only a broader understanding of corrosion but the […]

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Predicting Pressure Losses through Softeners and Filters

By Larry Henke Summary: Water treatment system pressure losses are important to building engineers, water treatment designers and the customers that have to live with them. They can result in slower flows and/or unexpected changes […]

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Solving Blue-Green Water

By Larry Henke Summary: A common frustration for water conditioning dealers is that of blue/green staining. Although usually caused by corrosion of water pipe and fixtures, its remedies are complex and often elusive. But remedies […]

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