Larry Henke – WC&P Online

Principles of Filtration: How do Filters Filter Anyway?

February 10, 2015 by nickhd

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…

Ozone and Emerging Contaminants

August 18, 2009 by Marty Zager

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…

An Overview of Arsenic Treatment Concerns and Applications for Small and Very Small Systems

December 21, 2008 by Marty Zager

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…

The East Asian Arsenic Crisis Revisited

July 15, 2005 by Marty Zager

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…

Principles of Filtration: How do Filters Filter Anyway?

March 14, 2002 by dstadtler

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…

Dissolved Metals: Properties and Ramifications—A Primer for Dealers

November 15, 2000 by Marty Zager

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…

Predicting Pressure Losses through Softeners and Filters

April 15, 2000 by Marty Zager

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…

Can Water Softener Cause Blue Stains? – Solving Blue-Green Water

January 16, 2000 by dstadtler

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…